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[Tutorial] Mitsubishi FX3G & MR J4 A “ORG Search”

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The pair of PLC FX3G and Servo MR J4 A of Mitsubishi is a pair of equipment used quite popularly in the world.

Today I show you how to use a PLC FX3G (also FX3U) to control Servo MR J4 A by Pulse Output method.

Connection diagram of Mitsubishi FX3G / FX3U vs MR-J4-A

To make it easy for you newcomers, I have fought off most of the function pins of the Driver

Configure MR-J4-A Servo

Please configure the following 5 driver parameters: PA01, PA05, PA06, PA07, PA13


+ S1: ORG Sensor ( near-point signal (DOG) input device number )

+ S2: Z-Phase signal input number ( from ServoMotor)

+ D1: Pulse output number

+ D2: Rotation direction signal output

Programming Tutorials ( GX-Works2)

Setup sensor input & speed org return

ORG Return Process

Programming Tutorial Video


The necessary Software

If you have any questions, please comment below the article, will reply you as soon as you read.

Best Regards!

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