# Import modbus module import modbus # Create a ModBusRTU object, specify the send buffer and receive buffer size as 128 bytes mb = modbus.ModBusRTU(128, 128) # Set slave address to 1 mb.setSlave(1) # Generate a request frame for reading registers, specify the start address as 0 and the quantity as 10 send_buff = mb.serializeReadRegisters(0, 10) # Print the byte string of the request frame print(send_buff) # Parse a response frame for reading registers, return a list containing the values of the registers host_regists = mb.deserializeReadRegisters( b'\x01\x03\x14\x00\x00\x04\xD2\x00\x00\x00\x00\x00\x7B\x00\x00\x00\x00\x00\x00\x00\x00\xE5\x0B' ) print(host_regists)