The state of FX2N-20GM is displayed by LED.
Name of LED Content
POWER LED lights when power is supplied. If LED is not lit, check power supply voltage and
current.
READY-X LED lights when accepting an x-axis instruction. During pulse output or when an error
occurs, the LED is off.
READY-Y LED lights when accepting a y-axis drive instruction. During pulse output or when an
error occurs, the LED is off.
ERROR-X LED is lit or blinks when an error occurs in the positioning drive of x axis.
ERROR-Y LED is lit or blinks when an error occurs in the positioning drive of y axis.
BATT LED lights when the buttery voltage drops. (Turn Power Supply On)
CPU-E CPU error. Incompatible system configuration, excess noise, etc.
4.3 I/O connector
The pin array of the I/O connector is as follows.
All terminals with identical names are shorted internally (Ex. COM1-COM1, VIN-VIN, etc.).
Do not wire “•” terminals.
Refer to the FX2N-10GM, FX2N-20GM HARDWARE PROGRAMMING MANUAL for wiring information.

















































































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RS-485扩展板 FX2N-485-BD
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继电器输出单元 FX2N-48ER-UA1/UL
PLC FX2N-32MR-ES/UL
模拟量输入模块 FX2N-8AD
继电器输出模块 FX2N-8EYR
MELSEC-I/O LINK主站模块 FX2N-16LNK-M
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可控硅输出单元 FX2N-32ES
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