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2-year Warranty

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Yaskawa JEPMC-MC400

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2 Year warranty

Part NumberJEPMC-MC400
Model #JEPMCMC400
Warranty2 Year
CategoryServo module
Desciption Machine controller
Serial communicationsRS-232C, RS-422/485
Local I/ODI (8 bits), DO (8 bits), AO (1 word)
MECHATROLINKInterface or DeviceNet interface

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed JEPMC-MC400 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this JEPMC-MC400 we also repair a wide range of other Yaskawa products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty JEPMC-MC400, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 1lb

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Ask about exchanging your faulty JEPMC-MC400 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Yaskawa JEPMC-MC400 Overview

Yaskawa MP940 JEPMCMC400

The Yaskawa MP940 JEPMCMC400 is a sophisticated single-axis controller that seamlessly integrates a variety of essential functions, including communications, local I/O, counters, and motion control. Designed to operate in conjunction with an SGDH SERVOPACK through a bus connection, the MP940 is a versatile machine controller that stands out for its efficiency and precision.

Unified Controller and SERVOPACK Features:

One of the key features of the MP940 is its ability to merge controller and SERVOPACK functionalities into a single unit. This integration streamlines the system architecture and simplifies the overall setup. By combining these elements, the MP940 offers a comprehensive solution for motion control applications, providing users with a unified platform for a diverse range of tasks.

Wide Range of Control Features:

The MP940 Machine Controller is equipped with an array of control features that cater to various industrial needs. From independent positioning to high-speed and accurate synchronous control, the controller's capabilities are extensive. This adaptability makes it well-suited for applications that demand flexibility, precision, and seamless integration.

Functional Modules for Servo Control:

The MP940 is configured with functional modules that are specifically tailored for servo control. These modules enhance the overall performance of the controller, ensuring optimal functionality in diverse scenarios. The functional modules include:

  • MP940 CPU: The central processing unit handles the core operations of the controller, overseeing various tasks related to servo control.
  • SERIAL Communication: The controller supports serial communications through RS-232C and RS-422/485 interfaces, enabling efficient data exchange and connectivity.
  • LIO Local I/O: This module provides local input/output capabilities, including 8 bits for digital input, 8 bits for digital output, and 1 word for analog output. These features contribute to the overall versatility of the controller.
  • SVA Motion Control Functions: The motion control functions play a pivotal role in achieving precise and coordinated movements. These functions empower the controller to execute intricate motion sequences with ease.
  • CNTR Counter Functions: The counter functions enhance the controller's ability to keep track of events and positions accurately, facilitating seamless control in various applications.
  • MLINK or DevNet: The controller supports communication interfaces like Mechatrolink or DeviceNet, expanding its connectivity options and ensuring compatibility with different industrial networks.

Efficient Bus Connection to SGDH SERVOPACK:

The MP940's bus connection to an SGDH SERVOPACK is a key element in its operation. This connection facilitates seamless communication between the controller and the SERVOPACK, ensuring synchronized and optimized performance. The integration of these components creates a cohesive and efficient system for driving and controlling servo motors.

Frequently Asked Questions 

Q1: What is the Yaskawa MP940 JEPMCMC400?

A1: The Yaskawa MP940 JEPMCMC400 is a single-axis controller with integrated functionalities such as communications, local I/O, counters, and motion control. It is designed to work in tandem with an SGDH SERVOPACK through a bus connection.

Q2: What makes the MP940 unique?

A2: The MP940 stands out for its ability to combine the features of a controller and a SERVOPACK into a single unit. This integration simplifies the system architecture and provides users with a unified platform for motion control applications.

Q3: What control features does the MP940 offer?

A3: The MP940 offers a wide range of control features, from independent positioning to fast and accurate synchronous control. This adaptability makes it suitable for applications that require precision and flexibility.

Q4: What are the key functional modules of the MP940?

A4: The MP940 is configured with several functional modules tailored for servo control, including the CPU, SERIAL for communications, LIO for local I/O, SVA for motion control, CNTR for counter functions, and MLINK or DevNet for communication interfaces.

Q5: How does the MP940 handle communications?

A5: The MP940 supports serial communications through RS-232C and RS-422/485 interfaces, facilitating efficient data exchange and connectivity in industrial applications.

Q6: What is the local I/O capability of the MP940?

A6: The Local I/O module (LIO) provides 8 bits for digital input, 8 bits for digital output, and 1 word for analog output, enhancing the controller's versatility in handling different types of signals.

Q7: What motion control functions are available on the MP940?

A7: The SVA (Servo Advanced) module on the MP940 incorporates motion control functions, enabling the execution of precise and coordinated movements in various applications.

Q8: How does the MP940 connect to the SGDH SERVOPACK?

A8: The MP940 establishes a bus connection to an SGDH SERVOPACK, facilitating seamless communication between the controller and the SERVOPACK. This integration ensures synchronized and optimized performance in servo motor control.

Q9: What communication interfaces are supported by the MP940?

A9: The MP940 supports communication interfaces such as Mechatrolink or DeviceNet, providing users with flexibility and compatibility with different industrial networks.

Q10: Can the MP940 be used for applications requiring precise positioning?

A10: Yes, the MP940 is well-suited for applications that demand precise positioning, thanks to its advanced motion control functions and accurate counter capabilities.

Yaskawa products are manufactured in Japan and are designed for Advanced manufacturing, milling, and factory automation usage. They come with a 2-year warranty from MRO Electric. We also carry Controllers from other manufacturers such as Schneider Electric and KUKA.

Contact Us Today For More Information About Yaskawa Products

Check out the rest of our Yaskawa product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like JEPMC-MC400, take a look at more from our Controllers line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our JEPMC-MC400 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

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