class TestClientServer(unittest.TestCase):
def setUp(self):
# modbus server
self.server = ModbusServer(port=5020, no_block=True)
self.server.start()
# modbus client
self.client = ModbusClient(port=5020)
self.client.open()
def tearDown(self):
self.client.close()
def test_read_and_write(self):
# word space
self.assertEqual(self.client.read_holding_registers(0), [0],
'Default value is 0 when server start')
self.assertEqual(self.client.read_input_registers(0), [0],
'Default value is 0 when server start')
# single read/write
self.assertEqual(self.client.write_single_register(0, 0xffff), True)
self.assertEqual(self.client.read_input_registers(0), [0xffff])
# multi-write at max size
words_l = [randint(0, 0xffff)] * 0x7b
self.assertEqual(self.client.write_multiple_registers(0, words_l),
True)
self.assertEqual(self.client.read_holding_registers(0, len(words_l)),
words_l)
self.assertEqual(self.client.read_input_registers(0, len(words_l)),
words_l)
# write over sized
words_l = [randint(0, 0xffff)] * 0x7c
self.assertEqual(self.client.write_multiple_registers(0, words_l),
None)
# bit space
self.assertEqual(self.client.read_coils(0), [False],
'Default value is False when server start')
self.assertEqual(self.client.read_discrete_inputs(0), [False],
'Default value is False when server start')
# single read/write
self.assertEqual(self.client.write_single_coil(0, True), True)
self.assertEqual(self.client.read_coils(0), [True])
self.assertEqual(self.client.read_discrete_inputs(0), [True])
# multi-write at min size
bits_l = [getrandbits(1)] * 0x1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)),
bits_l)
# multi-write at max size
bits_l = [getrandbits(1)] * 0x7b0
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)),
bits_l)
# multi-write over sized
bits_l = [getrandbits(1)] * 0x7b1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), None)
class TestClientServer(unittest.TestCase):
def setUp(self):
# modbus server
self.server = ModbusServer(port=5020, no_block=True)
self.server.start()
# modbus client
self.client = ModbusClient(port=5020)
self.client.open()
def tearDown(self):
self.client.close()
def test_read_and_write(self):
# word space
self.assertEqual(self.client.read_holding_registers(0), [0], 'Default value is 0 when server start')
self.assertEqual(self.client.read_input_registers(0), [0], 'Default value is 0 when server start')
# single read/write
self.assertEqual(self.client.write_single_register(0, 0xffff), True)
self.assertEqual(self.client.read_input_registers(0), [0xffff])
# multi-write at max size
words_l = [randint(0, 0xffff)] * 0x7b
self.assertEqual(self.client.write_multiple_registers(0, words_l), True)
self.assertEqual(self.client.read_holding_registers(0, len(words_l)), words_l)
self.assertEqual(self.client.read_input_registers(0, len(words_l)), words_l)
# write over sized
words_l = [randint(0, 0xffff)] * 0x7c
self.assertEqual(self.client.write_multiple_registers(0, words_l), None)
# bit space
self.assertEqual(self.client.read_coils(0), [False], 'Default value is False when server start')
self.assertEqual(self.client.read_discrete_inputs(0), [False], 'Default value is False when server start')
# single read/write
self.assertEqual(self.client.write_single_coil(0, True), True)
self.assertEqual(self.client.read_coils(0), [True])
self.assertEqual(self.client.read_discrete_inputs(0), [True])
# multi-write at min size
bits_l = [getrandbits(1)] * 0x1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)), bits_l)
# multi-write at max size
bits_l = [getrandbits(1)] * 0x7b0
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)), bits_l)
# multi-write over sized
bits_l = [getrandbits(1)] * 0x7b1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), None)
def read_all_tags(self):
try:
c = ModbusClient(host="192.168.2.11", port=502, debug=False)
c.open()
for name, tag in self.tag_db.items():
mb0 = tag['modbus_start'] -1
mb1 = tag['modbus_stop'] -1
size = 1+mb1-mb0
#print(name, mb0, mb1, size)
#print(tag)
if 0 <= mb0 < 100000:
val = c.read_coils(mb0)[0]
elif 100000 <= mb0 < 200000:
val = c.read_discrete_inputs(mb0-100000)[0]
elif 300000 <= mb0 < 400000:
val = c.read_input_registers(mb0-300000, size)
if size == 1: val = val[0]
elif size == 2:
val = utils.word_list_to_long(val, big_endian=False)[0]
elif 400000 <= mb0 < 500000:
val = c.read_holding_registers(mb0-400000, size )
if size == 1: val = val[0]
elif size == 2:
val = utils.word_list_to_long(val, big_endian=False)[0]
if tag['dtype'] == 'float32':
val = utils.decode_ieee(val)
#print(name, val)
self.settings[name] = val
except Exception as err:
print("Error in read_all_tags", err)
c.close()
def read_valid_registers(target_ip, port, reg):
result = False
print(f'\n=====Polling remote server for {reg}:=====')
for i in range(start_reg, end_reg):
client = ModbusClient(host=target_ip,
port=port,
auto_open=True,
auto_close=True,
timeout=10)
if reg == "hold":
data = client.read_holding_registers(i, 1)
if reg == "input":
data = client.read_input_registers(i, 1)
if reg == "discrete":
data = client.read_discrete_inputs(i, 1)
if reg == "coil":
data = client.read_coils(i, 1)
if data:
result = True
print(f'\nValid Registers {reg} detected at {i} with value {data}')
client.close()
print('/', end='')
sleep(0.1)
# return valid_list,data_list,permission_list
if result != True:
print(f'\n No Valid Registers detected in specified range')
def read(ip):
# Initialize modbus
c = ModbusClient(host=ip, port=502, auto_open=True, timeout=0.1)
# Read the outputs (Returns None if timeout)
return(c.read_coils(16, 6))
class Pebl:
def __init__(self, ip, system, port=502):
self.c = ModbusClient(host=ip, port=502, auto_open=True)
self.c.host(ip)
self.c.port(port)
self.c.open()
self.system = system
print("opened")
def run(self):
return_values = []
data_points = csv_json_alarms(self.system)
for data_point in data_points:
print(data_point)
if data_point['type'] == 'COIL':
value = self.c.read_coils(int(data_point['address']))
print(value)
name = data_point['alarm']
return_values.append({'name': name, 'value': value})
f = open('data.json', 'w')
f.write(json.dumps(return_values))
f.close()
def run_manual(self):
return_values = []
data_points = csv_json_alarms(self.system)
for data_point in data_points:
print(data_point)
if data_point['type'] == 'COIL':
value = self.c.read_coils(int(data_point['address']))
name = data_point['alarm']
if data_point['trigger'] == 'NC':
if not value[0]:
return_values.append({'name': name, 'value': 'OK'})
else:
return_values.append({'name': name, 'value': 'ALARM'})
elif data_point['trigger'] == 'NO':
if value[0]:
return_values.append({'name': name, 'value': 'ALARM'})
else:
return_values.append({'name': name, 'value': 'OK'})
return return_values
def connect_nexus_machine(self):
c = ModbusClient()
c.host("192.168.0.147")
c.port(502)
c.open()
input_register = c.read_coils(0, 16)
while True:
if input_register:
self.lineEditIP.setText(str(input_register))
else:
print("read error")
time.sleep(5)
def read_valid_registers(ip_addr,port,reg):
valid_list=[]
data_list=[]
permission_list=[]
client=ModbusClient(host=ip_addr,port=port,auto_open=True,auto_close=True,timeout=10)
for i in tqdm(range(1,500)):
if reg == "hold":
data=client.read_holding_registers(i,1)
if reg == "input":
data=client.read_input_registers(i,1)
if reg == "discrete":
data=client.read_discrete_inputs(i,1)
if reg == "coil":
data=client.read_coils(i,1)
if data:
valid_list.append(i)
data_list.append(data[0])
permission_list.append("Read")
client.close()
return valid_list,data_list,permission_list
def monitor_register(target_ip, port, address, delay, reg):
while True:
client = ModbusClient(host=target_ip,
port=port,
auto_open=True,
auto_close=True,
timeout=1)
if reg == "Holding":
data = client.read_holding_registers(address, 1)
if reg == "Input":
data = client.read_input_registers(address, 1)
if reg == "Discrete":
data = client.read_discrete_inputs(address, 1)
if reg == "Coil":
data = client.read_coils(address, 1)
if data:
print(f'{reg} register at address {address} has value {data}')
#print ('.', end='')
client.close()
sleep(delay)
def write_single_coil(target_ip, port, target_reg, value):
client = ModbusClient(host=target_ip,
port=port,
auto_open=True,
auto_close=True,
timeout=10)
result = client.write_single_coil(int(target_reg),
int(value)) # Writing to coil
client.close()
sleep(0.1)
client = ModbusClient(host=target_ip,
port=port,
auto_open=True,
auto_close=True,
timeout=10)
data = client.read_coils(int(target_reg), 1) # Reading the coil state
if result == True:
print(f'Write to coil {target_reg} successful! \nCurrent value:{data}')
else:
print('Write operation failed')
client.close()
def get(self, uid):
try:
# Get alert details from database by ip
try:
alert_document = self.DB['devices_aggregated'].find_one(
{'device._id': ObjectId(uid)})
if alert_document == None:
return ({'found': False})
alert_document['found'] = True
except:
return ({'found': False})
ip = alert_document['device']['ip']
c = ModbusClient(host=ip, port=502, auto_open=True, timeout=1)
try:
bits = c.read_coils(16, 6)
alert_document["online"] = True
alert_document["all_clear"] = bits[0]
alert_document["emergency"] = bits[1]
alert_document["lightning"] = bits[2]
alert_document["a"] = bits[3]
alert_document["b"] = bits[4]
alert_document["c"] = bits[5]
except:
alert_document["online"] = False
alert_document["all_clear"] = False
alert_document["emergency"] = False
alert_document["lightning"] = False
alert_document["a"] = False
alert_document["b"] = False
alert_document["c"] = False
return (jsonify(json.loads(dumps(alert_document))))
except:
return (Response('{"success": false}',
status=500,
mimetype='application/json'))
def pollModbus(
ip: str
) -> list:
'''
Get output states via modbus over IP
'''
# Setup modbus connection
try:
c = ModbusClient(host=ip, port=502, auto_open=True, timeout=1)
except:
c = False
if c:
# Read Modbus outputs
bits = c.read_coils(16, 6)
else:
bits = False
# If there is a response
if bits:
# Set output states
return([bits[0], bits[1], bits[2], bits[3], bits[4], bits[5]])
else:
return([])
# TCP auto connect on first modbus request
#c = ModbusClient(host="localhost", port=502, auto_open=True)
# TCP auto connect on modbus request, close after it
#c = ModbusClient(host="127.0.0.1", auto_open=True, auto_close=True)
c = ModbusClient()
c.host("192.168.58.10")
c.port(502)
# managing TCP sessions with call to c.open()/c.close()
c.open()
# to debug the communication
#c.debug(True)
inputRegD = c.read_discrete_inputs(0, 16)
coil = c.read_coils(0, 16)
read_holding = c.read_holding_registers(0, 2)
inputReg = c.read_input_registers(0, 2)
while True:
if inputRegD:
#print(regs)
#print(type(regs))
#print(type(coil))
x = inputRegD[5]
print("Read Input: " + str(inputRegD))
print("Read Coils: " + str(coil))
print("Holding Register: " + str(read_holding))
print("Read Input Register: " + str(inputReg))
else:
import time
SERVER_HOST = "192.168.181.76"
SERVER_PORT = 502
c = ModbusClient()
# uncomment this line to see debug message
#c.debug(True)
# define modbus server host, port
c.host(SERVER_HOST)
c.port(SERVER_PORT)
while True:
# open or reconnect TCP to server
if not c.is_open():
if not c.open():
print("unable to connect to "+SERVER_HOST+":"+str(SERVER_PORT))
# if open() is ok, read coils (modbus function 0x01)
if c.is_open():
# read 10 bits at address 0, store result in regs list
bits = c.read_coils(43, 14)
# if success display registers
if bits:
print("bit ad #43 to 56: "+str(bits))
# sleep 2s before next polling
time.sleep(2)
class AmpSwitch(object):
def __init__(self, host, port=502, switches=(), debug=False):
""" """
self.host = host
self.port = port
self.debug = debug
self.switches = switches
self.dev = None
self.connect()
def __str__(self):
return "AmpSwitch(host=%s, port=%s, dev=%s>" % (self.host,
self.port,
self.dev)
def setDebug(self, state):
self.debug = state
self.connect()
def close(self):
if self.dev is not None:
self.dev.close()
self.dev = None
def connect(self):
""" (re-) establish a connection to the device. """
if self.dev is None:
self.dev = ModbusClient()
self.dev.debug(self.debug)
self.dev.host(self.host)
self.dev.port(self.port)
if self.dev.is_open():
return True
ret = self.dev.open()
if not ret:
raise RuntimeError("failed to connect to %s:%s" % (self.host,
self.port))
return True
def readCoils(self):
""" Return the state of all our switches. """
self.connect()
regs = self.dev.read_coils(0, 16)
return regs
def setCoils(self, on=(), off=()):
"""Turn on and off a given set of switches.
Argunents
---------
on, off : list-like, or a single integer.
Notes:
------
The off set is executed first. . There is a command to change
all switchees at once, but I have not made it work yet.
"""
self.connect()
if isinstance(on, int):
on = on,
if isinstance(off, int):
off = off,
regs0 = self.readCoils()
regs1 = regs0[:]
for c in off:
ret = self.dev.write_single_coil(c, False)
regs1[c] = False
for c in on:
ret = self.dev.write_single_coil(c, True)
regs1[c] = True
# ret = self.dev.write_multiple_registers(0, regs1)
ret = self.readCoils()
return ret
def chooseCoil(self, n):
return self.setCoils(on=n, off=list(range(16)))
def get_points(conn, devices):
for device in devices:
try:
cur = conn.cursor()
#Get IP Address and port from database
cur.execute("SELECT ip, port FROM device WHERE devID = ?",
(device, ))
request = cur.fetchone()
ip = request[0]
port = request[1]
client = ModbusClient()
client.host(ip)
client.port(port)
client_connected = True
if (client.is_open() == False):
if (client.open() == False):
print("Unable to connect to " + ip + ":" + str(port))
client_connected = False
if (client_connected == True):
cur.execute(
"SELECT name, address, type, pointID, mult_factor FROM device_points WHERE devID = ? AND deleted = 0",
(device, ))
rows = cur.fetchall()
for row in rows:
if (row[2] == "dig_in"):
req = client.read_discrete_inputs(int(row[1]), 1)
datetime_str = datetime.now().strftime(
"%Y-%m-%d %H:%M:%S.%f")
point_ID = row[3]
value = req[0] * row[4]
print(datetime_str + " | " + str(point_ID) + " | " +
str(value))
cur.execute("INSERT INTO point_data VALUES (?, ?, ?)",
(datetime_str, point_ID, value))
#print("Value for point " + row[0] + ": " + str(req) + datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
if (row[2] == "dig_out"):
req = client.read_coils(int(row[1]), 1)
datetime_str = datetime.now().strftime(
"%Y-%m-%d %H:%M:%S.%f")
point_ID = row[3]
value = req[0] * row[4]
error_code = 0
print(datetime_str + " | " + str(point_ID) + " | " +
str(value))
cur.execute("INSERT INTO point_data VALUES (?, ?, ?)",
(datetime_str, point_ID, value))
#print("Value for point " + row[0] + ": " + str(req) + datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
if (row[2] == "an_in"):
req = client.read_input_registers(int(row[1]), 1)
datetime_str = datetime.now().strftime(
"%Y-%m-%d %H:%M:%S.%f")
point_ID = row[3]
value = req[0] * row[4]
error_code = 0
print(datetime_str + " | " + str(point_ID) + " | " +
str(value))
cur.execute("INSERT INTO point_data VALUES (?, ?, ?)",
(datetime_str, point_ID, value))
#print("Value for point " + row[0] + ": " + str(req) + datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
if (row[2] == "an_out"):
req = client.read_holding_registers(int(row[1]), 1)
datetime_str = datetime.now().strftime(
"%Y-%m-%d %H:%M:%S.%f")
point_ID = row[3]
value = req[0] * row[4]
error_code = 0
print(datetime_str + " | " + str(point_ID) + " | " +
str(value))
cur.execute("INSERT INTO point_data VALUES (?, ?, ?)",
(datetime_str, point_ID, value))
#print("Value for point " + row[0] + ": " + str(req) + datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f"))
print("\n")
conn.commit()
cur.close()
client.close()
except Error as e:
print(e)
conn.close()
database = "./database/SCADADB.db"
conn = create_connection(database)
class ET7000:
ranges = {
0x00: {
'min': -0.015,
'max': 0.015,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x01: {
'min': -0.05,
'max': 0.05,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x02: {
'min': -0.1,
'max': 0.1,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x03: {
'min': -0.5,
'max': 0.5,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x04: {
'min': -1.,
'max': 1.,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x05: {
'min': -2.5,
'max': 2.5,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x06: {
'min': -20.0e-3,
'max': 20.0e-3,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'A'
},
0x07: {
'units': 'A',
'min': 4.0e-3,
'min_code': 0x0000,
'max_code': 0xffff,
'max': 20.0e-3
},
0x08: {
'units': 'V',
'min': -10.,
'max': 10.,
'min_code': 0x8000,
'max_code': 0x7fff,
},
0x09: {
'units': 'V',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -5.,
'max': 5.
},
0x0A: {
'units': 'V',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -1.,
'max': 1.
},
0x0B: {
'units': 'V',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -.5,
'max': .5
},
0x0C: {
'units': 'V',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -.15,
'max': .15
},
0x0D: {
'min': -20.0e-3,
'max': 20.0e-3,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'A'
},
0x0E: {
'units': 'degC',
'min_code': 0xdca2,
'max_code': 0x7fff,
'min': -210.0,
'max': 760.0
},
0x0F: {
'units': 'degC',
'min_code': 0xe6d0,
'max_code': 0x7fff,
'min': -270.0,
'max': 1372.0
},
0x10: {
'units': 'degC',
'min_code': 0xa99a,
'max_code': 0x7fff,
'min': -270.0,
'max': 400.0
},
0x11: {
'units': 'degC',
'min_code': 0xdd71,
'max_code': 0x7fff,
'min': -270.0,
'max': 1000.0
},
0x12: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 1768.0
},
0x13: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 1768.0
},
0x14: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 1820.0
},
0x15: {
'units': 'degC',
'min_code': 0xe56b,
'max_code': 0x7fff,
'min': -270.0,
'max': 1300.0
},
0x16: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 2320.0
},
0x17: {
'units': 'degC',
'min_code': 0xe000,
'max_code': 0x7fff,
'min': -200.0,
'max': 800.0
},
0x18: {
'units': 'degC',
'min_code': 0x8000,
'max_code': 0x4000,
'min': -200.0,
'max': 100.0
},
0x19: {
'units': 'degC',
'min_code': 0xe38e,
'max_code': 0xffff,
'min': -200.0,
'max': 900.0
},
0x1A: {
'min': 0.0,
'max': 20.0e-3,
'min_code': 0x0000,
'max_code': 0xffff,
'units': 'A'
},
0x20: {
'units': 'degC',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -100.0,
'max': 100.0
},
0x21: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 100.0
},
0x22: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 200.0
},
0x23: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 600.0
},
0x24: {
'units': 'degC',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -100.0,
'max': 100.0
},
0x25: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 100.0
},
0x26: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 200.0
},
0x27: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 600.0
},
0x28: {
'units': 'degC',
'min_code': 0x999a,
'max_code': 0x7fff,
'min': -80.0,
'max': 100.0
},
0x29: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 100.0
},
0x2A: {
'units': 'degC',
'min_code': 0xd556,
'max_code': 0x7fff,
'min': -200.0,
'max': 600.0
},
0x2B: {
'units': 'degC',
'min_code': 0xeeef,
'max_code': 0x7fff,
'min': -20.0,
'max': 150.0
},
0x2C: {
'units': 'degC',
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 200.0
},
0x2D: {
'units': 'degC',
'min_code': 0xeeef,
'max_code': 0x7fff,
'min': -20.0,
'max': 150.0
},
0x2E: {
'units': 'degC',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -200.0,
'max': 200.0
},
0x2F: {
'units': 'degC',
'min_code': 0x8000,
'max_code': 0x7fff,
'min': -200.0,
'max': 200.0
},
0x80: {
'units': 'degC',
'min_code': 0xd556,
'max_code': 0x7fff,
'min': -200.0,
'max': 600.0
},
0x81: {
'units': 'degC',
'min_code': 0xd556,
'max_code': 0x7fff,
'min': -200.0,
'max': 600.0
},
0x82: {
'units': 'degC',
'min_code': 0xd556,
'max_code': 0x7fff,
'min': -50.0,
'max': 150.0
},
0x83: {
'min_code': 0xd556,
'max_code': 0x7fff,
'units': 'degC',
'min': -60.0,
'max': 180.0
},
0x30: {
'min_code': 0x0000,
'max_code': 0xffff,
'min': 0.0,
'max': 20.0e-3,
'units': 'A'
},
0x31: {
'min_code': 0x0000,
'max_code': 0xffff,
'min': 4.0e-3,
'max': 20.0e-3,
'units': 'A'
},
0x32: {
'min_code': 0x0000,
'max_code': 0x7fff,
'min': 0.0,
'max': 10.0,
'units': 'V'
},
0x33: {
'min': -10.0,
'max': 10.0,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0x34: {
'min': 0.0,
'max': 5.0,
'min_code': 0x0000,
'max_code': 0x7fff,
'units': 'V'
},
0x35: {
'min': -5.0,
'max': 5.0,
'min_code': 0x8000,
'max_code': 0x7fff,
'units': 'V'
},
0xff: {
'min': 0,
'max': 0xffff,
'min_code': 0x0000,
'max_code': 0xffff,
'units': '?'
}
}
devices = {0x7015: {}, 0x7016: {}, 0x7018: {}, 0x7060: {}, 0x7026: {}}
@staticmethod
def range(r):
if r in ET7000.ranges:
return (ET7000.ranges[r])
return ET7000.ranges[0xff]
# default conversion from quanta to real units
@staticmethod
def convert(b, amin, amax):
b = float(b)
# обрабатывается 2 случая - минимум нулевой или больше 0
if amin >= 0 and amax > 0:
return amin + (amax - amin) * b / 0xffff
# и минимум и максимум разного знака
if amin < 0 and amax > 0:
range = max(-amin, amax)
if b <= 0x7fff:
return range * b / 0x7fff
else:
return range * (0x8000 - b) / 0x8000
# в других случаях ошибка
return float('nan')
@staticmethod
def ai_convert_function(r):
v_min = 0
v_max = 0xffff
c_min = 0
c_max = 0xffff
try:
v_min = ET7000.ranges[r]['min']
v_max = ET7000.ranges[r]['max']
c_min = ET7000.ranges[r]['min_code']
c_max = ET7000.ranges[r]['max_code']
except:
pass
if c_min < c_max:
k = (v_max - v_min) / (c_max - c_min)
b = v_min - k * c_min
return lambda x: k * x + b
k_max = v_max / c_max
k_min = v_min / (0x10000 - c_min)
#return lambda x: (x < 0x8000) * k_max * x + (x >= 0x8000) * k_min * (0x10000 - x)
return lambda x: k_max * x if x < 0x8000 else k_min * (0x10000 - x)
@staticmethod
def ao_convert_function(r):
v_min = 0
v_max = 0xffff
c_min = 0
c_max = 0xffff
try:
v_min = ET7000.ranges[r]['min']
v_max = ET7000.ranges[r]['max']
c_min = ET7000.ranges[r]['min_code']
c_max = ET7000.ranges[r]['max_code']
except:
pass
#print(hex(r), v_min, v_max, c_min, c_max)
if c_min < c_max:
k = (c_max - c_min) / (v_max - v_min)
b = c_min - k * v_min
return lambda x: int(k * x + b)
k_max = c_max / v_max
k_min = (0xffff - c_min) / v_min
#return lambda x: int((x >= 0) * k_max * x + (x < 0) * (0xffff - k_min * x))
return lambda x: int(k_max * x) if (x >= 0) else int(0xffff - k_min * x
)
@staticmethod
def convert_to_raw(v, amin, amax):
v = float(v)
# обрабатывается 2 случая - минимум нулевой или больше 0
if amin >= 0 and amax > 0:
return int((v - amin) / (amax - amin) * 0xffff)
# и минимум и максимум разного знака
if amin < 0 and amax > 0:
if v >= 0.0:
return int(v * 0x7fff / amax)
else:
return int(0x8000 - v / amax * 0x7fff)
# в других случаях ошибка
return 0
def __init__(self, host, port=502, timeout=0.15, logger=None):
self.host = host
self.port = port
# logger confid
if logger is None:
logger = logging.getLogger(__name__)
self.logger = logger
# default device type
self._name = 0
self.type = '0000'
# default ai
self.AI_n = 0
self.AI_masks = []
self.AI_ranges = []
self.AI_min = []
self.AI_max = []
self.AI_units = []
self.AI_raw = []
self.AI_values = []
# default ao
self.AO_n = 0
self.AO_masks = []
self.AO_ranges = []
self.AO_min = []
self.AO_max = []
self.AO_units = []
self.AO_raw = []
self.AO_values = []
self.AO_write_raw = []
self.AO_write_values = []
self.AO_write_result = False
# default di
self.DI_n = 0
self.DI_values = []
# default do
self.DO_n = 0
self.DO_values = []
# modbus client
self._client = ModbusClient(host,
port,
auto_open=True,
auto_close=True,
timeout=timeout)
status = self._client.open()
if not status:
self.logger.error('ET7000 device at %s is offline' % host)
return
# read module name
self._name = self.read_module_name()
self.type = hex(self._name).replace('0x', '')
if self._name not in ET7000.devices:
self.logger.warning(
'ET7000 device type %s probably not supported' %
hex(self._name))
# ai
self.AI_n = self.read_AI_n()
self.AI_masks = [False] * self.AI_n
self.AI_ranges = [0xff] * self.AI_n
self.AI_raw = [0] * self.AI_n
self.AI_values = [float('nan')] * self.AI_n
self.AI_units = [''] * self.AI_n
self.read_AI_masks()
self.read_AI_ranges()
self.AI_convert = [lambda x: x] * self.AI_n
for n in range(self.AI_n):
r = self.AI_ranges[n]
self.AI_units[n] = ET7000.ranges[r]['units']
self.AI_convert[n] = ET7000.ai_convert_function(r)
# ao
self.AO_n = self.read_AO_n()
self.AO_masks = [True] * self.AO_n
self.read_AO_masks()
self.AO_ranges = [0xff] * self.AO_n
self.AO_raw = [0] * self.AO_n
self.AO_values = [float('nan')] * self.AO_n
self.AO_write_values = [float('nan')] * self.AO_n
self.AO_units = [''] * self.AO_n
self.AO_write = [0] * self.AO_n
self.AO_write_raw = [0] * self.AO_n
self.read_AO_ranges()
self.AO_convert = [lambda x: x] * self.AI_n
self.AO_convert_write = [lambda x: 0] * self.AI_n
for n in range(self.AO_n):
r = self.AO_ranges[n]
self.AO_units[n] = ET7000.ranges[r]['units']
self.AO_convert[n] = ET7000.ai_convert_function(
r) # !!! ai_convert for reading
self.AO_convert_write[n] = ET7000.ao_convert_function(
r) # !!! ao_convert for writing
# di
self.DI_n = self.read_DI_n()
self.DI_values = [False] * self.DI_n
# do
self.DO_n = self.read_DO_n()
self.DO_values = [False] * self.DO_n
self.DO_write = [False] * self.DO_n
def read_module_name(self):
regs = self._client.read_holding_registers(559, 1)
if regs and regs[0] != 0:
return regs[0]
regs = self._client.read_holding_registers(260, 1)
if regs:
return regs[0]
return 0
# AI functions
def read_AI_n(self):
regs = self._client.read_input_registers(320, 1)
if regs and regs[0] != 0:
return regs[0]
regs = self._client.read_input_registers(120, 1)
if regs:
return regs[0]
return 0
def read_AI_masks(self):
coils = self._client.read_coils(595, self.AI_n)
if coils and len(coils) == self.AI_n:
self.AI_masks = coils
return coils
def read_AI_ranges(self):
regs = self._client.read_holding_registers(427, self.AI_n)
if regs and len(regs) == self.AI_n:
self.AI_ranges = regs
return regs
def read_AI_raw(self, channel=None):
if channel is None:
n = self.AI_n
channel = 0
else:
n = 1
regs = self._client.read_input_registers(0 + channel, n)
if regs and len(regs) == n:
self.AI_raw[channel:channel + n] = regs
if n == 1:
return regs[0]
return regs
def convert_AI(self):
for k in range(self.AI_n):
if self.AI_masks[k]:
self.AI_values[k] = self.AI_convert[k](self.AI_raw[k])
else:
self.AI_values[k] = float('nan')
return self.AI_values
def read_AI(self, channel=None):
if channel is None:
self.read_AI_raw()
self.convert_AI()
return self.AI_values
return self.read_AI_channel(channel)
def read_AI_channel(self, k: int):
v = float('nan')
if self.AI_masks[k]:
regs = self._client.read_input_registers(0 + k, 1)
if regs:
self.AI_raw[k] = regs[0]
v = self.AI_convert[k](regs[0])
self.AI_values[k] = v
return v
# AO functions
def read_AO_n(self):
regs = self._client.read_input_registers(330, 1)
if regs and regs[0] != 0:
return regs[0]
regs = self._client.read_input_registers(130, 1)
if regs:
return regs[0]
return 0
def read_AO_masks(self):
return self.AO_masks
def read_AO_ranges(self):
regs = self._client.read_holding_registers(459, self.AO_n)
if regs and len(regs) == self.AO_n:
self.AO_ranges = regs
return regs
def read_AO_raw(self, channel=None):
if channel is None:
n = self.AO_n
channel = 0
else:
n = 1
regs = self._client.read_holding_registers(0 + channel, n)
if regs and len(regs) == n:
self.AO_raw[channel:channel + n] = regs
if n == 1:
return regs[0]
return regs
def write_AO_raw(self, regs):
result = self._client.write_multiple_registers(0, regs)
self.AO_write_result = result
if len(regs) == self.AO_n:
self.AO_write_raw = regs
return result
def convert_AO(self):
raw = self.AO_raw
for k in range(self.AO_n):
self.AO_values[k] = self.AO_convert[k](raw[k])
return self.AO_values
def convert_to_raw_AO(self, values=None):
if values is None:
values = self.AO_write_values
answer = []
for k in range(len(values)):
answer.append(self.AO_convert_write[k](values[k]))
return answer
def read_AO(self):
self.AO_raw = self.read_AO_raw()
self.convert_AO()
return self.AO_values
def read_AO_channel(self, k: int):
v = float('nan')
if self.AO_masks[k]:
regs = self._client.read_holding_registers(0 + k, 1)
if regs:
v = self.AO_convert[k](regs[0])
self.AO_values[k] = v
return v
def write_AO(self, values):
self.AO_write_values = values
regs = ET7000.convert_to_raw_AO(values)
result = self.write_AO_raw(regs)
return result
def write_AO_channel(self, k: int, value):
raw = self.AO_convert_write[k](value)
result = self._client.write_single_register(0 + k, raw)
self.AO_write_result = result
if result:
self.AO_write_values[k] = value
self.AO_write_raw[k] = raw
pass
return result
# DI functions
def read_DI_n(self):
regs = self._client.read_input_registers(300, 1)
if regs and regs[0] != 0:
return regs[0]
regs = self._client.read_input_registers(100, 1)
if regs:
return regs[0]
return 0
def read_DI(self):
regs = self._client.read_discrete_inputs(0, self.DI_n)
if regs:
self.DI_values = regs
return self.DI_values
def read_DI_channel(self, k: int):
reg = self._client.read_discrete_inputs(0 + k, 1)
if reg:
self.DI_values[k] = reg[0]
return reg[0]
return None
# DO functions
def read_DO_n(self):
self.DO_time = time.time()
regs = self._client.read_input_registers(310, 1)
if regs and regs[0] != 0:
return regs[0]
regs = self._client.read_input_registers(110, 1)
if regs:
return regs[0]
return 0
def read_DO(self):
regs = self._client.read_coils(0, self.DI_n)
if regs:
self.DI_values = regs
return self.DI_values
def read_DO_channel(self, k: int):
reg = self._client.read_coils(0 + k, 1)
if reg:
self.DO_values[k] = reg[0]
return reg[0]
return None
def write_DO(self, values):
self.DO_write = values
self.DO_write_result = self._client.write_multiple_coils(0, values)
return self.DO_write_result
def write_DO_channel(self, k: int, value: bool):
result = self._client.write_single_coil(0 + k, value)
self.DO_write_result = result
if result:
self.DO_write[k] = value
return result
from pyModbusTCP.client import ModbusClient
import time
try:
c = ModbusClient(host="localhost", port=502)
except ValueError:
print("Error with host or port parameters")
while (1):
if not c.is_open():
if not c.open():
print("unable to connect to ")
if c.is_open():
hreg = c.read_holding_registers(0, 10)
creg = c.read_coils(0, 5)
if hreg:
print("Holding registers 0 to 9:" + str(hreg))
if creg:
print("Coil registers 0 to 4:" + str(creg))
time.sleep(1)
# uncomment this line to see debug message
# c.debug(True)
# while True:
# # open or reconnect TCP to server
# if not c.is_open():
# if not c.open():
SERVER_HOST = "localhost"
SERVER_PORT = 502
c = ModbusClient()
# uncomment this line to see debug message
#c.debug(True)
# define modbus server host, port
c.host(SERVER_HOST)
c.port(SERVER_PORT)
while True:
# open or reconnect TCP to server
if not c.is_open():
if not c.open():
print("unable to connect to " + SERVER_HOST + ":" +
str(SERVER_PORT))
# if open() is ok, read coils (modbus function 0x01)
if c.is_open():
# read 10 bits at address 0, store result in regs list
bits = c.read_coils(0, 10)
# if success display registers
if bits:
print("bit ad #0 to 9: " + str(bits))
# sleep 2s before next polling
time.sleep(2)
str(SERVER_PORT))
# if open() is ok, read coils (modbus function 0x01)
if c.is_open():
if is_ok == False:
is_ok = c.write_single_coil(ADDRESS_WR, toggle)
if is_ok:
print("bit #" + str(ADDRESS_WR) + ": write to " + str(toggle))
else:
print("bit #" + str(ADDRESS_WR) + ": unable to write " +
str(toggle))
time.sleep(0.5)
# read 10 bits at address 0, store result in regs list
bits = c.read_coils(ADDRESS_START, LENGHT)
# if success display registers
if bits:
print(is_ok)
print("bit from M{} to M{} : ".format(
ADDRESS_START - 2000, ADDRESS_START + LENGHT - 2001) +
str(bits))
if bits[0] == False:
is_ok = False
bit_no = ADDRESS_START
for i in bits:
print('Bit M{} - {}'.format(bit_no - 2000, i))
bit_no += 1
# if open() is ok, write coils (modbus function 0x01)
if c.is_open():
# write 4 bits in modbus address 0 to 3
print("")
print("write bits")
print("----------")
print("")
for addr in range(4):
is_ok = c.write_single_coil(addr, toggle)
if is_ok:
print("bit #" + str(addr) + ": write to " + str(toggle))
else:
print("bit #" + str(addr) + ": unable to write " + str(toggle))
time.sleep(0.5)
time.sleep(1)
print("")
print("read bits")
print("---------")
print("")
bits = c.read_coils(0, 4)
if bits:
print("bits #0 to 3: " + str(bits))
else:
print("unable to read")
toggle = not toggle
# sleep 2s before next polling
time.sleep(2)
class LightController():
"""Class to control lights of a single controller"""
toggle_time = config.toggle_time
def __init__(self, host):
self.client = ModbusClient(host=host, auto_open=True, auto_close=False)
#self.client.debug(True)
logger.info("Connecting to %s", self.client.host())
status = self.check_status()
if status & 1<<15:
# Watchdog ellapsed, try to reset
logger.info("Resetting watchdog")
self.client.write_single_register(0x1121, 0xbecf)
self.client.write_single_register(0x1121, 0xaffe)
# Disable the watchdog, if enabled
watchdog_timeout = self.client.read_holding_registers(0x1120)[0]
if watchdog_timeout > 0:
logger.debug("Watchdog timeout: %d", watchdog_timeout)
logger.info("Disabling watchdog")
self.client.write_single_register(0x1120, 0)
(self.num_outputs, self.num_inputs) = self.client.read_holding_registers(0x1012, 2)
logger.info("Number of outputs: %d", self.num_outputs)
logger.info("Number of inputs: %d", self.num_inputs)
self.client.close()
# We use auto close for all subsequent calls after initialization
self.client.auto_close(True)
def check_status(self):
"""Read buscoupler status from the module"""
buscoupler_status = self.client.read_holding_registers(0x100c)[0]
if buscoupler_status & 1<<0:
logger.error("Bus terminal error")
if buscoupler_status & 1<<1:
logger.error("Bus coupler configuration error")
if buscoupler_status & 1<<15:
logger.error("Fieldbus error, watchdog timer elapsed")
return buscoupler_status
def inputs(self):
"""Read input status from module"""
inputs = self.client.read_discrete_inputs(0, self.num_inputs)
logger.debug("Inputs: %s", "".join(map(lambda c: '1' if c else '0', inputs)))
return inputs
def outputs(self):
"""Read output status from module"""
coils = self.client.read_coils(0, self.num_outputs)
logger.debug("Outputs: %s", "".join(map(lambda c: '1' if c else '0', coils)))
return coils
def toggle(self, bit_addr):
"""Toggle a impulse relay connected to a single output"""
logger.info("Toggling %d on %s", bit_addr, self.client.host())
self.client.auto_close(False)
self.client.write_single_coil(bit_addr, True)
logger.debug("On %d", bit_addr)
time.sleep(self.toggle_time)
self.client.write_single_coil(bit_addr, False)
logger.debug("Off %d", bit_addr)
self.client.close()
self.client.auto_close(True)
# if open() is ok, write coils (modbus function 0x01)
if c.is_open():
# write 4 bits in modbus address 0 to 3
print("")
print("write bits")
print("----------")
print("")
for addr in range(8192, 8198):
is_ok = c.write_single_coil(addr, toggle)
if is_ok:
print("bit #" + str(addr) + ": write to " + str(toggle))
else:
print("bit #" + str(addr) + ": unable to write " + str(toggle))
time.sleep(0.5)
time.sleep(1)
print("")
print("read bits")
print("---------")
print("")
bits = c.read_coils(8192, 6)
if bits:
print("bits #8193 to 8196: " + str(bits))
else:
print("unable to read")
toggle = not toggle
# sleep 2s before next polling
time.sleep(2)
class ClienteMODBUS():
"""
Classe Cliente MODBUS
"""
def __init__(self,
server_ip,
porta,
device_id=1,
scan_time=0.1,
valor=0,
dbpath="C:\database.db"):
"""
Construtor
"""
self._scan_time = scan_time
self._server_ip = server_ip
self._device_id = device_id
self._port = porta
self._cliente = ModbusClient(host=server_ip,
port=porta,
unit_id=device_id)
self._dbpath = dbpath
self._valor = valor
self._con = sqlite3.connect(self._dbpath)
self._cursor = self._con.cursor()
def atendimento(self):
"""
Método para atendimento do usuário
"""
try:
self._cliente.open()
print('\n\033[33m --> Cliente Modbus conectado..\033[m\n')
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
try:
atendimento = True
while atendimento:
print('-' * 100)
print('\033[34mCliente Modbus\033[m'.center(100))
print('-' * 100)
sel = input(
"Qual serviço? \n1- Leitura \n2- Escrita \n3- Configuração \n4- Sair \nNº Serviço: "
)
if sel == '1':
self.createTable()
self.createTableF01()
self.createTableF02()
self.createTableF03()
self.createTableF04()
print('\nQual tipo de dado deseja ler?')
print(
"1- Coil Status \n2- Input Status \n3- Holding Register \n4- Input Register"
)
while True:
tipo = int(input("Type: "))
if tipo > 4:
print('\033[31mDigite um tipo válido..\033[m')
sleep(0.5)
else:
break
if tipo == 3 or tipo == 4:
while True:
val = int(
input(
"\n1- Decimal \n2- Floating Point \n3- Float Swapped \nLeitura: "
))
if val > 3:
print('\033[31mDigite um tipo válido..\033[m')
sleep(0.5)
else:
break
if val == 1: #valores decimais
addr = int(input(f'\nAddress: '))
leng = int(input(f'Length: '))
nvezes = input('Quantidade de leituras: ')
print('\nComeçando leitura Decimal..\n')
sleep(0.5)
try:
for i in range(0, int(nvezes)):
print(f'\033[33mLeitura {i+1}:\033[m',
end='')
print(
self.lerDado(int(tipo), int(addr),
leng))
sleep(self._scan_time)
print(
'\nValores lidos e inseridos no DB com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
try:
sleep(0.5)
print(
'\033[33m\nTentando novamente..\033[m')
if not self._cliente.is_open():
self._cliente.open()
sleep(0.5)
for i in range(0, int(nvezes)):
print(
f'\033[33mLeitura {i + 1}:\033[m',
end='')
print(
self.lerDado(
int(tipo), int(addr), leng))
sleep(self._scan_time)
print(
'\nValores lidos e inseridos no DB com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nO Cliente não conseguiu receber uma resposta.. \nVoltando ao menu..\n\n'
)
sleep(1.5)
elif val == 2: #valores FLOAT
addr = input(f'\nAddress: ')
leng = int(input(f'Length: '))
nvezes = input('Quantidade de leituras: ')
print('\nComeçando leitura FLOAT..\n')
sleep(0.5)
try:
for i in range(0, int(nvezes)):
print(f'\033[33mLeitura {i + 1}:\033[m',
end='')
print(
self.lerDadoFloat(
int(tipo), int(addr), leng))
sleep(self._scan_time)
print(
'\nValores lidos e inseridos no DB com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m\n')
print(
'O Cliente não conseguiu receber uma resposta.. \nVoltando ao menu..\n\n'
)
sleep(1.5)
elif val == 3: #valores FLOAT SWAPPED
addr = input(f'\nAddress: ')
leng = int(input(f'Length: '))
nvezes = input('Quantidade de leituras: ')
print('\nComeçando leitura FLOAT SWAPPED..\n')
sleep(0.5)
try:
for i in range(0, int(nvezes)):
print(f'\033[33mLeitura {i + 1}:\033[m',
end='')
print(
self.lerDadoFloatSwapped(
int(tipo), int(addr), leng))
sleep(self._scan_time)
print(
'\nValores lidos e inseridos no DB com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m\n')
print(
'O Cliente não conseguiu receber uma resposta.. \nVoltando ao menu..\n\n'
)
sleep(1.5)
else:
print('\033[31mSeleção inválida..\033[m\n')
sleep(0.7)
else:
addr = input(f'\nAddress: ')
leng = int(input(f'Length: '))
nvezes = input('Quantidade de leituras: ')
print('\nComeçando leitura..\n')
sleep(0.5)
try:
for i in range(0, int(nvezes)):
print(f'\033[33mLeitura {i + 1}:\033[m',
end='')
print(self.lerDado(int(tipo), int(addr), leng))
sleep(self._scan_time)
print(
'\nValores lidos e inseridos no DB com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m\n')
print(
'O Cliente não conseguiu receber uma resposta.. \nVoltando ao menu..\n\n'
)
sleep(1.5)
elif sel == '2':
print(
'\nQual tipo de dado deseja escrever? \n1- Coil Status \n2- Holding Register'
)
while True:
tipo = int(input("Tipo: "))
if tipo > 2:
print('\033[31mDigite um tipo válido..\033[m')
sleep(0.5)
else:
break
addr = input(f'Digite o endereço: ')
valor = int(input(f'Digite o valor que deseja escrever: '))
try:
print('\nEscrevendo..')
sleep(0.5)
self.escreveDado(int(tipo), int(addr), valor)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nO Cliente não conseguiu escrever.. \nVoltando ao menu..\n\n'
)
sleep(1.5)
elif sel == '3':
print('')
print('-' * 100)
print('Configurações de Leitura'.center(100))
print(
f'\n\033[32m->\033[m Configuração atual: - IP Addrs: \033[35m{self._server_ip}\033[m - TCP Port: \033[35m{self._port}\033[m - Device ID: \033[35m{self._device_id}\033[m - Scan_Time: \033[35m{self._scan_time}\033[ms'
)
print(
'\nQual tipo de configuração deseja fazer? \n1- Endereço IP \n2- Porta TCP \n3- Device ID \n4- ScanTime \n5- Voltar'
)
config = int(input("Configuração: "))
if config == 1:
ipserv = str(input(' Novo endereço IP: '))
try:
self._cliente.close()
self._server_ip = ipserv
self._cliente = ModbusClient(host=self._server_ip)
self._cliente.open()
print(
f'\nServer IP alterado para {ipserv} com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nNão foi possível alterar o endereço IP.. \nVoltando ao menu..\n\n'
)
sleep(0.5)
elif config == 2:
porttcp = input(' Nova porta TCP: ')
try:
self._cliente.close()
self._port = int(porttcp)
self._cliente = ModbusClient(port=self._port)
self._cliente.open()
print(
f'\nTCP port alterado para {porttcp} com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nNão foi possível alterar a porta.. \nVoltando ao menu..\n\n'
)
sleep(0.5)
elif config == 3:
while True:
iddevice = input(' Novo device ID: ')
if 0 <= int(iddevice) < 256:
break
else:
print(
'\033[31mDevice ID deve ser um número inteiro entre 0 e 256.\033[m',
end='')
sleep(0.5)
try:
self._cliente.close()
self._device_id = int(iddevice)
self._cliente = ModbusClient(
unit_id=self._device_id)
self._cliente.open()
print(
f'\nDevice ID alterado para {iddevice} com sucesso!!\n'
)
sleep(0.5)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nNão foi possível alterar o ID do device.. \nVoltando ao menu..\n\n'
)
sleep(0.5)
elif config == 4:
scant = input(' Novo tempo de varredura [s]: ')
try:
self._scan_time = float(scant)
print(
f'\nScan_time alterado para {scant}s com sucesso!!\n'
)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
print(
'\nNão foi possível alterar o tempo de varredura.. \nVoltando ao menu..\n\n'
)
sleep(0.5)
elif config == 5:
print('\nVoltando ao menu inicial..\n')
sleep(0.5)
else:
print('\033[31mSeleção inválida..\033[m\n')
sleep(0.7)
elif sel == '4':
sleep(0.2)
print('\n\033[32mFechando sistema..\033[m')
sleep(0.5)
self._cliente.close()
atendimento = False
else:
print('\033[31mSeleção inválida..\033[m\n')
sleep(0.7)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def createTable(self):
"""
Método que cria a tabela para armazenamento dos dados, caso ela não exista
"""
try:
sql_str = f"""
CREATE TABLE IF NOT EXISTS pointValues (
ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, Address TEXT, Type TEXT, Display TEXT, Value REAL, TimeStamp1 TEXT NOT NULL)
"""
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def inserirDB(self, addrs, tipo, disp, value):
"""
Método para inserção dos dados no DB
"""
try:
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValues (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def createTableF01(self):
"""
Método que cria a tabela para armazenamento dos dados, caso ela não exista
"""
try:
sql_str = f"""
CREATE TABLE IF NOT EXISTS pointValuesF01 (
ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, Address TEXT, Type TEXT, Display TEXT, Value REAL, TimeStamp1 TEXT NOT NULL)
"""
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def createTableF02(self):
"""
Método que cria a tabela para armazenamento dos dados, caso ela não exista
"""
try:
sql_str = f"""
CREATE TABLE IF NOT EXISTS pointValuesF02 (
ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, Address TEXT, Type TEXT, Display TEXT, Value REAL, TimeStamp1 TEXT NOT NULL)
"""
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def createTableF03(self):
"""
Método que cria a tabela para armazenamento dos dados, caso ela não exista
"""
try:
sql_str = f"""
CREATE TABLE IF NOT EXISTS pointValuesF03 (
ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, Address TEXT, Type TEXT, Display TEXT, Value REAL, TimeStamp1 TEXT NOT NULL)
"""
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def createTableF04(self):
"""
Método que cria a tabela para armazenamento dos dados, caso ela não exista
"""
try:
sql_str = f"""
CREATE TABLE IF NOT EXISTS pointValuesF04 (
ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, Address TEXT, Type TEXT, Display TEXT, Value REAL, TimeStamp1 TEXT NOT NULL)
"""
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def inserirDBF0(self, addrs, tipo, disp, value):
"""
Método para inserção dos dados no DB
"""
try:
if tipo == "'F01-CoilStatus'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF01 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
elif tipo == "'F02-InputStatus'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF02 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
elif tipo == "'F03-HoldingRegister'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF03 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
elif tipo == "'F04-InputRegister'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF04 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def inserirDBFP(self, addrs, tipo, disp, value):
"""
Método para inserção dos dados no DB
"""
try:
if tipo == "'F03-HoldingRegister'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF03 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
elif tipo == "'F04-InputRegister'":
date = str(
datetime.datetime.fromtimestamp(int(
time.time())).strftime("%Y-%m-%d %H:%M:%S"))
str_values = f"'{addrs}', {tipo}, {disp}, {value}, '{date}'"
sql_str = f'INSERT INTO pointValuesF04 (Address, Type, Display, Value, TimeStamp1) VALUES ({str_values})'
self._cursor.execute(sql_str)
self._con.commit()
else:
print(
"Erro ao inserir no DB com Floating Point e Float Swapped!!"
)
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
def lerDado(self, tipo, addr, leng=1):
"""
Método para leitura MODBUS
"""
if tipo == 1:
co = self._cliente.read_coils(addr - 1, leng)
ic = 0
while ic <= leng:
if ic == leng:
break
else:
value = co[0 + ic]
ic += 1
# print(value)
if value == True:
value = 1
else:
value = 0
ende = str(addr + ic - 1).zfill(5)
self.inserirDB(addrs=str(ende),
tipo="'F01-CoilStatus'",
disp="'Booleano'",
value=value)
self.inserirDBF0(addrs=str(ende),
tipo="'F01-CoilStatus'",
disp="'Booleano'",
value=value)
return co
elif tipo == 2:
di = self._cliente.read_discrete_inputs(addr - 1, leng)
idi = 0
while idi <= leng:
if idi == leng:
break
else:
value = di[0 + idi]
idi += 1
# print(value)
self.inserirDB(addrs=(10000 + addr + idi - 1),
tipo="'F02-InputStatus'",
disp="'Booleano'",
value=value)
self.inserirDBF0(addrs=(10000 + addr + idi - 1),
tipo="'F02-InputStatus'",
disp="'Booleano'",
value=value)
return di
elif tipo == 3:
hr = self._cliente.read_holding_registers(addr - 1, leng)
ihr = 0
while ihr <= leng:
if ihr == leng:
break
else:
value = hr[0 + ihr]
ihr += 1
# print(value)
self.inserirDB(addrs=(40000 + addr + ihr - 1),
tipo="'F03-HoldingRegister'",
disp="'Decimal'",
value=value)
self.inserirDBF0(addrs=(40000 + addr + ihr - 1),
tipo="'F03-HoldingRegister'",
disp="'Decimal'",
value=value)
return hr
elif tipo == 4:
ir = self._cliente.read_input_registers(addr - 1, leng)
iir = 0
while iir <= leng:
if iir == leng:
break
else:
value = ir[0 + iir]
iir += 1
# print(value)
self.inserirDB(addrs=(30000 + addr + iir - 1),
tipo="'F04-InputRegister'",
disp="'Decimal'",
value=value)
self.inserirDBF0(addrs=(30000 + addr + iir - 1),
tipo="'F04-InputRegister'",
disp="'Decimal'",
value=value)
return ir
else:
print('Tipo de leitura inválido..')
def lerDadoFloat(self, tipo, addr, leng):
"""
Método para leitura FLOAT MODBUS
"""
i = 0
g = 0
e1 = []
listfloat = []
while i < leng:
if tipo == 3:
i1 = self._cliente.read_holding_registers(addr - 1 + g, 2)
tipore = "'F03-HoldingRegister'"
ende = 40000
elif tipo == 4:
i1 = self._cliente.read_input_registers(addr - 1 + g, 2)
tipore = "'F04-InputRegister'"
ende = 30000
else:
print('Tipo inválido..')
for x in i1:
x = bin(x).lstrip("0b")
e1.insert(0 + g, x)
i += 1
g += 2
e = 0
while e <= leng:
e2 = ''
for x in e1:
e2 = str(f'{e2}{x.rjust(16, "0")} ')
e += 1
b2 = str(f'{e2}')
e3 = b2.split()
y = 0
while y < len(e3):
ieee = f'{e3[0+y]}{e3[1+y]}'
sign = int(ieee[0])
expo = str(ieee[1:9])
expodec = 0
expopot = 7
for i in range(8):
expodec = expodec + (int(expo[i]) * (2**expopot))
expopot -= 1
mant = str(ieee[9:])
mantdec = 0
mantpot = -1
for i in range(23):
mantdec = mantdec + (int(mant[i]) * (2**mantpot))
mantpot -= 1
value = ((-1)**sign) * (1 + mantdec) * 2**(expodec - 127)
# print(f'{round(value, 3)}')
listfloat.append(round(value, 3))
y += 2
self.inserirDB(addrs=(ende + addr + y - 2),
tipo=tipore,
disp="'Floating Point'",
value=round(value, 3))
self.inserirDBFP(addrs=(ende + addr + y - 2),
tipo=tipore,
disp="'Floating Point'",
value=round(value, 3))
return listfloat
def lerDadoFloatSwapped(self, tipo, addr, leng):
"""
Método para leitura FLOAT SWAPPED MODBUS
"""
i = 0
g = 0
e1 = []
listfloatsp = []
while i < leng:
if tipo == 3:
i1 = self._cliente.read_holding_registers(addr - 1 + g, 2)
tipore = "'F03-HoldingRegister'"
ende = 40000
elif tipo == 4:
i1 = self._cliente.read_input_registers(addr - 1 + g, 2)
tipore = "'F04-InputRegister'"
ende = 30000
else:
print('Tipo inválido..')
i2 = i1[::-1]
for x in i2:
x = bin(x).lstrip("0b")
e1.insert(0 + g, x)
i += 1
g += 2
e = 0
while e <= leng:
e2 = ''
for x in e1:
e2 = str(f'{e2}{x.rjust(16, "0")} ')
e += 1
b2 = str(f'{e2}')
e3 = b2.split()
y = 0
while y < len(e3):
ieee = f'{e3[0+y]}{e3[1+y]}'
sign = int(ieee[0])
expo = str(ieee[1:9])
expodec = 0
expopot = 7
for i in range(8):
expodec = expodec + (int(expo[i]) * (2**expopot))
expopot -= 1
mant = str(ieee[9:])
mantdec = 0
mantpot = -1
for i in range(23):
mantdec = mantdec + (int(mant[i]) * (2**mantpot))
mantpot -= 1
value = ((-1)**sign) * (1 + mantdec) * 2**(expodec - 127)
# print(f'{round(value, 3)}')
listfloatsp.append(round(value, 3))
y += 2
self.inserirDB(addrs=(ende + addr + y - 2),
tipo=tipore,
disp="'Float (Swapped)'",
value=round(value, 3))
self.inserirDBFP(addrs=(ende + addr + y - 2),
tipo=tipore,
disp="'Float (Swapped)'",
value=round(value, 3))
return listfloatsp
def escreveDado(self, tipo, addr, valor):
"""
Método para escrita MODBUS
"""
try:
if tipo == 1:
print(
f'\033[33mValor {valor} escrito no endereço {addr}\033[m\n'
)
return self._cliente.write_single_coil(addr - 1, valor)
elif tipo == 2:
print(
f'\033[33mValor {valor} escrito no endereço {addr}\033[m\n'
)
return self._cliente.write_single_register(addr - 1, valor)
else:
print('Tipo de escrita inválido..\n')
except Exception as e:
print('\033[31mERRO: ', e.args, '\033[m')
host_client = "192.168.1.220"
c = ModbusClient()
if not c.host(host_client):
print("host error")
if not c.port(502):
print("port error")
# Автоматическое соединение TCP по запросу Modbus, закрытие после него\TCP auto connect on modbus request, close after it
c = ModbusClient(host=host_client, auto_open=True, auto_close=True)
while True:
if c.is_open():
# считываем регистры установки\read setup registers
in_regs_read = c.read_input_registers(0, 51)
hl_regs_read = c.read_holding_registers(0, 3)
coil_regs_read = c.read_coils(0, 25)
dis_in_regs = c.read_discrete_inputs(0, 72)
# присвоить переменным значение\assign variables a value
CL_POWER, CL_TIMER, CL_WEEK, CL_Boost_MODE, CL_FPLC_MODE, CL_IntRH_CTRL, CL_ExtRH_CTRL, CL_IntCO2_CTRL, CL_ExtCO2_CTRL, CL_IntPM2_5_CTRL, CL_ExtPM2_5_CTRL, CL_IntVOC_CTRL, CL_ExtVOC_CTRL, CL_BoostSWITCH_CTRL, CL_FplcSWITCH_CTRL, CL_FireALARM_CTRL, CL_10V_SENSOR_CTRL, CL_RESET_FILTER_TIMER, CL_RESET_ALARM, CL_RESTORE_FACTORY, CL_CLOUD_CTRL, CL_MinSuAirOutTEMP_CTRL, CL_WaterPRESS_CTRL, CL_WaterFLOW_CTRL, CL_WaterHeaterAutoRestart = coil_regs_read
IR_CurSelTEMP, IR_CurTEMP_SuAirIn, IR_CurTEMP_SuAirOut, IR_CurTEMP_ExAirIn, IR_CurTEMP_ExAirOut, unknown6in, unknown7in, IR_CurTEMP_Ext, IR_CurTEMP_Water, IR_CurVBAT, IR_CurRH_Int, IR_CurRH_Ext, IR_CurCO2_Int, IR_CurCO2_Ext, IR_CurPM2_5_Int, IR_CurPM2_5_Ext, IR_CurVOC_Int, IR_CurVOC_Ext, IR_Cur10V_SENSOR, IR_CurSuAirFLOW, IR_CurExAirFLOW, IR_CurSuPRESS, IR_CurExPRESS, IR_SuRPM, IR_ExRPM, unknown26in, IR_CurTIMER_TIME, unknown28in, IR_CurFILTER_TIMER, unknown30in, IR_TotalWorkingTime, IR_StateFILTER, IR_CurWeekSpeed, IR_CurWeekSetTemp, unknown35in, unknown36in, IR_VerMAIN_FMW, IR_DeviceTYPE, IR_ALARM, IR_RH_U, IR_CO2_U, IR_PM2_5_U, IR_VOC_U, IR_PreHeater_U, IR_MainHeater_U, IR_BPS_ROTOR_U, IR_KKB_U, IR_ReturnWater_U, IR_SuAirOutSetTemp, IR_WaterStandbySetTemp, IR_WaterStartSetTemp = in_regs_read
DI_CurBoostSWITCH, DI_CurFplcSWITCH, DI_CurFireALARM, DI_StatusRH, DI_StatusCO2, DI_StatusPM2_5, DI_StatusVOC, DI_StatusHEATER, DI_StatusCOOLER, DI_StatusFanBLOWING, DI_CurPreHeaterThermostat, DI_CurMainHeaterThermostat, DI_CurSuFilterPRESS, DI_CurExFilterPRESS, DI_CurWaterPRESS, DI_CurWaterFLOW, DI_CurSuFanPRESS, DI_CurExFanPRESS, DI_WaterPreheatingStatus, DI_AlarmCODE0, DI_AlarmCODE1, DI_AlarmCODE2, DI_AlarmCODE3, DI_AlarmCODE4, DI_AlarmCODE5, DI_AlarmCODE6, DI_AlarmCODE7, DI_AlarmCODE8, DI_AlarmCODE9, DI_AlarmCODE10, DI_AlarmCODE11, DI_AlarmCODE12, DI_AlarmCODE13, DI_AlarmCODE14, DI_AlarmCODE15, DI_AlarmCODE16, DI_AlarmCODE17, DI_AlarmCODE18, DI_AlarmCODE19, DI_AlarmCODE20, DI_AlarmCODE21, DI_AlarmCODE22, DI_AlarmCODE23, DI_AlarmCODE24, DI_AlarmCODE25, DI_AlarmCODE26, DI_AlarmCODE27, DI_AlarmCODE28, DI_AlarmCODE29, DI_AlarmCODE30, DI_AlarmCODE31, DI_AlarmCODE32, DI_AlarmCODE33, DI_AlarmCODE34, DI_AlarmCODE35, DI_AlarmCODE36, DI_AlarmCODE37, DI_AlarmCODE38, DI_AlarmCODE39, DI_AlarmCODE40, DI_AlarmCODE41, DI_AlarmCODE42, DI_AlarmCODE43, DI_AlarmCODE44, DI_AlarmCODE45, DI_AlarmCODE46, DI_AlarmCODE47, DI_AlarmCODE48, DI_AlarmCODE49, DI_AlarmCODE50, DI_AlarmCODE51, DI_AlarmCODE52 = dis_in_regs
HR_VENTILATION_MODE, HR_MaxSPEED_MODE, HR_SPEED_MODE = hl_regs_read
print("Время", real_time)
print("Время", type(real_time))
# тест списков :)
# print("количество значений списка переменних", len(other))
print("количество значений списка регистров", type(hl_regs_read))
print(CL_POWER)
print(IR_CurSelTEMP)
print(DI_StatusHEATER)
print(HR_SPEED_MODE)
# if open() is ok, write coils (modbus function 0x01)
if c.is_open():
# write 4 bits in modbus address 0 to 3
print("")
print("write bits")
print("----------")
print("")
for addr in range(4):
is_ok = c.write_single_coil(addr, toggle)
if is_ok:
print("bit #" + str(addr) + ": write to " + str(toggle))
else:
print("bit #" + str(addr) + ": unable to write " + str(toggle))
time.sleep(0.5)
time.sleep(1)
print("")
print("read bits")
print("---------")
print("")
bits = c.read_coils(0, 4)
if bits:
print("bits #0 to 3: "+str(bits))
else:
print("unable to read")
toggle = not toggle
# sleep 2s before next polling
time.sleep(2)
client = ModbusClient("192.168.0.124", 502)
client.open()
print("Connected to Modbus!")
Cap = cv2.VideoCapture(1, cv2.CAP_DSHOW) # Initialize camera
window = Kuka.init_GUI() # Initialize GUI
calibrate_thread = threading.Thread(target=calibration) # Declare a thread to run the calibration function
calibrate_thread.start() # Start the thread
# Main loop
while True:
color, x, y, = 0, 0, 0 # Set x, y, and color variables to zero
# read from modbus
try:
yellow = client.read_coils(10)[0]
green = client.read_coils(11)[0]
red = client.read_coils(12)[0]
blue = client.read_coils(13)[0]
except TypeError:
print("Modbus Error")
yellow, green, red, blue = False, False, False, False
pass
print(yellow, green, red, blue)
ret, frame = Cap.read() # Read from camera
blur = cv2.GaussianBlur(frame, (25, 25), 10) # Blur the image
hsv = cv2.cvtColor(blur, cv2.COLOR_BGR2HSV) # make a HSV version of the blurred image
Kuka.show_cal_screen(hsv, frame, thresholds) # Show the calibration screen
class modbusTCP_Slave:
# Working Modes
RESULT_MODE__RETURN_ALL_VALUES__RAW = 0
RESULT_MODE__RETURN_ALL_VALUES__FORMATTED = 1
RESULT_MODE__RETURN_ONLY_NEW_VALUES__RAW = 2
RESULT_MODE__RETURN_ONLY_NEW_VALUES__FORMATTED = 3
def __init__(self, _jsonFile, _resultMode=0):
# JSON object with the information of the Modbus Master device
self.deviceHost = _jsonFile["host"]
self.devicePort = _jsonFile["port"]
self.deviceData = _jsonFile["data"]
# Result Mode
self.resultMode = int(_resultMode)
# For Polling Process
self.deviceData_LastValues = ""
self.deviceData_CurrentValues = ""
# Connect with Modbus Server
def SetupPollingProcess(self):
# Initialize deviceData values
for data_point in self.deviceData:
data_point["value"] = 0
try:
# Create Client
self.client = ModbusClient()
self.client.host(self.deviceHost)
self.client.port(self.devicePort)
self.client.unit_id(1)
except ValueError as e:
# Problems accessing Modbus Server
return -1
# Initialize copies of data
self.deviceData_LastValues = copy.deepcopy(self.deviceData)
self.deviceData_CurrentValues = copy.deepcopy(self.deviceData)
# Setup process OK
return 0
# Poll data from Modbus Master device
def PollDataFromDevice(self):
# Open or reconnect TCP to server
if not self.client.is_open():
if not self.client.open():
return -1
if self.client.is_open():
# Go through data and act correspondingly
for data_point in self.deviceData_CurrentValues:
addr = data_point["address"]
if data_point["type"] == "coil":
read_data = self.client.read_coils(addr, 1)
if read_data != None:
data_point["value"] = read_data
elif data_point["type"] == "register":
read_data = self.client.read_holding_registers(addr, 1)
if read_data != None:
data_point["value"] = read_data
### Process Data and return it depending on Working Mode
# RESULT_MODE__RETURN_ALL_VALUES__RAW ==> 0
# RESULT_MODE__RETURN_ALL_VALUES__FORMATTED ==> 0
# RESULT_MODE__RETURN_ONLY_NEW_VALUES__RAW ==> 0
# RESULT_MODE__RETURN_ONLY_NEW_VALUES__FORMATTED ==> 0
##################################################################
if (self.resultMode == self.RESULT_MODE__RETURN_ALL_VALUES__RAW):
# All data - RAW
return self.deviceData_CurrentValues
elif (self.resultMode ==
self.RESULT_MODE__RETURN_ALL_VALUES__FORMATTED):
# All data - FORMATTED
return self.__formatDataValue(self.deviceData_CurrentValues)
else:
# Check for new values
newValues = self.__checkForNewValues(
self.deviceData_LastValues, self.deviceData_CurrentValues)
# Copy of the latest received data
self.deviceData_LastValues = copy.deepcopy(
self.deviceData_CurrentValues)
# Process new values, if there is any
if (newValues != []):
# RAW or FORMATTED?
if (self.resultMode ==
self.RESULT_MODE__RETURN_ONLY_NEW_VALUES__RAW):
return newValues
elif (self.resultMode ==
self.RESULT_MODE__RETURN_ONLY_NEW_VALUES__FORMATTED):
return self.__formatDataValue(newValues)
else:
return []
# Format RAW data according to this template
# [ 07/16/20 @ 12:48:06 - 126 ] ---> localhost @ Port: 11503 ==> Value: False from coil at address: 1520
def __formatDataValue(self, values):
# Prepare timestamp
temp = datetime.datetime.now()
x = temp.strftime("%x")
y = temp.strftime("%X")
z = temp.strftime("%f")
timestamp = "[ " + x + " @ " + y + " - " + z[:3] + " ]"
result = []
for data_point in values:
# Prepare value
value = str(data_point["value"][0]).rjust(5)
# Format information
formattedValue = (str(timestamp) + " ---> " +
str(self.deviceHost) + " @ Port: " +
str(self.devicePort) + " ==> Value: " + value +
" from " + (data_point["type"]).rjust(8) +
" at address: " + str(data_point["address"]))
result.append(formattedValue)
return result
# Check if latest polled data is new
# Only new data will be taken into account
def __checkForNewValues(self, lastValues, currentValues):
# Temp array
newValues = []
for current_DP in currentValues:
# Check if the value changed
for last_DP in lastValues:
if (last_DP["type"] == current_DP["type"]) and (
last_DP["address"] == current_DP["address"]) and (
last_DP["value"] != current_DP["value"]):
# --- New value
newValues.append(current_DP)
return newValues
class ModbusTCPSensor(OMPluginBase):
"""
Get sensor values form modbus
"""
name = 'modbusTCPSensor'
version = '1.0.18'
interfaces = [('config', '1.0')]
config_description = [{
'name': 'modbus_server_ip',
'type': 'str',
'description': 'IP or hostname of the ModBus server.'
}, {
'name':
'modbus_port',
'type':
'int',
'description':
'Port of the ModBus server. Default: 502'
}, {
'name': 'debug',
'type': 'int',
'description': 'Turn on debugging (0 = off, 1 = on)'
}, {
'name':
'sample_rate',
'type':
'int',
'description':
'How frequent (every x seconds) to fetch the sensor data, Default: 60'
}, {
'name':
'sensors',
'type':
'section',
'description':
'OM sensor ID (e.g. 4), a sensor type and a Modbus Address',
'repeat':
True,
'min':
0,
'content': [{
'name': 'sensor_id',
'type': 'int'
}, {
'name':
'sensor_type',
'type':
'enum',
'choices':
['temperature', 'humidity', 'brightness', 'validation_bit']
}, {
'name': 'modbus_address',
'type': 'int'
}, {
'name': 'modbus_register_length',
'type': 'int'
}]
}, {
'name':
'bits',
'type':
'section',
'description':
'OM validation bit ID (e.g. 4), and a Modbus Coil Address',
'repeat':
True,
'min':
0,
'content': [{
'name': 'validation_bit_id',
'type': 'int'
}, {
'name': 'modbus_coil_address',
'type': 'int'
}]
}]
default_config = {'modbus_port': 502, 'sample_rate': 60}
def __init__(self, webinterface, logger):
super(ModbusTCPSensor, self).__init__(webinterface, logger)
self.logger('Starting ModbusTCPSensor plugin...')
self._config = self.read_config(ModbusTCPSensor.default_config)
self._config_checker = PluginConfigChecker(
ModbusTCPSensor.config_description)
py_modbus_tcp_egg = '/opt/openmotics/python/plugins/modbusTCPSensor/pyModbusTCP-0.1.7-py2.7.egg'
if py_modbus_tcp_egg not in sys.path:
sys.path.insert(0, py_modbus_tcp_egg)
self._client = None
self._samples = []
self._save_times = {}
self._read_config()
self.logger("Started ModbusTCPSensor plugin")
def _read_config(self):
self._ip = self._config.get('modbus_server_ip')
self._port = self._config.get(
'modbus_port', ModbusTCPSensor.default_config['modbus_port'])
self._debug = self._config.get('debug', 0) == 1
self._sample_rate = self._config.get(
'sample_rate', ModbusTCPSensor.default_config['sample_rate'])
self._sensors = []
# Load Sensors
for sensor in self._config.get('sensors', []):
if 0 <= sensor['sensor_id'] < 32:
self._sensors.append(sensor)
# Load Validation bits
self._validation_bits = []
for validation_bit in self._config.get('bits', []):
if 0 <= validation_bit['validation_bit_id'] < 256:
self._validation_bits.append(validation_bit)
self._enabled = len(self._sensors) > 0
try:
from pyModbusTCP.client import ModbusClient
self._client = ModbusClient(self._ip,
self._port,
auto_open=True,
auto_close=True)
self._client.open()
self._enabled = self._enabled & True
except Exception as ex:
self.logger('Error connecting to Modbus server: {0}'.format(ex))
self.logger('ModbusTCPSensor is {0}'.format(
'enabled' if self._enabled else 'disabled'))
@background_task
def run(self):
while True:
try:
if not self._enabled or self._client is None:
time.sleep(5)
continue
# Process all configured sensors
self.process_sensors()
# Process all validation bits
self.process_validation_bits()
time.sleep(self._sample_rate)
except Exception as ex:
self.logger('Could not process sensor values: {0}'.format(ex))
time.sleep(15)
def clamp_sensor(self, value, sensor_type):
clamping = {
'temperature': [-32, 95.5, 1],
'humidity': [0, 100, 1],
'brightness': [0, 100, 0]
}
return round(
max(clamping[sensor_type][0], min(value,
clamping[sensor_type][1])),
clamping[sensor_type][2])
def process_sensors(self):
om_sensors = {}
for sensor in self._sensors:
registers = self._client.read_holding_registers(
sensor['modbus_address'], sensor['modbus_register_length'])
if registers is None:
continue
sensor_value = struct.unpack(
'>f',
struct.pack('BBBB', registers[1] >> 8, registers[1] & 255,
registers[0] >> 8, registers[0] & 255))[0]
if not om_sensors.get(sensor['sensor_id']):
om_sensors[sensor['sensor_id']] = {
'temperature': None,
'humidity': None,
'brightness': None
}
sensor_value = self.clamp_sensor(sensor_value,
sensor['sensor_type'])
om_sensors[sensor['sensor_id']][
sensor['sensor_type']] = sensor_value
if self._debug == 1:
self.logger('The sensors values are: {0}'.format(om_sensors))
for sensor_id, values in om_sensors.iteritems():
result = json.loads(
self.webinterface.set_virtual_sensor(sensor_id, **values))
if result['success'] is False:
self.logger(
'Error when updating virtual sensor {0}: {1}'.format(
sensor_id, result['msg']))
def process_validation_bits(self):
for validation_bit in self._validation_bits:
bit = self._client.read_coils(
validation_bit['modbus_coil_address'], 1)
if bit is None or len(bit) != 1:
if self._debug == 1:
self.logger('Failed to read bit {0}, bit is {1}'.format(
validation_bit['validation_bit_id'], bit))
continue
result = json.loads(
self.webinterface.do_basic_action(
None, 237 if bit[0] else 238,
validation_bit['validation_bit_id']))
if result['success'] is False:
self.logger('Failed to set bit {0} to {1}'.format(
validation_bit['validation_bit_id'], 1 if bit[0] else 0))
else:
if self._debug == 1:
self.logger('Successfully set bit {0} to {1}'.format(
validation_bit['validation_bit_id'],
1 if bit[0] else 0))
@om_expose
def get_config_description(self):
return json.dumps(ModbusTCPSensor.config_description)
@om_expose
def get_config(self):
return json.dumps(self._config)
@om_expose
def set_config(self, config):
config = json.loads(config)
for key in config:
if isinstance(config[key], six.string_types):
config[key] = str(config[key])
self._config_checker.check_config(config)
self.write_config(config)
self._config = config
self._read_config()
return json.dumps({'success': True})
class TestClientServer(unittest.TestCase):
port = 5020
def setUp(self):
# modbus server
self.server = ModbusServer(port=TestClientServer.port, no_block=True)
self.server.start()
# modbus client
self.client = ModbusClient(port=TestClientServer.port)
self.client.open()
# to prevent address taken errors
TestClientServer.port += 1
def tearDown(self):
self.client.close()
@repeat
def test_word_init(self):
# word space
self.assertEqual(self.client.read_holding_registers(0), [0],
'Default value is 0 when server start')
self.assertEqual(self.client.read_input_registers(0), [0],
'Default value is 0 when server start')
@repeat
def test_word_single(self):
# single read/write
self.assertEqual(self.client.write_single_register(0, 0xffff), True)
self.assertEqual(self.client.read_input_registers(0), [0xffff])
@repeat
def test_word_multi(self):
# multi-write at max size
words_l = [randint(0, 0xffff)] * 0x7b
self.assertEqual(self.client.write_multiple_registers(0, words_l),
True)
self.assertEqual(self.client.read_holding_registers(0, len(words_l)),
words_l)
self.assertEqual(self.client.read_input_registers(0, len(words_l)),
words_l)
@repeat
def test_word_oversize(self):
# write over sized
words_l = [randint(0, 0xffff)] * 0x7c
self.assertEqual(self.client.write_multiple_registers(0, words_l),
None)
@repeat
def test_bit_init(self):
# bit space
self.assertEqual(self.client.read_coils(0), [False],
'Default value is False when server start')
self.assertEqual(self.client.read_discrete_inputs(0), [False],
'Default value is False when server start')
@repeat
def test_bit_single(self):
# single read/write
self.assertEqual(self.client.write_single_coil(0, True), True)
self.assertEqual(self.client.read_coils(0), [True])
self.assertEqual(self.client.read_discrete_inputs(0), [True])
@repeat
def test_bit_multi_min(self):
# multi-write at min size
bits_l = [getrandbits(1)] * 0x1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)),
bits_l)
@repeat
def test_bit_multi_max(self):
# multi-write at max size
bits_l = [getrandbits(1)] * 0x7b0
self.assertEqual(self.client.write_multiple_coils(0, bits_l), True)
self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l)
self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)),
bits_l)
@repeat
def test_bit_multi_oversize(self):
# multi-write over sized
bits_l = [getrandbits(1)] * 0x7b1
self.assertEqual(self.client.write_multiple_coils(0, bits_l), None)
# define o cliente
c = ModbusClient()
# debug do cliente
#c.debug(True)
# ip/porta do servidor modbus (para se conectar)
c.host("10.13.110.215")
c.port(502)
while True:
# para abrir a conexao TCP com o servidor
if not c.is_open():
if not c.open():
print ("unable to connect")
# read_coils() para leitura de dados vindo do servidor/supervisorio
on = c.read_coils(6)
# se a conexao estabelecida, entao escreve (write coils (modbus function 0x01))
if c.is_open():
c.write_single_coil(v1, valvula1)
c.write_single_coil(v2, valvula2)
c.write_single_register(n1, nivel1)
c.write_single_register(n2, nivel2)
# ... logica de codigo a implementar de acordo com a aplicacao a ser desenvolvida
def onHeartbeat(self):
Domoticz.Debug("onHeartbeat called")
try:
client = ModbusClient(host=self.TCP_IP,
port=int(self.TCP_PORT),
unit_id=int(1),
auto_open=True,
auto_close=True,
timeout=2)
except:
Domoticz.Error("Can not connect to Modbus TCP/IP: " + self.TCP_IP +
":" + self.TCP_PORT)
try:
c207 = BinaryPayloadDecoder.fromRegisters(
client.read_coils(207, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
c211 = BinaryPayloadDecoder.fromRegisters(
client.read_coils(211, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
c902 = BinaryPayloadDecoder.fromRegisters(
client.read_coils(902, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
c1200 = BinaryPayloadDecoder.fromRegisters(
client.read_coils(1200, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
#Domoticz.Debug("Modbus response: v='" + str(i201) + "'")
except:
Domoticz.Error(
"Modbus TCP/IP communication error (input registers). Check it out!"
)
try:
i200 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(200, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
i201 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(201, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
i203 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(203, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
i204 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(204, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
i205 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(205, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
i206 = BinaryPayloadDecoder.fromRegisters(
client.read_input_registers(206, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
#Domoticz.Debug("Modbus response: v='" + str(i201) + "'")
except:
Domoticz.Error(
"Modbus TCP/IP communication error (input registers). Check it out!"
)
try:
d200 = BinaryPayloadDecoder.fromRegisters(
client.read_discrete_inputs(200, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
d201 = BinaryPayloadDecoder.fromRegisters(
client.read_discrete_inputs(201, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
d202 = BinaryPayloadDecoder.fromRegisters(
client.read_discrete_inputs(202, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
d203 = BinaryPayloadDecoder.fromRegisters(
client.read_discrete_inputs(203, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
#Domoticz.Debug("Modbus response: v='" + str(i201) + "'")
except:
Domoticz.Error(
"Modbus TCP/IP communication error (discrete inputs). Check it out!"
)
try:
v1000 = BinaryPayloadDecoder.fromRegisters(
client.read_holding_registers(1000, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
v1001 = BinaryPayloadDecoder.fromRegisters(
client.read_holding_registers(1001, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
#v1008 = BinaryPayloadDecoder.fromRegisters(client.read_holding_registers(1008, 1), byteorder=Endian.Big, wordorder=Endian.Big).decode_16bit_int()
#v1009 = BinaryPayloadDecoder.fromRegisters(client.read_holding_registers(1009, 1), byteorder=Endian.Big, wordorder=Endian.Big).decode_16bit_int()
#v1012 = BinaryPayloadDecoder.fromRegisters(client.read_holding_registers(1012, 1), byteorder=Endian.Big, wordorder=Endian.Big).decode_16bit_int()
#v1013 = BinaryPayloadDecoder.fromRegisters(client.read_holding_registers(1013, 1), byteorder=Endian.Big, wordorder=Endian.Big).decode_16bit_int()
v1015 = BinaryPayloadDecoder.fromRegisters(
client.read_holding_registers(1015, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
v1016 = BinaryPayloadDecoder.fromRegisters(
client.read_holding_registers(1016, 1),
byteorder=Endian.Big,
wordorder=Endian.Big).decode_16bit_int()
#Domoticz.Debug("Modbus response: v='" + str(v1015) + "'")
except:
Domoticz.Error(
"Modbus TCP/IP communication error (holding registers). Check it out!"
)
# == Temperatures
Devices[self.uTU1].Update(0, str(i200 / 10))
Devices[self.uTU2].Update(0, str(i201 / 10))
Devices[self.uTEa].Update(0, str(i203 / 10))
Devices[self.uTEb].Update(0, str(i204 / 10))
# == IN1 & IN2
# I00205 Stav vstupu IN1 (0-10V): Analogový vstup: U= DATA/1000, Kontaktní vstup: rozepnuto ~ 3350 až 3450, sepnuto ~ do 20
# I00206 Stav vstupu IN2 (0-10V): Analogový vstup: U= DATA/1000, Kontaktní vstup: rozepnuto ~ 3350 až 3450, sepnuto ~ do 20
# kontakt: Statuses: Open: nValue = 1, Closed: nValue = 0
if self.uIN1 in Devices:
if self.atreaIN1type == "Contact":
Devices[self.uIN1].Update(int(not (i205 <= 50)), "")
elif Devices[self.uIN1].Type == 81:
# Humidity_status can be one of:
# 0=Normal 45~50, 55~60
# 1=Comfortable 50~55
# 2=Dry <45
# 3=Wet >60
if i205 < 4500: humstat = 2
elif i205 > 6000: humstat = 3
elif i205 >= 5000 and i205 <= 5500: humstat = 1
else: humstat = 0
Devices[self.uIN1].Update(int(i205 / 100), str(humstat))
else:
Devices[self.uIN1].Update(int(i205 / 100), str(i205 / 100))
if self.uIN2 in Devices:
if self.atreaIN2type == "Contact":
Devices[self.uIN2].Update(int(not (i206 <= 50)), "")
elif Devices[self.uIN2].Type == 81:
if i206 < 4500: humstat = 2
elif i206 > 6000: humstat = 3
elif i206 >= 5000 and i206 <= 5500: humstat = 1
else: humstat = 0
Devices[self.uIN2].Update(int(i206 / 100), str(humstat))
else:
Devices[self.uIN2].Update(int(i206 / 100), str(i206 / 100))
# == D1 & D2 & D3 & D4
# D00200 Stav vstupu D1 : 0/1 : Vypnuto/Zapnuto
# D00201 Stav vstupu D2 : 0/1 : Vypnuto/Zapnuto
# D00202 Stav vstupu D3 : 0/1 : Vypnuto/Zapnuto
# D00203 Stav vstupu D4 : 0/1 : Vypnuto/Zapnuto
if self.uD1 in Devices: Devices[self.uD1].Update(int(d200 == 1), "")
if self.uD2 in Devices: Devices[self.uD2].Update(int(d201 == 1), "")
if self.uD3 in Devices: Devices[self.uD3].Update(int(d202 == 1), "")
if self.uD4 in Devices: Devices[self.uD4].Update(int(d203 == 1), "")
# == ZVT
# C00207 0 = ZVT
if self.uZVT in Devices: Devices[self.uZVT].Update(int(c207 == 0), "")
# == Bypass
# C00211 1 = Bypass flap
if self.uBypass in Devices:
Devices[self.uBypass].Update(int(c211 == 1), "")
# == Heating season
# C01200 1 = heating, 0 = non-heating
if self.uHeatingSeason in Devices:
Devices[self.uHeatingSeason].Update(int(c1200 == 1), "")
# == Nightly Cooling
# C00902 0 = recuperation, 1 = cooling
if self.uNightlyCooling in Devices:
Devices[self.uNightlyCooling].Update(int(c902 == 1), "")
# == ControlMode
if v1015 == 2 or v1016 == 2:
Devices[self.uControlMode].Update(1, str(30))
elif v1015 == 1 or v1016 == 1:
Devices[self.uControlMode].Update(0, str(10))
else:
Devices[self.uControlMode].Update(0, str(20))
# == PowerReq
# H01009 Nastavení požadovaného výkonu, pokud H01016=1, 0 = Vyp, 12=12%,..., 100 = 100%
# H01013 Nastavení požadovaného výkonu, pokud H01016=0/2, 0 = Vyp, 12=12%,..., 100 = 100%
#if (v1016 == 1): Devices[self.uPowerReq].Update(int(int(v1009) >= 10), str(self._powerPercentToDomoticzValue(v1009)))
#elif (v1016 == 2): Devices[self.uPowerReq].Update(int(int(v1013) >= 10), str(self._powerPercentToDomoticzValue(v1013)))
#elif (v1016 == 0): Devices[self.uPowerReq].Update(int(int(v1001) >= 10), str(self._powerPercentToDomoticzValue(v1001)))
# == PowerCur
# "0|60|90|120|150|180|240|300"
Devices[self.uPowerCur].Update(
int(int(v1001) >= 10),
str(self._powerPercentToDomoticzValue(v1001)))
# == ModeReq "Vypnuto | Periodické větrání | Větrání"
# H01008 Nastavení požadovaného režimu, pokud H01015=1, 0 = Periodické větrání, 1 = Větrání
# H01012 Nastavení požadovaného režimu, pokud H01015= 0/2, 0 = Vypnuto, 1 = Periodické větrání, 2 = Větrání
#if (v1015 == 1):
# if v1008 == 0: Devices[self.uModeReq].Update(1, str(10))
# elif v1008 == 1: Devices[self.uModeReq].Update(1, str(20))
#elif (v1015 == 2):
# if v1012 == 0: Devices[self.uModeReq].Update(1, str(10))
# elif v1012 == 1: Devices[self.uModeReq].Update(1, str(20))
#elif (v1015 == 0):
# if v1000 == 0: Devices[self.uModeReq].Update(1, str(10))
# elif v1000 == 1: Devices[self.uModeReq].Update(1, str(20))
# == ModeCur
# "|Periodické větrání|Větrání|Čidlo vlhkosti|IN2|D1|D2|Koupelny+WC|Odsavač kuchyň|Náběh|Doběh|Odmrazování rekuperátoru"
if (v1000 == 0):
Devices[self.uModeCur].Update(int(int(v1001) >= 10), str(10))
elif (v1000 == 1):
Devices[self.uModeCur].Update(int(int(v1001) >= 10), str(20))
elif (v1000 == 10):
Devices[self.uModeCur].Update(1, str(30))
elif (v1000 == 11):
Devices[self.uModeCur].Update(1, str(40))
elif (v1000 == 12):
Devices[self.uModeCur].Update(1, str(50))
elif (v1000 == 13):
Devices[self.uModeCur].Update(1, str(60))
elif (v1000 == 14):
Devices[self.uModeCur].Update(1, str(70))
elif (v1000 == 15):
Devices[self.uModeCur].Update(1, str(80))
elif (v1000 == 20):
Devices[self.uModeCur].Update(1, str(90))
elif (v1000 == 21):
Devices[self.uModeCur].Update(1, str(100))
elif (v1000 == 22):
Devices[self.uModeCur].Update(1, str(110))
# == Filter alarm from XML via HTTP
try:
bChangedFilter = True
timeOfChange = 0
xml = xmltodict.parse(
requests.get("http://" + str(self.TCP_IP) +
"/config/alarms.xml").content)
for i in xml['root']['errors']['i']:
if int(i['@i']) == 100:
bChangedFilter = int(i['@p']) == 1
timeOfChange = i['@t']
dtOfChange = datetime.fromtimestamp(int(timeOfChange))
if bChangedFilter:
Devices[self.uAlarmFilter].Update(
1,
self._("Filter last changed") + ": " + str(dtOfChange))
else:
Devices[self.uAlarmFilter].Update(
4,
self._("Filter to change since") + ": " + str(dtOfChange))
except:
Domoticz.Error(
"Failed to get or process XML via HTML to get state of filter alarm."
)
return
class Device():
def __init__(self, host, port, timeout, byteorder=BE):
# big_endian : Byte order of the device memory structure
# True >> big endian
# False >> little endian
if byteorder == BE:
self.big_endian=True
else:
self.big_endian=False
self.dev = ModbusClient()
self.dev.host(host)
self.dev.port(port)
self.dev.timeout(timeout)
self.dev.open()
#self.dev.debug = True
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ READ METHODS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
#Method to read binary variable
def read_bits(self, VarNameList, AddressList, functioncode=2):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# functioncode : functioncode for modbus reading operation
# 1 >> for Discrete Output (Coils)
# 2 >> for Discrete Input
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 1:
for address in AddressList:
self.values.extend(self.dev.read_coils(address[0], len(address)))
elif functioncode == 2:
for address in AddressList:
self.values.extend(self.dev.read_discrete_inputs(address[0], len(address)))
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read INT16 or UINT16 variable
def read_INT16(self, VarNameList, AddressList, MultiplierList, signed=False, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# signed : True >> for signed values
# False >> for unsigned values
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
if signed:
self.values = UINT16toINT16(self.values)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i],roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read INT32 or UINT32 variable
def read_INT32(self, VarNameList, AddressList, MultiplierList, signed=False, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# signed : True >> for signed values
# False >> for unsigned values
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
self.values = UINT16toINT32(self.values, self.big_endian, signed)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i], roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read INT64 or UINT64 variable
def read_INT64(self, VarNameList, AddressList, MultiplierList, signed=False, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# signed : True >> for signed values
# False >> for unsigned values
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
self.values = UINT16toINT64(self.values, self.big_endian, signed)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i], roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read FLOAT16 variable
def read_FLOAT16(self, VarNameList, AddressList, MultiplierList, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
self.values = UINT16toFLOAT16(self.values)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i], roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read FLOAT32 variable
def read_FLOAT32(self, VarNameList, AddressList, MultiplierList, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
self.values = UINT16toFLOAT32(self.values, self.big_endian)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i], roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read FLOAT64 variable
def read_FLOAT64(self, VarNameList, AddressList, MultiplierList, roundto=3, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# MultiplierList : list of multiplier
# roundto : number of digits after decimal point
# any positive integer number >> to limit the number of digits after decimal point
# None >> to disable
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
self.values.extend(self.dev.read_holding_registers(address[0],len(address)))
elif functioncode == 4:
for address in AddressList:
self.values.extend(self.dev.read_input_registers(address[0],len(address)))
self.values = UINT16toFLOAT64(self.values, self.big_endian)
for i in range(0, len(self.values)):
self.values[i] = round(self.values[i]*MultiplierList[i], roundto)
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#Method to read STRING variable
def read_STRING(self, VarNameList, AddressList, functioncode=3):
# Arguments:
# VarNameList : list of variable name
# AddressList : list of variable register address in decimal (relative address)
# functioncode : functioncode for modbus reading operation
# 3 >> for Holding Register
# 4 >> for Input Register
# Return : dictionary of variable name and its value
self.values = []
if functioncode == 3:
for address in AddressList:
_uint16Val = self.dev.read_holding_registers(address[0],len(address))
self.values.append(UINT16toSTRING(_uint16Val, self.big_endian))
elif functioncode == 4:
for address in AddressList:
_uint16Val = self.dev.read_input_registers(address[0],len(address))
self.values.append(UINT16toSTRING(_uint16Val, self.big_endian))
self.Result = dict(zip(VarNameList, self.values))
return self.Result
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ WRITE METHODS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#
# Method to write binary value on discrete output register (Coil)
def write_bit(self, registerAddress, value):
# Arguments:
# registerAddress : register address in decimal (relative address)
# value : 0 or 1
self.dev.write_single_coil(registerAddress, value)
# Method to write numeric value on holding register
def write_num(self, registerAddress, value, valueType):
# Arguments:
# registerAddress : register START address in decimal (relative address)
# value : numerical value
# valueType : UINT16, UINT32, UINT64, INT16, INT32, INT64, FLOAT16,
# FLOAT32, FLOAT64, STRING
startAddress = registerAddress
val = None
if valueType == UINT16:
val = [value]
elif valueType == INT16:
val = INT16toUINT16([value])
elif valueType == UINT32:
val = INT32toUINT16(value, self.big_endian, signed=False)
elif valueType == INT32:
val = INT32toUINT16(value, self.big_endian, signed=True)
elif valueType == UINT64:
val = INT64toUINT16(value, self.big_endian, signed=False)
elif valueType == INT64:
val = INT64toUINT16(value, self.big_endian, signed=True)
elif valueType == FLOAT16:
val = FLOAT16toUINT16([value])
elif valueType == FLOAT32:
val = FLOAT32toUINT16(value, self.big_endian)
elif valueType == FLOAT64:
val = FLOAT64toUINT16(value, self.big_endian)
elif valueType == STRING:
val = STRINGtoUINT16(value, self.big_endian)
# write multiple registers
self.dev.write_multiple_registers(startAddress, val)
def close(self):
self.dev.close()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import time
# min_read_bit
# minimal code for read 10 bits on IPv4 192.168.0.200 and print result on stdout
from pyModbusTCP.client import ModbusClient
c = ModbusClient(host="192.168.0.200", auto_open=True)
while True:
# read 10 bits at address 20480
bits = c.read_coils(20480, 10)
print("bit ad #0 to 9: "+str(bits) if bits else "read error")
# sleep 2s
time.sleep(2)
# Taken from https://stackoverflow.com/a/16444786/4504053
binary_string = bin(struct.unpack('!i', struct.pack('!f', num))[0])
return [True if x == '1' else False for x in binary_string]
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG)
SERVER_HOST = '10.72.21.89'
SERVER_PORT = 5020
logging.debug('Open connection to {}:{}'.format(SERVER_HOST, SERVER_PORT))
client = ModbusClient(host=SERVER_HOST, port=SERVER_PORT, auto_open=True)
logging.debug('Send gyro data')
# plyer.gyroscope.enable()
# x, y, z = plyer.gyroscope.orientation
# plyer.gyroscope.disable()
x, y, z = 1, 0.1, -0.1
address_offset = 1
for data in (x, y, z):
logging.debug('Sending value: {}'.format(data))
binary_data = number_to_array_bits(data)
logging.debug('Data length: {}'.format(len(binary_data)))
rr = client.write_multiple_registers(address_offset, binary_data)
address_offset += len(binary_data)
bits = client.read_coils(1, 32)
logging.debug('Reading data from slave: {}'.format(bits))
logging.debug('Script complete.')
import time
SERVER_HOST = "localhost"
SERVER_PORT = 502
c = ModbusClient()
# uncomment this line to see debug message
#c.debug(True)
# define modbus server host, port
c.host(SERVER_HOST)
c.port(SERVER_PORT)
while True:
# open or reconnect TCP to server
if not c.is_open():
if not c.open():
print("unable to connect to "+SERVER_HOST+":"+str(SERVER_PORT))
# if open() is ok, read coils (modbus function 0x01)
if c.is_open():
# read 10 bits at address 0, store result in regs list
bits = c.read_coils(0, 10)
# if success display registers
if bits:
print("bit ad #0 to 9: "+str(bits))
# sleep 2s before next polling
time.sleep(2)
