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PLC Inovance “Servo Control” Mitsubishi MR-J4-A Tutorial

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Hello friends!
Mitsubishi MR-J4-A Servo is one of the most commonly used Servo Motor on the market. High performance, durability and competitive price make it popular in the world.

Today will guide you to use PLC Inovance H3U-3232MT to control MR-J4-A Servo by “Pulse Train Output” method.

PLC Inovance & Mitsubishi MR-J4-A “Wiring Diagram”

  • Input
    + X0: Origin Sensor
    + X1: CW Limit Sensor
    + X2: CCW Limit Sensor
  • Output
    + Y0: Pulse Output
    + Y3: Direction Output
    + Y4: Servo ON/OFF

Mitsubishi MR-J4-A Parameters Setting

In order for Mitsubishi MR-J4-A Servo to receive control pulses from the PLC, we need to set the following basic parameters

  • PA1: Servo control mode selection > Set to “1000” to select the position control mode.
  • PA6/7: CMX/CDV: Input pulse gain ratio. Used to correct the change of the number of pulses / revolutions when issuing a command from the PLC to the Servo. The default is 1/1, which corresponds to 131072 pulses / rev.
  • PA13.PLSS: Selection of control pulse types: Default is 0100, change the following two factors to select pulse input type. Please see the table below to choose the appropriate control method:

You can Copy the parameters below, used for this project

PLC Programming

+ Servo ON/OFF Control, Origin Return, Axis Jog Process

+ Axis Control Command

Project Video Tutorial



>>> PLC Inovance Programming Software Download
>>> Download MR-Configurator 2 Mitsubishi Servo Software

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