At the physical level, MODBUS over Serial Line systems may use different physical interfaces (RS485, RS232). TIA/EIA-485 (RS485) Two-Wire interface is the most common. As an add-on option, RS485 Four-Wire interface may also be implemented. A TIA/EIA-232- Related searches for rs485 modbus wiring diagram rs485 wiring standardrs 485 pinout diagrammodbus rtu wiring diagrammodbus rj45 pinoutrs485 connection diagrammodbus rs485 wiringmodbus connection diagrammodbus rtu wiring