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[Tutorial] Mitsubishi FX3G & Yaskawa Sigma “ORG Search”

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Hello all of you!
PLC Mitsubishi FX3G / FX3U is one of the most commonly used PLC in the world with Siemens S7-200.

Today will guide you to use a PLC FX3G to control a Yaskawa Sigma V (or Sigma 7) Servo motor.

Connection diagram of FX3G PLC and Yaskawa Sigma Servo

Yaskawa Driver Parameter Configuration

+ Pn200.0: Reference Pulse Form uses 1 pulse control mode (Pulse + Direction)
>>> Select “0: Sign + Pulse, positive logic”

+ Pn200.3: Filter Selection
>>> Select “1: Uses reference input filter for open collector signal (to 200kpps)”

+ Pn20E + Pn210 + Pn212
3 This parameter is used to set the number of pulses for 1 revolution of the motor

+ Pn000.1: Control Method Selection


  • 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

FX3G Programming

Configure I/O and Setup Speed

ORG Search Process

Video Test Program Details


Support Software


If you have any problems using the Yaskawa Servo Control FX3U, please comment below the article, will reply you as soon as you read it.

Best Regards!

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