RS-485 Device Communication with Micrologix 1400 PLC using RSLogix 500 Software
Connect the 1763-NC01 extension card to the 8 pin RS-485 port of the PLC CPU unit. In 1763-NC01 extension card connect A→A(A+) to the destination module or slave controller that’s RS-485 enabled. Likewise B→B(B+). Configure the slave device with Slave ID, Data Bits, Baud Rate, Stop Bits and Parity. Better have those with defaults unless and …