def __init__(self, host, sim=True, rate=50):
"""
:param host: Contains the IP adress of the modbus server
:type host: string
:param rate: How often the registers on the modbusserver should be read per second
:type rate: float
:param reset_registers: Defines if the holding registers should be reset to 0 after they have been read. Only possible if they are writeable
:type reset_registers: bool
"""
print(
"Use the appropriate Cognex Insight Project to enable the Modbus Server"
)
self.sim = sim
ModbusWrapperClient.__init__(self,
host,
502,
rate,
reset_registers=False)
# All registers
self.write_start = 50000
self.setReadingRegisters(30010, 30127 - 30010)
# Use only a few registers for writing
self.setWritingRegisters(self.write_start, 2)
# Note: Listener not started as reading is requested manually, but a heartbeat is required to keep the modbus server alive
self.startHeartbeat()
def __init__(self, host, port=502, rate=50, reset_registers=True):
"""
:param host: Contains the IP adress of the modbus server
:type host: string
:param rate: How often the registers on the modbusserver should be read per second
:type rate: float
:param reset_registers: Defines if the holding registers should be reset to 0 after they have been read. Only possible if they are writeable
:type reset_registers: bool
"""
# print("Use the appropriate Step7 Project to enable the Modbus Server on your Siemens S1200 PLC")
ModbusWrapperClient.__init__(self, host, port, rate, reset_registers)
self.setReadingRegisters(0, 8)
self.setWritingRegisters(8, 9)
def __init__(self,host,port=502,rate=50,reset_registers=True):
"""
:param host: Contains the IP adress of the modbus server
:type host: string
:param rate: How often the registers on the modbusserver should be read per second
:type rate: float
:param reset_registers: Defines if the holding registers should be reset to 0 after they have been read. Only possible if they are writeable
:type reset_registers: bool
"""
print("Use the appropriate Step7 Project to enable the Modbus Server on your Siemens S1200 PLC")
ModbusWrapperClient.__init__(self,host,port,rate,reset_registers)
self.setReadingRegisters(0,8)
self.setWritingRegisters(8,6)
self.startListening()
def __init__(self,host,sim=True,rate=50):
"""
:param host: Contains the IP adress of the modbus server
:type host: string
:param rate: How often the registers on the modbusserver should be read per second
:type rate: float
:param reset_registers: Defines if the holding registers should be reset to 0 after they have been read. Only possible if they are writeable
:type reset_registers: bool
"""
print("Use the appropriate Cognex Insight Project to enable the Modbus Server")
self.sim = sim
ModbusWrapperClient.__init__(self,host,502,rate,reset_registers=False)
# All registers
self.write_start = 50000
self.setReadingRegisters(30010,30127-30010)
# Use only a few registers for writing
self.setWritingRegisters(self.write_start,2)
# Note: Listener not started as reading is requested manually, but a heartbeat is required to keep the modbus server alive
self.startHeartbeat()
def __init__(self,
host,
port=502,
rate=50,
reset_registers=True,
disable_topics=False):
"""
:param host: Contains the IP adress of the modbus server
:type host: string
:param rate: How often the registers on the modbusserver should be read per second
:type rate: float
:param reset_registers: Defines if the holding registers should be reset to 0 after they have been read. Only possible if they are writeable
:type reset_registers: bool
:param disable_topics: Disables ROS subscriber/publisher if True, disabling automatic reading and writing. Voids startListening and stopListening, will raise exception if called.
:type disable_topics: bool
"""
# print("Use the appropriate Step7 Project to enable the Modbus Server on your Siemens S1200 PLC")
ModbusWrapperClient.__init__(self, host, port, rate, reset_registers,
disable_topics)
self.setReadingRegisters(0, 8)
self.setWritingRegisters(8, 9)
