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Specification of Mitsubishi | FX2N
Extension blocks

Extension block is an I/O extension device that receives power from the main unit or powered extension unit.
It can be connected in 8 point or 16 point units. The connectable number of points is determined by each main unit or powered extension unit.
 

Model		Total number of points	Number of input/output points Input/output type				Applicable FX PLC
			Input		Output		FX 3S	FX 3G	FX 3U	FX 3GC	FX 3UC
Input/output extension blocks
	FX2N-8ER	8 points	4 points (8 devices are occupied.)	24 V DC (sink)	4 points (8 devices are occupied.)	Relay	×	○	○	*1 *2 ○	*1 *2 ○
	FX2N-8ER-ES/UL			DC24V (sink/ source)
	FX2N-8EX		8 points	24 V DC (sink)	-	-
	FX2N-8EX-ES/UL			DC24V (sink/ source)
	FX2N-8EX-UA1/UL			100 V AC
	FX2N-16EX	16 points	16 points	24 V DC (sink)			×	○	○	*1 *2 ○	*1 *2 ○
	FX2N-16EX-ES/UL			24 V DC (sink/ source)
	FX2N-16EX-C Connector input			24 V DC (sink)
	FX2N-16EXL-C Connector input			5 V DC
Output extension blocks
	FX2N-8EYR	8 points	-	-	8 points	Relay	×	○	○	*1 *2 ○	*1 *2 ○
	FX2N-8EYR-ES/UL
	FX2N-8EYR-S-ES/UL					Relay (8 points/common)
	FX2N-8EYT					Transistor (sink)
	FX2N-8EYT-H
	FX2N-8EYT-ESS/UL					Transistor (source)
	FX2N-16EYR	16 points			16 points	Relay	×	○	○	*1 *2 ○	*1 *2 ○
	FX2N-16EYR-ES/UL
	FX2N-16EYS					Triac
	FX2N-16EYT					Transistor (sink)
	FX2N-16EYT-ESS/UL					Transistor (source)
	FX2N-16EYT-C Connector output					Transistor (sink)

*1 :For connection to FX3GC or FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
*2 :Depending on the model name of the main unit, I/O extension device connection may or may not be allowed. For details, refer to the manual of the main unit.