Receive a Text Quote
We will send you price and availability shortly
Invalid number. Please call (800) 691-8511
Looking for a fast quote? Click here, and we'll text you.

2-year Warranty

Same Day Shipping

Control Techniques UD75


2 ratings

Select Condition


24 in stock


9 in stock


Request a formal quote

  • Ships Today
  • 2 Year Warranty
  • Free Shipping
Part NumberUD75
ManufacturerControl Techniques
TypeOption Modules
Warranty2 Year
DeviceUnidrive Classic
Option moduleLarge
Data rates5.0, 2.5, and 1.25 Mbit/s
Revision80700000005701 (obsolete) Use SM-Applications
Application Coprocessor
For UseV3 Unidrive

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 UD75 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 UD75 we also repair a wide range of other Control Techniques 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 UD75, 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

Want it shipped today?

  • Order within the next 7 hours and 50 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty UD75 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.

Control Techniques UD75 Overview

Control Techniques UD75 Option Module: Enhancing the Unidrive Classic

The Control Techniques UD75 option module is a versatile and robust addition to the Unidrive Classic series, designed to elevate its capabilities significantly. As an option module, the UD75 enhances the performance and functionality of the Unidrive Classic by serving as a large and sophisticated coprocessor crafted explicitly for applications that demand high-speed and reliable data communication. This module is pivotal in optimizing the drive's operations and extending its utility in various industrial applications.

Advanced-Data Rate Capabilities

One of the standout features of the UD75 module is its impressive range of data rates, supporting 5.0, 2.5, and 1.25 Mbit/s. This flexibility allows the module to adapt to different communication needs, ensuring efficient data transfer and processing. Whether for high-speed operations or more moderate data transfer requirements, the UD75's data rate versatility makes it a critical component for maintaining smooth and effective communication within the system.

CTNet Network Integration

The UD75 module integrates seamlessly with the CTNet network, a proprietary network designed by Control Techniques for their drive systems. This network is known for its reliability and high performance, making it ideal for industrial environments where robust communication is essential. By leveraging the CTNet network, the UD75 ensures that the Unidrive Classic can communicate effectively with other devices and systems, facilitating coordinated operations and improved system performance.

Obsolete Revision and Modern Alternatives

The UD75 module, identified with revision number 80700000005701, has reached obsolete status. Despite its obsolescence, it remains a valuable asset for those utilizing legacy systems. For users seeking contemporary alternatives, Control Techniques recommends the SM-Applications module, which offers enhanced features and capabilities, aligns with modern industrial requirements and provides a seamless upgrade path from the UD75.

Designed for V3 Unidrive Compatibility

Specifically designed for compatibility with the V3 Unidrive, the UD75 module ensures that users of this particular Unidrive version can maximize their drive's potential. The V3 Unidrive, known for its reliability and performance, is further augmented by the UD75, making it a more powerful and flexible solution for various applications. This compatibility underscores the UD75's role in extending the lifespan and functionality of the V3 Unidrive systems.

High-Performance Coprocessor Functionality

As a coprocessor, the UD75 module provides additional processing power to the Unidrive Classic. This enhanced processing capability is crucial for applications that require more computational resources than the drive's central processor can provide. By offloading specific tasks to the UD75, the overall performance and efficiency of the drive system are significantly improved. This coprocessor functionality makes the UD75 indispensable for complex and demanding industrial applications.

Control Techniques UD75 Option Module FAQ

What is the Control Techniques UD75 option module?

The UD75 is an option module designed to enhance the capabilities of the Unidrive Classic by serving as a coprocessor, offering additional processing power and advanced data communication features. It supports various data rates and integrates with the CTNet network.

What data rates does the UD75 support?

The UD75 module supports data rates of 5.0, 2.5, and 1.25 Mbit/s, allowing for flexible and efficient data communication tailored to different operational needs.

What network does the UD75 operate on?

The UD75 operates on the CTNet network, a proprietary network developed by Control Techniques known for its reliability and high performance in industrial environments.

What should I use as a replacement for the UD75 module?

Control Techniques recommends the SM-Applications module. It offers enhanced features and aligns with modern industrial requirements.

The UD75 is designed for which version of the Unidrive?

The UD75 is designed for compatibility with the V3 Unidrive, ensuring that users of this version can maximize their drive's potential with additional processing power and communication capabilities.

What benefits does the UD75 provide as a coprocessor?

As a coprocessor, the UD75 provides additional processing power to the Unidrive Classic, improving performance and efficiency for applications requiring more computational resources than the drive's central processor can handle.

Can the UD75 module improve the lifespan of my Unidrive Classic system?

Yes, by enhancing the Unidrive Classic's processing capabilities and communication efficiency, the UD75 module can help extend the system's operational lifespan and maintain its performance in demanding applications.

How does the UD75 module integrate with existing systems?

The UD75 integrates seamlessly with the Unidrive Classic and the CTNet network, ensuring smooth and reliable communication with other devices and systems within the industrial setup.

What applications are best suited for the UD75 module?

The UD75 module is ideal for applications requiring high-speed data communication and additional processing power. It is instrumental in complex and demanding industrial environments where enhanced performance and reliability are crucial.

Contact Us Today For More Information About Control Techniques Products

Check out the rest of our Control Techniques 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 UD75, take a look at more from our Option Modules 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 UD75 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.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

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...

Abbey-Purchasing Specialist