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plcpeople / mbtcpprotocol

Modbus TCP client library for node.js
MIT License
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Python modbus communication reading words on Mitsubishi Q03udv PLC using ModbusTcpClient library #1

Open 999kkumar opened 6 years ago

999kkumar commented 6 years ago

Python modbus communcation reading words on Mitsubishi PLC using ModbusTcpClient library

How to read data register D1 DE or else

I have tested it ....Connection is fine but reading give error .Incomplete message received.

from pymodbus.client.sync import ModbusTcpClient

client = ModbusTcpClient('10.1.1.4',port=5007) client.connect()

result = client.read_holding_registers(1,1) print result t = result.registers[0] print t

https://stackoverflow.com/questions/51422826/python-modbus-communcation-reading-words-on-mitsubishi-q03udv-plc-using-modbustc

plcpeople commented 6 years ago

I think you have posted this issue in the wrong project. This mbtcpprotocol library is a node.js library, not a Python library. But to solve your issue with any library, you may want to try to get a Wireshark trace of your communication.