def jobModbusTCP():
global master
if hendl:
timeNow.delete('1.0', END)
timeNow.insert(1.0, time.strftime('%d-%m-%Y %H:%M:%S'))
try:
jobCi()
except:
print 'jobModbusTCP CI No connection'
master = modbus_tcp.TcpMaster(host=slaveIP, port=int(slavePort))
master.set_timeout(5.0)
try:
jobDi()
except:
print 'jobModbusTCP DI No connection'
master = modbus_tcp.TcpMaster(host=slaveIP, port=int(slavePort))
master.set_timeout(5.0)
try:
jobAi()
except Exception, e:
print 'jobModbusTCP AI No connection', e
master = modbus_tcp.TcpMaster(host=slaveIP, port=int(slavePort))
master.set_timeout(5.0)
root.update()
def testGarbageData(self):
"""Send Garbage data and make sure that it doesn't kill everything"""
slave1 = self.server.add_slave(1)
slave1.add_block("c0-100", modbus_tk.defines.COILS, 0, 100)
self.server.set_verbose(True)
self.server.start()
time.sleep(1.0)
master1 = modbus_tcp.TcpMaster()
master2 = modbus_tcp.TcpMaster()
master1.open()
master2.open()
master1._send("hello world!")
result = master2.execute(1,
modbus_tk.defines.WRITE_SINGLE_COIL,
0,
output_value=1)
self.assertEqual((0, int("ff00", 16)), result)
values = slave1.get_values("c0-100", 0, 1)
self.assertEqual((1, ), values)
master1.close()
master2.close()
def __init__(self, protocol, address, id, db):
if protocol == "tcp":
try:
(host, port) = address.split(":")
self.modbus = modbus_tcp.TcpMaster(str(host), int(port))
except:
self.modbus = modbus_tcp.TcpMaster(address)
self.modbus.set_timeout(5.0)
elif protocol == "rtu":
if SERIAL:
args = unicode(address).split(',')
kwargs = {}
for a in args:
key, val = a.split(':')
if key == 'port':
try:
serial_port = int(val)
except:
serial_port = val
else:
kwargs[key] = val
try:
try:
s = SERIAL_PORTS[serial_port]
except IndexError:
SERIAL_PORTS[serial_port] = s = serial.Serial(
port=serial_port, **kwargs)
self.modbus = modbus_rtu.RtuMaster(s)
except Exception, msg:
raise Exception("Protocol {0} error! {1}".format(
protocol, msg))
else:
raise Exception("Protocol {0} is disabled!".format(protocol))
def device_0(f=1):
devHost = '127.0.0.1'
devPort = int('502')
master=modbus_tcp.TcpMaster(host=devHost, port=devPort)
master.set_timeout(1)
while True:
try:
time.sleep(1)
gc.collect()
READ_COILS(master,1,0,'CI0')
time.sleep(0.1)
READ_DISCRETE_INPUTS(master,1,0,'DI0')
time.sleep(0.1)
WRITE_SINGLE_COIL(master,1,0,'TU0')
time.sleep(0.1)
READ_HOLDING_REGISTERS(master,1,0,1,0.1,'HR0','uInt')
time.sleep(0.1)
except Exception as e:
print('TCP Error ', devHost,e)
try:
print('Try tcp connect ')
master=modbus_tcp.TcpMaster(host=devHost, port=devPort)
master.set_timeout(1)
except Exception as e:
print('Try tcp connect error',e)
pass
pass
def checkSingleDevice(deviceid, deviceinfo):
# global count
global ps_conf_dict
count = 0
threadId = deviceid
global stop_flag_file
localLogger.info("current device is [" + deviceid + ']:' + str(deviceinfo))
MASTER = modbus_tcp.TcpMaster(host="127.0.0.1", port=12600)
# localLogger.info("current device is [" + deviceId + '][m_t_ip]:' + str(type(deviceInfo["m_t_ip"])) )
# localLogger.info("current device is [" + deviceId + '][m_t_port]:' + str(type(deviceInfo["m_t_port"])))
MASTER = modbus_tcp.TcpMaster(host=deviceinfo["m_t_ip"],
port=deviceinfo["m_t_port"])
MASTER.set_timeout(5.0)
# while not os.path.exists(stop_flag_file):
# cursor = pymysql.connect(host=ps_conf_dict["mysql"]["host"], user=ps_conf_dict["mysql"]["user"],
# password=ps_conf_dict["mysql"]["password"], db=ps_conf_dict["mysql"]["db"],
# port=ps_conf_dict["mysql"]["port"]).cursor(cursor=pymysql.cursors.DictCursor)
conn = pymysql.connect(host=ps_conf_dict["mysql"]["host"],
user=ps_conf_dict["mysql"]["user"],
password=ps_conf_dict["mysql"]["password"],
db=ps_conf_dict["mysql"]["db"],
port=ps_conf_dict["mysql"]["port"])
cursor = conn.cursor()
while True:
if os.path.exists(stop_flag_file):
break
localLogger.info(count)
# localLogger.info()
localLogger.info("current device is [" + deviceid + ']:' + str(count))
localLogger.info("current device is [" + deviceid + '][m_t_address]:' +
str(deviceinfo["m_t_address"]))
localLogger.info("current device is [" + deviceid + '][m_t_lenght]:' +
str(deviceinfo["m_t_lenght"]))
count = count + 1
# value=MASTER.execute(1, cst.READ_HOLDING_REGISTERS, 0, 1)
LOGGER.info(
MASTER.execute(1, cst.READ_HOLDING_REGISTERS,
deviceinfo["m_t_address"],
deviceinfo["m_t_lenght"]))
current_value = MASTER.execute(1, cst.READ_HOLDING_REGISTERS,
deviceinfo["m_t_address"],
deviceinfo["m_t_lenght"])[0]
rtn = cursor.execute(
"insert into e_data(s_id, input_time, value) VALUES(%s, %s, %s)",
(deviceid, time.gmtime(time.time()), int(current_value)))
conn.commit()
#print(rtn)
# LOGGER.info(MASTER.execute(1, cst.READ_HOLDING_REGISTERS, 4, 14))
time.sleep(ps_conf_dict["common"]["checkInterval"])
def main():
master = modbus_tcp.TcpMaster(host='192.168.0.202', port=502)
master.set_timeout(5.0)
master.set_verbose(True)
#r = master.execute(1, cst.READ_COIL_REGISTERS, 0, 10)
r = master.execute(1, 3, 0, 10)
print(r)
def test_write_read_coils(self):
"""
Objective: Test if we can change values using the modbus protocol.
"""
master = modbus_tcp.TcpMaster(
host="127.0.0.1", port=self.modbus_server.server_port
)
master.set_timeout(1.0)
set_bits = [1, 0, 0, 1, 0, 0, 1, 1]
# write 8 bits
master.execute(
slave=self.target_slave_id,
function_code=cst.WRITE_MULTIPLE_COILS,
starting_address=1,
output_value=set_bits,
)
# read 8 bit
actual_bit = master.execute(
slave=self.target_slave_id,
function_code=cst.READ_COILS,
starting_address=1,
quantity_of_x=8,
)
self.assertSequenceEqual(set_bits, actual_bit)
def test_read_coils(self):
"""
Objective: Test if we can extract the expected bits from a slave using the modbus protocol.
"""
self.databus.set_value(
"memoryModbusSlave%dBlockA" % self.target_slave_id,
[1 for b in range(0, 128)],
)
# create READ_COILS request
master = modbus_tcp.TcpMaster(
host="127.0.0.1", port=self.modbus_server.server_port
)
master.set_timeout(1.0)
actual_bits = master.execute(
slave=self.target_slave_id,
function_code=cst.READ_COILS,
starting_address=1,
quantity_of_x=128,
)
# the test template sets all bits to 1 in the range 1-128
expected_bits = [1 for b in range(0, 128)]
self.assertSequenceEqual(actual_bits, expected_bits)
def test_modbus_logging(self):
"""
Objective: Test if modbus generates logging messages as expected.
Expected output is a dictionary with the following structure:
{'timestamp': datetime.datetime(2013, 4, 23, 18, 47, 38, 532960),
'remote': ('127.0.0.1', 60991),
'data_type': 'modbus',
'session_id': '01bd90d6-76f4-43cb-874f-5c8f254367f5',
'data': {0: {'function_code': 1, 'slave_id': 1, 'request': '0100010080', 'response': '0110ffffffffffffffffffffffffffffffff'}}}
"""
master = modbus_tcp.TcpMaster(host='127.0.0.1',
port=self.modbus_server.server_port)
master.set_timeout(1.0)
#issue request to modbus server
master.execute(slave=1,
function_code=cst.READ_COILS,
starting_address=1,
quantity_of_x=128)
#extract the generated logentry
log_item = self.log_queue.get(True, 2)
#self.assertIn('timestamp', log_item)
self.assertIsInstance(log_item['timestamp'], datetime)
#we expect session_id to be 36 characters long (32 x char, 4 x dashes)
self.assertTrue(len(log_item['session_id']), log_item)
self.assertEqual('127.0.0.1', log_item['remote'][0])
self.assertEquals('modbus', log_item['data_type'])
#testing the actual modbus data
self.assertEquals('0100010080', log_item['data'][0]['request'])
self.assertEquals('0110ffffffffffffffffffffffffffffffff',
log_item['data'][0]['response'])
def __init__(self):
super(MainWin, self).__init__()
self.setupUi(self)
self.ip_line.setText("192.168.1.5")
self.ip_key.clicked.connect(self.ip_connect)
self.path1 = 'C:/Caron Engineering/up_picture'
self.path2 = 'C:/Caron Engineering/down_picture'
self.photoPath = "C:/Caron Engineering/momotest.jpg"
self.cap = cv2.VideoCapture()
self.cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 5000)
self.cap.set(cv2.CAP_PROP_FRAME_WIDTH, 5000)
self.h = self.cap.get(cv2.CAP_PROP_FRAME_HEIGHT)
self.w = self.cap.get(cv2.CAP_PROP_FRAME_WIDTH)
self.cap.read()
self.HmiWin = HmiWin()
self.HmiWin.len_choose_key.clicked.connect(self.len_choose_met)
self.HmiWin.hz_choose_key.clicked.connect(self.hz_choose_met)
self.HmiWin.auto_key.clicked.connect(self.auto_start_met)
self.HmiWin.hold_key.clicked.connect(self.auto_hold_met)
self.HmiWin.run_key.clicked.connect(self.run_met)
self.HmiWin.next_key.clicked.connect(self.next_met)
self.HmiWin.rst_key.clicked.connect(self.rst_met)
self.HmiWin.zrn_key.clicked.connect(self.zrn_met)
self.HmiWin.signal.connect(self.hmi_close_thread) # 槽函数的使用
self.showPhoto = QPixmap(self.photoPath)
self.HmiWin.D_key1.clicked.connect(self.diameter_met1)
self.HmiWin.D_key2.clicked.connect(self.diameter_met2)
self.HmiWin.H_key1.clicked.connect(self.height_met1)
self.HmiWin.H_key2.clicked.connect(self.height_met2)
self.HmiWin.ok_key.clicked.connect(self.ok_met)
self.diameter1 = 2.98
self.diameter2 = 2.98
self.height1 = 10.0
self.height2 = 10.0
self.T1 = GetPlcDateTread(self)
self.T2 = GetCmmDateTread(self)
self.T3 = ZrnWaitTread(self)
self.T4 = MiscolorTread(self)
self.T5 = AutoCompareTread(self)
self.master = modbus_tcp.TcpMaster(host=self.ip_line.text(), port=502)
self.statusTcp = False
self.len_choose_flag = False
self.length_int = 0
self.hz_choose_flag = False
self.hz_int = 0
self.auto_start_flag = False
self.baseValue = 0
self.status = 0
self.HOST = 'localhost' # 主机地址
self.PORT = 1088 # 端口号
self.ADDR = (self.HOST, self.PORT) # 链接地址
self.BUFSIZ = 2048 # 缓存区大小，单位是字节，这里设定了2K的缓冲区
self.PLC_MAX_VER = 1
self.PLC_REQ_MAGIC = 0xC0FEED0C
self.PLC_RESP_MAGIC = 0xC0FEED0D
self.tcpCliSock = socket(AF_INET, SOCK_STREAM) # 创建一个TCP套接字
def __init__(self, host, port=502, timeout_in_sec=5.0):
self.host = host
self.port = port
self.timeout_in_sec = timeout_in_sec
self.client = modbus_tcp.TcpMaster(host, port, timeout_in_sec)
self.client.open()
logging.info(str(self))
def run(self, *arg, **kwarg):
'''
:param apply_interface: 采集驱动任务(Modbus TCP) 建立连接的条件
:param apply_template: 采集驱动任务(Modbus TCP) 设备模板
:return: while 循环 break 条件驱动状态 缓存在redis
'''
# print("arg:", arg)
# print("kwarg:", kwarg)
apply_interface = kwarg["apply_interface"]
apply_template = kwarg["apply_template"]
self.key = apply_interface["apply_tcp_device"]
self.cls = get_subdevicedata_model(self.key)
print("start modbus tcp drive ", self.key)
try:
master = modbus_tcp.TcpMaster(
host=apply_interface["apply_tcp_ip"],
port=int(apply_interface["apply_tcp_port"]),
timeout_in_sec=float(apply_interface["apply_tcp_timeout"]))
var_list = self.init_val(apply_template,
int(apply_interface["apply_tcp_slave"]))
self.loop_start(var_list, master,
float(apply_interface["apply_tcp_cycle"]))
print("end modbus tcp drive ", self.key)
except Exception as e:
print(e)
finally:
if 'master' in locals().keys():
master.close()
self.conn.hset(self.key, "drive_enable", 0)
def testSeveralClients(self):
"""check that the server can serve 15 clients in parallel"""
masters = [modbus_tcp.TcpMaster(timeout_in_sec=5.0)] * 15
slave = self.server.add_slave(1)
q = Queue.Queue()
slave.add_block("a", modbus_tk.defines.HOLDING_REGISTERS, 0, 100)
slave.set_values("a", 0, range(100))
self.server.start()
time.sleep(1.0)
def read_vals(master):
try:
for i in xrange(100):
result = master.execute(
1, modbus_tk.defines.READ_HOLDING_REGISTERS, 0, 100)
if result != tuple(range(100)):
q.put(1)
time.sleep(0.1)
except Exception, msg:
LOGGER.error(msg)
q.put(1)
def read_power_meter():
#mb_port = serial.Serial(port=mbComPort, baudrate=baudrate, bytesize=databit, parity=parity, stopbits=stopbit)
master = modbus_tcp.TcpMaster('192.168.43.181',
502) #modbus_rtu.RtuMaster(mb_port)
master.set_timeout(mbTimeout / 1000.0)
mbId = 4
#[0x1000-0x1001]=VIn_a
addr = 0x1000 #4096
v_a = None
try:
# FC3
rr = master.execute(mbId, cst.READ_INPUT_REGISTERS, addr, 4)
print('read value:', rr)
# convert to float:
# IEEE754 ==> (Hi word Hi Bite, Hi word Lo Byte, Lo word Hi Byte, Lo word Lo Byte)
try:
v_a_hi = rr[1]
v_a_lo = rr[0]
v_a = unpack('>f', pack('>HH', v_a_hi, v_a_lo))
print('v_a=', v_a)
except Exception as e: #Exception, e:
print(e)
except Exception as e: #Exception, e:
print("modbus test Error: " + str(e))
master._do_close()
if v_a == None:
v_a = None
else:
v_a = v_a[0]
return v_a
def control_light(status):
gate_adr = '192.168.0.201'
gate_adr = '192.168.0.200'
gate_adr = '101.86.93.63'
gate_port = 502
count = 0
sleep_time = 0.1
control_adr = 16
control_channel = 0
control_channel = 1
#Connect to the slave
#master = modbus_tcp.TcpMaster(host='192.168.0.7', port=502)
master = modbus_tcp.TcpMaster(host= gate_adr, port = gate_port)
master.set_timeout(5.0)
#this is the api to control the relay
#control_channel, there are totally two relays, 0 and 1
#the last parameter is the status of the relay, 0 means open, 1 means close
if status=='close':
master.execute(control_adr, cst.WRITE_SINGLE_COIL, control_channel, 1, 1) #close channel 1
else:
master.execute(control_adr, cst.WRITE_SINGLE_COIL, control_channel, 1, 0) #open channel 1
control_status = master.execute(control_adr, cst.READ_COILS, control_channel, 1 )
time.sleep(sleep_time)
return control_status[0]
def __init__(self, name, device_cfg, control_cfg):
self.name = name
self.EL = EventLogger(name)
self.EL.info("STARTING")
with open(control_cfg, 'r') as control_cfg:
self.control_cfg = yaml.safe_load(control_cfg)
with open(device_cfg, 'r') as device_cfg:
self.device_cfg = yaml.safe_load(device_cfg) # Load config file to interact with Modbus device
self.mode = "GridConnect"
# self.control = MicrogridControl.MicrogridControl(logger=self.logger,
# dvc=self.dvc,
# ctrl_cfg=self.control_cfg,
# mode=self.mode)
self.modbus_devices = list(self.device_cfg.keys())
self.dvc = self.device_cfg[self.modbus_devices[0]]
self.slave = self.dvc['Slave']
addr = self.dvc['Address']
port = self.dvc['Port']
self.debugMode = self.dvc["debugMode"]
if self.debugMode:
print(f"addr: {addr}\n"
f"port: {port}")
self.master = modbus_tcp.TcpMaster(addr, port)
def get_data(ip_address, port, slave_id, device_name, measurement_suffix):
"""Instrument function for pyranometers from Inavitas system.
Args:
* ip_address (str) : ip address of the TCP device
* port (int) : port
* slave_id (int) : modbus slave id of the device
* device_name (string) : name of device to include in json
Modbus Addresses of the device are as follows:
== READ 1 ==
6 Irradiation 1 uint16 1
"""
#Start timer to test for execution time
start_time = time.time()
#Prepare the modbus stack
masterTCP = modbus_tcp.TcpMaster(host=ip_address,port=port)
masterTCP.set_timeout(MODBUS_TIMEOUT)
masterTCP.set_verbose(True)
#Set logging
log.debug('Module: %s - Driver: %s - Reading device %s:%s', DRIVER_NAME, device_name, ip_address,port)
#Create an ordered list to store the values
values = OrderedDict()
#Append devicename and timestamp for InfluxDB
values['Device_Name'] = device_name
values['Measurement_Suffix'] = measurement_suffix
values['Date'] = get_timestamp_for_influxdb()
# Read first part
x = 0
while x < TRY_AMOUNT:
try:
read1 = masterTCP.execute(slave_id, cst.READ_HOLDING_REGISTERS, 6, 1)
log.debug('Module: %s - Read 1 Successful : %s - %s:%s - TRIES:%s', DRIVER_NAME, device_name, ip_address, port, x)
x = TRY_AMOUNT
except Exception as e:
log.error('Module: %s - Read 1 Error : %s - %s:%s - TRIES:%s', DRIVER_NAME, device_name, ip_address, port, x)
x += 1
time.sleep(3)
if not "read1" in locals():
log.error('Modbus Scan Failed (Read1) : %.4f (DRIVER: %s - DEVICE: %s - UNIT: %s:%s)',(time.time() - start_time),DRIVER_NAME, device_name, ip_address, port)
return False
#Parse the data for read 1
values['Irradiation'] = float(signed(read1[0])) / 1
#Dont send a negative irradiation
if values['Irradiation'] < 0:
values['Irradiation'] = float(0.0)
log.debug('Modbus Scan Completed in : %.4f (DRIVER: %s - DEVICE: %s - UNIT: %s:%s)',(time.time() - start_time),DRIVER_NAME, device_name, ip_address, port)
return values
def rw_device(self, rw="r", var_value=None):
value = {}
m = modbus_tcp.TcpMaster(self.commif)
m.set_timeout(1)
if rw == "r":
try:
# 缺省参数的时候
if not var_value or\
'StartingAddress' not in var_value\
or 'Quantity' not in var_value:
var_value = {'StartingAddress': 0, 'Quantity': 10}
md = m.execute(int(self.addr), cst.READ_HOLDING_REGISTERS,
var_value['StartingAddress'],
var_value['Quantity'])
value.update({'modbus_value': md})
self._debug(r'the device value is %r' % value)
except Exception as e:
self._debug(e)
value.update({'error': str(e)})
else:
try:
md = m.execute(int(self.addr), cst.WRITE_MULTIPLE_REGISTERS,
var_value['StartingAddress'],
var_value['Quantity'], var_value['value'])
value.update({'write_result': md})
self._debug(r'write device result is %r' % value)
except Exception as e:
self._debug(e)
value.update({'error': e})
return value
def main():
master = modbus_tcp.TcpMaster(host='192.168.0.202', port=502)
master.set_timeout(5.0)
master.set_verbose(True)
print('connected')
r = master.execute(1, cst.READ_HOLDING_REGISTERS, 0, 10)
print(r)
def testConnectionErrorNoTimeoutDefined(self):
"""Check that an error is raised on connection error"""
master = modbus_tcp.TcpMaster()
try:
master.open()
except socket.error, message:
return
def testSeveralClients(self):
"""check that the server can serve 15 clients in parallel"""
masters = [modbus_tcp.TcpMaster(timeout_in_sec=5.0)] * 15
slave = self.server.add_slave(1)
q = Queue.Queue()
slave.add_block("a", modbus_tk.defines.HOLDING_REGISTERS, 0, 100)
slave.set_values("a", 0, range(100))
self.server.start()
time.sleep(1.0)
def read_vals(master):
try:
for i in range(100):
result = master.execute(1, modbus_tk.defines.READ_HOLDING_REGISTERS, 0, 100)
if result != tuple(range(100)):
q.put(1)
time.sleep(0.1)
except Exception as msg:
LOGGER.error(msg)
q.put(1)
threads = []
for m in masters:
threads.append(threading.Thread(target=read_vals, args=(m, )))
for t in threads: t.start()
LOGGER.debug("all threads have been started")
for t in threads: t.join()
LOGGER.debug("all threads have done")
self.assert_(q.empty())
def __init__(self, host, port=502):
import modbus_tk.modbus_tcp as modbus_tcp
self._unit = 1
self._master = modbus_tcp.TcpMaster(host, port)
super(PACx200, self).__init__()
def test_modbus_logging(self):
"""
Objective: Test if modbus generates log messages as expected.
Expected output is a dictionary with the following structure:
{'timestamp': datetime.datetime(2013, 4, 23, 18, 47, 38, 532960),
'remote': ('127.0.0.1', 60991),
'data_type': 'modbus',
'id': '01bd90d6-76f4-43cb-874f-5c8f254367f5',
'data': {'function_code': 1,
'slave_id': 1,
'request': '0100010080',
'response': '0110ffffffffffffffffffffffffffffffff'}}
"""
self.databus.set_value(
"memoryModbusSlave%dBlockA" % self.target_slave_id,
[1 for b in range(0, 128)],
)
master = modbus_tcp.TcpMaster(
host="127.0.0.1", port=self.modbus_server.server_port
)
master.set_timeout(1.0)
# issue request to modbus server
master.execute(
slave=self.target_slave_id,
function_code=cst.READ_COILS,
starting_address=1,
quantity_of_x=128,
)
# extract the generated log entries
log_queue = conpot_core.get_sessionManager().log_queue
conn_log_item = log_queue.get(True, 2)
conn_expected_payload = {"type": "NEW_CONNECTION"}
self.assertDictEqual(conn_expected_payload, conn_log_item["data"])
modbus_log_item = log_queue.get(True, 2)
self.assertIsInstance(modbus_log_item["timestamp"], datetime)
self.assertTrue("data" in modbus_log_item)
# we expect session_id to be 36 characters long (32 x char, 4 x dashes)
self.assertTrue(len(str(modbus_log_item["id"])), modbus_log_item)
self.assertEqual("127.0.0.1", modbus_log_item["remote"][0])
self.assertEqual("modbus", modbus_log_item["data_type"])
req = (
"000100000006%s0100010080" % ("01" if self.target_slave_id == 1 else "ff")
).encode()
# testing the actual modbus data
modbus_expected_payload = {
"function_code": 1,
"slave_id": self.target_slave_id,
"request": req,
"response": b"0110ffffffffffffffffffffffffffffffff",
}
self.assertDictEqual(modbus_expected_payload, modbus_log_item["data"])
def write_Signle_Query(self,UID,function_Code,start_Address,write_Value):
try:
## Connects to the slave
master = modbus_tcp.TcpMaster(host=self.target_Address,port=self.target_port)
response=master.execute(UID,function_Code,start_Address,output_value=write_Value)
except modbus_tk.modbus.ModbusError as exc:
print "%s- Code=%d"%(exc, exc.get_exception_code())
return response
def Modbus_Client_Open(self , port):
print("----- Modbus_Client_Open() -----")
print("Connect to Modbus TCP IP : %s" %(str(self.modbus_server_ip)))
print("Connect to Modbus TCP Port : %s" %(str(port)))
# SOCK_STREAM : TCP/IP
self.socketClient = modbus_tcp.TcpMaster(host=str(self.modbus_server_ip),port=int(port))
self.socketClient.set_timeout(5.0)
def read_Query(self,UID,function_Code,start_Address,number_Registers):
try:
## Connects to the slave
master = modbus_tcp.TcpMaster(host=self.target_Address,port=self.target_port)
## Executes the command
response=master.execute(UID,function_Code,start_Address,number_Registers)
except modbus_tk.modbus.ModbusError as exc:
print "%s- Code=%d"%(exc, exc.get_exception_code())
return response
def main():
"""main"""
logger = modbus_tk.utils.create_logger("console", level=logging.DEBUG)
def on_after_recv(data):
logger.info(data)
master, bytes_data = data
# logger.info(bytes_data)
# logger.info(master)
hooks.install_hook('modbus.Master.after_recv', on_after_recv)
try:
def on_before_connect(args):
master = args[0]
logger.info(args[0])
logger.debug("on_before_connect {0} {1}".format(
master._host, master._port))
hooks.install_hook("modbus_tcp.TcpMaster.before_connect",
on_before_connect)
def on_after_recv(args):
response = args[1]
logger.debug("on_after_recv {0} bytes received".format(
len(response)))
hooks.install_hook("modbus_tcp.TcpMaster.after_recv", on_after_recv)
# Connect to the slave
master = modbus_tcp.TcpMaster()
master.set_timeout(5.0)
logger.info("connected")
logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 0, 100))
# logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 0, 3))
# logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 0, 2, data_format='f'))
# Read and write floats
# master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, starting_address=0, output_value=[3.14], data_format='>f')
# logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 0, 2, data_format='>f'))
# send some queries
# logger.info(master.execute(1, cst.READ_COILS, 0, 10))
# logger.info(master.execute(1, cst.READ_DISCRETE_INPUTS, 0, 8))
# logger.info(master.execute(1, cst.READ_INPUT_REGISTERS, 100, 3))
# logger.info(master.execute(1, cst.READ_HOLDING_REGISTERS, 100, 12))
# logger.info(master.execute(1, cst.WRITE_SINGLE_COIL, 7, output_value=1))
# logger.info(master.execute(1, cst.WRITE_SINGLE_REGISTER, 100, output_value=54))
# logger.info(master.execute(1, cst.WRITE_MULTIPLE_COILS, 0, output_value=[1, 1, 0, 1, 1, 0, 1, 1]))
# logger.info(master.execute(1, cst.WRITE_MULTIPLE_REGISTERS, 100, output_value=xrange(12)))
except modbus_tk.modbus.ModbusError as exc:
logger.error("%s- Code=%d", exc, exc.get_exception_code())
def connect(self, ip="localhost", port=502, timeout_in_sec=5.0):
logger = modbus_tk.utils.create_logger("console")
# Connect to the slave
master = modbus_tcp.TcpMaster(host=ip,
port=port,
timeout_in_sec=timeout_in_sec)
master.set_verbose(True)
self.master = master
logger.info("connected")
return True
def main():
master = modbus_tcp.TcpMaster(host='192.168.0.211', port=502)
master.set_timeout(5.0)
master.set_verbose(True)
print('=> ', master)
li = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
r = master.execute(1,
cst.WRITE_MULTIPLE_REGISTERS,
starting_address=0,
output_value=li)
def __init__(self, host, port=502):
self.host = host
self.port = port
self.timeout = 1.0
try:
self.master = modbus_tcp.TcpMaster(host=self.host, port=self.port)
self.master.set_timeout(self.timeout)
except Exception as e:
print("Exception in PET7015 class constructor\n{}".format(e))
exit(-1)
