def test_tcp_client_connect(self):
""" Test the tcp client connection method"""
with patch.object(socket, 'create_connection') as mock_method:
mock_method.return_value = object()
client = ModbusTcpClient()
self.assertTrue(client.connect())
with patch.object(socket, 'create_connection') as mock_method:
mock_method.side_effect = socket.error()
client = ModbusTcpClient()
self.assertFalse(client.connect())
def test_tcp_client_connect(self):
""" Test the tcp client connection method"""
with patch.object(socket, 'create_connection') as mock_method:
mock_method.return_value = object()
client = ModbusTcpClient()
self.assertTrue(client.connect())
with patch.object(socket, 'create_connection') as mock_method:
mock_method.side_effect = socket.error()
client = ModbusTcpClient()
self.assertFalse(client.connect())
def read_sensors(request):
sensors = Sensor.objects.all()
sensor_data = []
dictionary = {}
for sensor in sensors:
client = ModbusTcpClient(sensor.address.server, port=502, timeout=1)
try:
client.connect()
if sensor.sensor_type == Sensor.SensorType.DIGITAL:
reply = client.read_discrete_inputs(sensor.channel, 1, unit=1)
sensor_reading = reply.bits[0]
sensor_response = {
'sensor_name': sensor.name,
'sensor_reading': sensor_reading
}
if sensor.digital_sensor_alert and sensor.email and str(
sensor_reading) != sensor.last_value:
if sensor.digital_alert_value and sensor_reading:
send_sensor_alert_email(sensor, str(sensor_reading))
#send_sensor_alert_email()
elif not sensor.digital_alert_value and not sensor_reading:
send_sensor_alert_email(sensor, str(sensor_reading))
#send_sensor_alert_email()
else:
reply = client.read_input_registers(sensor.channel, 1, unit=1)
sensor_reading = round(
reply.registers[0] * sensor.conversion_factor, 2)
if sensor.high_alert_value and sensor.email:
if sensor_reading > sensor.high_alert_value and float(
sensor.last_value) <= sensor.high_alert_value:
send_sensor_alert_email(sensor, str(sensor_reading))
#send_sensor_alert_email()
if sensor.low_alert_value and sensor.email:
if sensor_reading < sensor.low_alert_value and float(
sensor.last_value) >= sensor.low_alert_value:
send_sensor_alert_email(sensor, str(sensor_reading))
#send_sensor_alert_email()
sensor.last_value = str(sensor_reading)
sensor.save()
client.close()
except:
sensor_reading = "Could Not Connect"
sensor_response = {
'sensor_name': sensor.name,
'sensor_reading': sensor_reading
}
sensor_data.append(sensor_response)
client.close()
dictionary['sensor_data'] = sensor_data
return render(request, 'sensors/sensor_data.html', dictionary)
def setRelayState(interlock: Interlock_model,
state: {0, 1}) -> Interlock_model.State:
client = ModbusTcpClient(interlock.card.server)
client.connect()
client.write_coil(interlock.channel, state, unit=1)
sleep(0.3)
reply = client.read_coils(interlock.channel, 1, unit=1)
state = reply.bits[0]
client.close()
if state == ModbusInterlock.MODBUS_OFF:
return Interlock_model.State.LOCKED
elif state == ModbusInterlock.MODBUS_ON:
return Interlock_model.State.UNLOCKED
class Modbus:
def __init__(self, uri='localhost', port=502):
self.host = socket.gethostbyname(uri)
self.client = ModbusClient(self.host, port=port)
self.client.connect()
# // TODO implement a fallback
# if not self.client:
# raise RuntimeError('Error establishing connection with uri {}'.format(uri))
def _read(self, response, typ='Float32'):
if typ == 'Float32':
raw = struct.pack('>HH', response.get_register(1), response.get_register(0))
return struct.unpack('>f', raw)[0]
def read(self, register, n, unit=1, typ='Float32'):
response = self.client.read_holding_registers(register, n, unit=unit)
return self._read(response, typ)
def readN(self, registers, n, unit=1):
# // TODO implement reading multiple registers
pass
def test_basic_sync_tcp_client(self):
""" Test the basic methods for the tcp sync client"""
# receive/send
client = ModbusTcpClient()
client.socket = MockSocket()
self.assertEqual(0, client.send(None))
self.assertEqual(1, client.send('\x00'))
self.assertEqual('\x00', client.receive(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual("127.0.0.1:502", str(client))
def test_basic_sync_tcp_client(self):
""" Test the basic methods for the tcp sync client"""
# receive/send
client = ModbusTcpClient()
client.socket = MockSocket()
self.assertEqual(0, client.send(None))
self.assertEqual(1, client.send('\x00'))
self.assertEqual('\x00', client.receive(1))
# connect/disconnect
self.assertTrue(client.connect())
client.close()
# already closed socket
client.socket = False
client.close()
self.assertEqual("127.0.0.1:502", str(client))
class HeliosTCP(SmartPlugin):
PLUGIN_VERSION = "1.0.2"
MODBUS_SLAVE = 180
PORT = 502
START_REGISTER = 1
_items = {}
def __init__(self, sh):
from bin.smarthome import VERSION
if '.'.join(VERSION.split('.', 2)[:2]) <= '1.5':
self.logger = logging.getLogger(__name__)
self._helios_ip = self.get_parameter_value('helios_ip')
self._client = ModbusTcpClient(self._helios_ip)
self.alive = False
self._is_connected = False
self._update_cycle = self.get_parameter_value('update_cycle')
def run(self):
"""
Run method for the plugin
"""
self.logger.debug("Run method called")
self._is_connected = self._client.connect()
if not self._is_connected:
self.logger.error(
"Helios TCP: Failed to connect to Modbus Server at {0}".format(
self._helios_ip))
self.scheduler_add('Helios TCP',
self._update_values,
cycle=self._update_cycle)
self.alive = True
def stop(self):
"""
Stop method for the plugin
"""
self.logger.debug("Stop method called")
self.scheduler_remove('Helios TCP')
self._client.close()
self.alive = False
def parse_item(self, item):
if 'helios_tcp' in item.conf:
varname = item.conf['helios_tcp']
if varname in VARLIST.keys():
self._items[varname] = item
return self.update_item
else:
self.logger.warning(
"Helios TCP: Ignoring unknown variable '{0}'".format(
varname))
def _update_values(self):
for item in self._items:
self._read_value(self._items[item])
@staticmethod
def _string_to_registers(instr: str):
l = bytearray(instr, 'ascii')
return [k[0] * 256 + k[1] for k in zip(l[::2], l[1::2])] + [0]
def _read_value(self, item):
try:
var = item.conf['helios_tcp']
except ValueError:
return
try:
varprop = VARLIST[var]
except KeyError:
self.logger.error(
"Helios TCP: Failed to find variable '{0}'".format(var))
return
# At first we write the variable name to read into the input registers:
payload = self._string_to_registers(varprop['var'])
request = self._client.write_registers(self.START_REGISTER,
payload,
unit=self.MODBUS_SLAVE)
if request is None:
self.logger.warning(
"Helios TCP: Failed to send read request for variable '{0}'".
format(var))
return
# Now we may read the holding registers:
response = self._client.read_holding_registers(self.START_REGISTER,
varprop['length'],
unit=self.MODBUS_SLAVE)
if response is None:
self.logger.warning(
"Helios TCP: Failed to send read response for variable '{0}'".
format(var))
return
# Now we may dedocde the result
# Note that we immediatly strip the varname from the result.
result = response.encode().decode('ascii')[8:]
result = list(result)
# Remove trailing zeros:
while result[-1] == '\x00':
result.pop()
result = ''.join(result)
# Finally we may cast the result and return the obtained value:
try:
item(varprop["type"](result), self.get_shortname())
except ValueError:
self.logger.warning(
"Helios TCP: Could not assign {0} to item {1}".format(
varprop["type"](result), item.id()))
return
def update_item(self, item, caller=None, source=None, dest=None):
"""
Item has been updated
This method is called, if the value of an item has been updated by SmartHomeNG.
It should write the changed value out to the device (hardware/interface) that
is managed by this plugin.
:param item: item to be updated towards the plugin
:param caller: if given it represents the callers name
:param source: if given it represents the source
:param dest: if given it represents the dest
"""
if self.alive and caller != self.get_shortname():
try:
var = item.conf['helios_tcp']
except ValueError:
return
newval = item()
try:
varprop = VARLIST[var]
except KeyError:
self.logger.error(
"Helios TCP: Failed to find variable '{0}'".format(var))
return
if not varprop["write"]:
return
if type(newval) != varprop["type"]:
self.logger.error(
"Helios TCP: Type mismatch for variable '{0}'".format(var))
return
if newval < varprop["min"] or newval > varprop["max"]:
self.logger.error(
"Helios TCP: Variable '{0}' out of bounds. The allowed range is [{1}, {2}]"
.format(var, varprop["min"], varprop["max"]))
return
if varprop["type"] == bool:
payload_string = "{0}={1}".format(varprop["var"], int(newval))
elif varprop["type"] == int:
payload_string = "{0}={1}".format(varprop["var"], int(newval))
elif varprop["type"] == float:
payload_string = "{0}={1:.1f}".format(varprop["var"], newval)
else:
self.logger.error(
"Helios TCP: Type {0} of varible '{1}' not known".format(
varprop["type"], var))
return
payload = self._string_to_registers(payload_string)
request = self._client.write_registers(self.START_REGISTER,
payload,
unit=self.MODBUS_SLAVE)
if request is None:
self.logger.warning(
"Helios TCP: Failed to send write request for variable '{0}'"
.format(var))
return
STOP = 35700 #This are control keys
STOPC = 29835 #This are complements of control keys, must be write together with the control key
AUTO = 35701
AUTOC = 29834
MANUAL = 35702
MANUALC = 29833
AUTOM = 35704
AUTOMC = 29831
START = 35705
STARTC = 29830
RESETAL = 35734
host = sys.argv[1]
print("Connecting to DSE with IP ", host)
client = ModbusClient(str(host), port = 502)
client.connect()
time.sleep(0.1)
def sync_client_read(registerNumber):
try:
result = client.read_holding_registers(registerNumber,1)
return result.registers
except:
print("Connection Error Handled")
output = False
return output
def read_register(PageNumber, RegisterOffset, Scale):
register = 256 * PageNumber + RegisterOffset
read = sync_client_read(register)
register = float(read[0]) * Scale
import os
from datetime import datetime
#---------------------------------------------------------------------------#
# configure the client logging
#---------------------------------------------------------------------------#
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.INFO)
#---------------------------------------------------------------------------#
# We are going to use a simple client to send our requests
#---------------------------------------------------------------------------#
client = ModbusClient('192.168.33.1', port=10502)
client.connect()
FILENAME = 'rtu_5_log.csv'
try:
os.remove(FILENAME)
except OSError:
pass
print("*"*30)
print("SCADA server, reading the values of switch states, current and voltage readings")
print("*"*30+"\n\n")
fd = open(FILENAME, 'w+')
csvrow = "timestamp;switch19;switch24;switch25;switch36;voltageb5;current19;current24;current25;current36\n"
fd.write(csvrow)
#working ------- 1 seferde 124 tane cektik from pymodbus3.client.sync import ModbusTcpClient import logging logging.basicConfig() log = logging.getLogger() log.setLevel(logging.DEBUG) #defaults ip="188.59.150.237" start="0" count="3" unit_number="2" #get necessary values #modbus connection client = ModbusTcpClient(ip) connection = client.connect() #read register request = client.read_holding_registers(int(start),int(count),unit=int(unit_number)) result = request.registers print (result) #result is the array of register values, can be accesses as result[i] #ege
def main():
registersPerPage = 256
RPMPageNumber = 4
RPMRegisterOffset = 6
DCCurrentPageNumber = 4
DCCurrentStartOffset = 204
DCCurrentEndOffset = 205
STOP = 35700
# 10001011(H8B,D139) 01110100(H74,116) # -29836 (35700)
STOPC = 29835
# 01110100(H74,D116) 10001011(H8B,D139) # 29835
AUTO = 35701
# 10001011(H8B,D139) 01110101(H75,D117) # -29835 (35701)
AUTOC = 29834
# 01110100(H74,D116) 10001010(H8A,D138) # 29834
MANUAL = 35702
# 10001011(H8B,D139) 01110110(H76,D118) # -29834 (35702)
MANUALC = 29833
# 01110100(H74,D116) 10001001(H89,D137) # 29833
AUTOM = 35704
# 10001011(H8B,D139) 01111000(H78,D120) # -29832 (35704)
AUTOMC = 29831
# 01110100(H74,D116) 10000111(H87,D135) # 29831
START = 35705
# 10001011(H8B,D139) 01111001(H79,D121) # -29831 (35705)
STARTC = 29830
# 01110100(H74,D116) 10000110(H87,D134) # 29830
RESETAL = 35734
# 10001011(H8B,D139) 10010110(H96,D150) # -35734 (35734)
#RESETALC = 29801; #
#RESETA2 = 35734; # 10001011(H8B,D139) 10010110(H96,D150) # (35734)
#RESETA2C = 29828;
#RESETAT = -29801; # 10001011(H8B,D139) 10010110(H96,D150) # -35734 (35734)
#RESETATC = 29800;
MODE_STOP = 0
#Stop mode
MODE_AUTO = 1
#Auto mode
MODE_MANUAL = 2
#Manual mode
MODE_TEST = 3
#Test on load mode
MODE_AUTO_MRESTORE = 4
#Auto with manual restore mode/Prohibit Return
MODE_USER_CONFIG = 5
#User configuration mode
MODE_TEST_OFF_LOAD = 6
#Test off load mode
host = sys.argv[1]
print(host)
client = ModbusClient(str(host), port=502)
client.connect()
time.sleep(0.1)
rm = client.write_registers(4104, [MANUAL, MANUALC])
print("Change DSE to MANUAL mode, starting engine in 5 seconds...")
x = 4
while x >= 1:
time.sleep(1)
print(str(x))
x -= 1
rq = client.write_registers(4104, [START, STARTC])
time.sleep(3)
print("Starting engine, proceding to read RPM and DC current")
time.sleep(1)
x = 1
while x == 1:
time.sleep(0.01)
register = registersPerPage * RPMPageNumber + RPMRegisterOffset
global RPMRegister
RPMRegister = sync_client_read(register)
register = registersPerPage * DCCurrentPageNumber + DCCurrentEndOffset
global DCRegister
DCRegister = sync_client_read(register)
DCRegister = float(DCRegister)
x = 0
os.system('sudo python3 readings.py')
while 1 == 1:
time.sleep(0.01)
register = registersPerPage * RPMPageNumber + RPMRegisterOffset
RPMRegister = sync_client_read(register)
register = registersPerPage * DCCurrentPageNumber + DCCurrentEndOffset
DCregister = sync_client_read(register)
DCRegister = float(DCRegister)
global read_discrete_inputs_data
global discrete_inputs_data
if discrete_inputs_data != read_discrete_inputs_data:
msg = str(read_discrete_inputs_data)
rc, mid = mqtt_client.publish("one2one/fpq", payload=msg, qos=1) # qos
on_publish(msg, rc)
print(read_discrete_inputs_data)
discrete_inputs_data = read_discrete_inputs_data
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.CRITICAL)
modbus_client = ModbusClient('192.168.1.133', port=503, retries=2, framer=ModbusFramer)
modbus_client.connect()
write_coils_data = []
read_discrete_inputs_data = []
discrete_inputs_data = []
threads_switch = 1
while True:
time.sleep(1)
'''
threads = []
t1 = threading.Thread(target=modbus_rr)
threads.append(t1)
t2 = threading.Thread(target=modbus_print)
threads.append(t2)
def plugin_poll(handle):
""" Poll readings from the modbus device and returns it in a JSON document as a Python dict.
Available for poll mode only.
Args:
handle: handle returned by the plugin initialisation call
Returns:
returns a reading in a JSON document, as a Python dict, if it is available
None - If no reading is available
Raises:
"""
try:
global mbus_client
if mbus_client is None:
try:
source_address = handle['address']['value']
source_port = int(handle['port']['value'])
except Exception as ex:
e_msg = 'Failed to parse Modbus TCP address and / or port configuration.'
_LOGGER.error('%s %s', e_msg, str(ex))
raise ValueError(e_msg)
try:
mbus_client = ModbusTcpClient(host=source_address, port=source_port)
mbus_client_connected = mbus_client.connect()
if mbus_client_connected:
_LOGGER.info('Modbus TCP Client is connected. %s:%d', source_address, source_port)
else:
raise RuntimeError("Modbus TCP Connection failed!")
except:
mbus_client = None
_LOGGER.warn('Failed to connect! Modbus TCP host %s on port %d', source_address, source_port)
return
"""
read_coils(self, address, count=1, **kwargs)
read_discrete_inputs(self, address, count=1, **kwargs)
read_holding_registers(self, address, count=1, **kwargs)
read_input_registers(self, address, count=1, **kwargs)
- address: The starting address to read from
- count: The number of coils / discrete or registers to read
- unit: The slave unit this request is targeting
On TCP/IP, the MODBUS server is addressed using its IP address; therefore, the MODBUS Unit Identifier is useless.
Remark : The value 0 is also accepted to communicate directly to a MODBUS TCP device.
"""
unit_id = UNIT
modbus_map = json.loads(handle['map']['value'])
readings = {}
# Read coils
coils_address_info = modbus_map['coils']
if len(coils_address_info) > 0:
for k, address in coils_address_info.items():
coil_bit_values = mbus_client.read_coils(99 + int(address), 1, unit=unit_id)
readings.update({k: coil_bit_values.bits[0]})
# Discrete input
discrete_input_info = modbus_map['inputs']
if len(discrete_input_info) > 0:
for k, address in discrete_input_info.items():
read_discrete_inputs = mbus_client.read_discrete_inputs(99 + int(address), 1, unit=unit_id)
readings.update({k: read_discrete_inputs.bits[0]})
# Holding registers
holding_registers_info = modbus_map['registers']
if len(holding_registers_info) > 0:
for k, address in holding_registers_info.items():
register_values = mbus_client.read_holding_registers(99 + int(address), 1, unit=unit_id)
readings.update({k: register_values.registers[0]})
# Read input registers
input_registers_info = modbus_map['inputRegisters']
if len(input_registers_info) > 0:
for k, address in input_registers_info.items():
read_input_reg = mbus_client.read_input_registers(99 + int(address), 1, unit=unit_id)
readings.update({k: read_input_reg.registers[0] })
wrapper = {
'asset': handle['assetName']['value'],
'timestamp': utils.local_timestamp(),
'key': str(uuid.uuid4()),
'readings': readings
}
except Exception as ex:
_LOGGER.error('Failed to read data from modbus device. Got error %s', str(ex))
raise ex
else:
return wrapper
class ModbusClient(threading.Thread):
"""Define Tag engine to poll MODBUS servers.
"""
def __init__(self, asset_read_dict, asset_write_dict, interface_config):
""" interface config
('ip_add', '0.0.0.0')
('endian', '>')
('registers', {
'type': '32bit_float',
'name': 'kw',
'scale': 0.001,
'mod_add': 50052})
('update_rate', 1)
"""
threading.Thread.__init__(self)
self.config = interface_config
self.daemon = True # TODO: this may be threading in 2.7, daemon is method now?
self.client = None
self.cvt = dict()
self.process_stop = False
self.connected = False
self.timestamp = str()
# Initialize Current Value Table (CVT)
for reg in self.config['registers']:
self.cvt.update({reg['name']: None})
def __del__(self):
"""Teardown
"""
print('MODBUS CLIENT:', self.process_name, '-- deconstructed')
def run(self):
"""Connect to target and maintain client while loop.
Call with Thread.start()
"""
print('MODBUS CLIENT', self.process_name, '-- started')
self.connect()
while not self.process_stop:
if self.connected:
self._update()
time.sleep(self.config['update_rate'])
self.disconnect()
self.__del__()
def stop(self):
"""Stop process
"""
self.process_stop = True
def connect(self):
"""Connect to target MODBUS server.
"""
try:
self.client = ModbusTcpClient(self.config['ip_add'])
self.client.connect()
self.connected = True
except:
print('MODBUS CLIENT:', self.process_name,
'-- unable to connect to target server.')
def disconnect(self):
"""Disconnect from target MODBUS server.
"""
try:
self.client.close()
self.connected = False
print('MODBUS CLIENT:', self.process_name, '-- disconnected')
except:
print('MODBUS CLIENT:', self.process_name,
'-- failed to disconnect from server')
def _update(self):
"""Poll MODBUS target server.
Store results in self.cvt
"""
for reg in self.config['registers']:
try:
"""TODO: filter by register_name_list"""
if reg['type'] == '32bit_float':
read_data = self.client.read_holding_registers(
reg['mod_add'], 2, unit=1)
decoded_data = BinaryPayloadDecoder.from_registers(
list(reversed(read_data.registers)),
endian=self.config['endian'])
self.cvt[reg['name']] = decoded_data.decode_32bit_float(
) * reg['scale']
elif reg['type'] == '32bit_int':
read_data = self.client.read_holding_registers(
reg['mod_add'], 2, unit=1)
decoded_data = BinaryPayloadDecoder.from_registers(
read_data.registers, endian=self.config['endian'])
self.cvt[reg['name']] = decoded_data.decode_32bit_int(
) * reg['scale']
elif reg['type'] == '32bit_uint':
read_data = self.client.read_holding_registers(
reg['mod_add'], 2, unit=1)
decoded_data = BinaryPayloadDecoder.from_registers(
read_data.registers, endian=self.config['endian'])
self.cvt[reg['name']] = decoded_data.decode_32bit_uint(
) * reg['scale']
elif reg['type'] == '16bit_int':
read_data = self.client.read_holding_registers(
reg['mod_add'], 1, unit=1)
decoded_data = BinaryPayloadDecoder.from_registers(
read_data.registers, endian=self.config['endian'])
self.cvt[reg['name']] = decoded_data.decode_16bit_int(
) * reg['scale']
elif reg['type'] == '16bit_uint':
read_data = self.client.read_holding_registers(
reg['mod_add'], 1, unit=1)
decoded_data = BinaryPayloadDecoder.from_registers(
read_data.registers, endian=self.config['endian'])
self.cvt[reg['name']] = decoded_data.decode_16bit_uint(
) * reg['scale']
else:
print(reg['type'], 'data type not supported')
except AttributeError:
print(self.process_name, 'MODBUS CLIENT: Read error')
# TODO: How to import pymobus3 exceptions?
self.timestamp = time.ctime()
def write(self):
pass # TODO: write holding registers
def main():
registersPerPage = 256
RPMPageNumber = 4
RPMRegisterOffset = 6
DCCurrentPageNumber = 4
DCCurrentStartOffset = 204
DCCurrentEndOffset = 205
STOP = 35700; # 10001011(H8B,D139) 01110100(H74,116) # -29836 (35700)
STOPC = 29835; # 01110100(H74,D116) 10001011(H8B,D139) # 29835
AUTO = 35701; # 10001011(H8B,D139) 01110101(H75,D117) # -29835 (35701)
AUTOC = 29834; # 01110100(H74,D116) 10001010(H8A,D138) # 29834
MANUAL = 35702; # 10001011(H8B,D139) 01110110(H76,D118) # -29834 (35702)
MANUALC = 29833; # 01110100(H74,D116) 10001001(H89,D137) # 29833
AUTOM = 35704; # 10001011(H8B,D139) 01111000(H78,D120) # -29832 (35704)
AUTOMC = 29831; # 01110100(H74,D116) 10000111(H87,D135) # 29831
START = 35705; # 10001011(H8B,D139) 01111001(H79,D121) # -29831 (35705)
STARTC = 29830; # 01110100(H74,D116) 10000110(H87,D134) # 29830
RESETAL = 35734; # 10001011(H8B,D139) 10010110(H96,D150) # -35734 (35734)
#RESETALC = 29801; #
#RESETA2 = 35734; # 10001011(H8B,D139) 10010110(H96,D150) # (35734)
#RESETA2C = 29828;
#RESETAT = -29801; # 10001011(H8B,D139) 10010110(H96,D150) # -35734 (35734)
#RESETATC = 29800;
MODE_STOP = 0; #Stop mode
MODE_AUTO = 1; #Auto mode
MODE_MANUAL = 2; #Manual mode
MODE_TEST = 3; #Test on load mode
MODE_AUTO_MRESTORE = 4; #Auto with manual restore mode/Prohibit Return
MODE_USER_CONFIG = 5; #User configuration mode
MODE_TEST_OFF_LOAD = 6; #Test off load mode
host = sys.argv[1]
print(host)
client = ModbusClient(str(host), port=502)
client.connect()
time.sleep(0.1)
rm = client.write_registers(4104, [MANUAL,MANUALC])
print("Change DSE to MANUAL mode, starting engine in 5 seconds...")
x = 4
while x>=1:
time.sleep(1)
print(str(x))
x-=1
rq = client.write_registers(4104, [START,STARTC])
time.sleep(3)
print("Starting engine, proceding to read RPM and DC current")
time.sleep(1)
x = 1
while x==1:
time.sleep(0.01)
register = registersPerPage * RPMPageNumber + RPMRegisterOffset
global RPMRegister
RPMRegister = sync_client_read(register)
register = registersPerPage * DCCurrentPageNumber + DCCurrentEndOffset
global DCRegister
DCRegister = sync_client_read(register)
DCRegister = float(DCRegister)
x = 0
os.system('sudo python3 readings.py')
while 1==1:
time.sleep(0.01)
register = registersPerPage * RPMPageNumber + RPMRegisterOffset
RPMRegister = sync_client_read(register)
register = registersPerPage * DCCurrentPageNumber + DCCurrentEndOffset
DCregister = sync_client_read(register)
DCRegister = float(DCRegister)
def selectTarget():
clientIP = str(input('\n\tTarget IP? '))
client = ModbusTcpClient(clientIP)
client.connect()
return client
