Serial communication

Model		Communication interface	Maximum transmission distance	Function type	Compatible CPU module
					FX5U	FX5UC	FX5UJ	FX5S
	FX5-232-BD	RS-232C	15 m	MELSOFT connection MELSEC Communication protocol (1C/3C/4C frames) Non-protocol communication Predefined protocol support	○ Up to 1 module	×	○ Up to 1 module	○ Up to 1 module
	FX5-232ADP				○ Up to 2 modules	○ Up to 2 modules	*1 ○ Up to 2 modules	*1 ○ Up to 2 modules
	FX5U CPU module	RS-485	50 m	MELSOFT Connection MELSEC Communication protocol (1C/3C/4C frames) Non-protocol communication Inverter communication N:N network Parallel link Predefined protocol support	-	-	-	-
	FX5UC CPU module				-	-	-	-
	FX5-485-BD		50 m		○ Up to 1 module	×	○ Up to 1 module	○ Up to 1 module
	FX5-485ADP		1200 m		○ Up to 2 modules	○ Up to 2 modules	*1 ○ Up to 2 modules	*1 ○ Up to 2 modules
	FX5-422-BD-GOT	RS-422	As per GOT specifications	GOT connection	○ Up to 1 module	-	○ Up to 1 module	○ Up to 1 module

• *1When using a communication board, up to 1 module.