Rs 485 Connector Diagram. Rs422 interface pin diagram. Two wires are required for each signal.
Rs 422 multi drop and 4 wire rs485 can be. Check the data sheet schematic or block diagram. As shown in the pin diagram rs485 has all the signals in differential configurations.
The rs232 of pins de is mc power supply rsasa ground rj4 plug pins are sorted by the sketch map is as shown above.
The rs485 communications cable can connect to either a terminal block or an rj45 network port. Appendix b cable wiring diagram for rs485 line. Rs 485 basic pinout diagram. Figure 3 applies to most bb rs 485 converters or serial cards that can be set for 2 wire or 4 wire operation and for some 2 wire converters that use the same circuit board for the rs 422 model.