Mitsubishi Q series PLC programming interface to RS485 adapter. Convert Q series PLC programming interface (RS232) into RS485 signal for long-distance transmission; Maximum communication distance: up to 1200m; The interior adopts optoelectronic isolation anti-interference design and built-in lightning and surge protection circuit; Especially suitable for harsh industrial environments; Provide an isolated RS232 interface on Q-485AW to realize the short distance communication between PLC and host computer or touch screen.