modbus-tk getting Modbus Error: Exception code = 2...

Minimalmodbus, randomly generates wrong crc...

modbus-tk for Modbus RTU, read/write multiple registers (fn code 23), returns exception code 1...

modbus-tk getting Modbus Error: Exception code = 3...

Need help using modbus_tk library...

How to set up simple slave and master with modbus-tk RTU (Python)...

Auto Discovery of the slave id of modbus device in a network...

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Can't connect to slave with Python's modbus_tk...