Watlow PM Plus PID Integrated Limit Controller

  • Control/Limit Loops: 1
  • Alarms: Yes
  • Sizes: 1/32, 1/16, 1/8 DIN
  • Profiling: Yes
  • Agency Approvals: UL, CSA, CE, RoHS, FM
  • Remote Limit Reset: Yes


Introducing the Watlow PM PLUS™ PID and Integrated Limit Controller, an improvement of the EZ-ZONE® PM. It is now more intuitive and features an interface for easier programming and readability. The Watlow PM Plus creates an industry leading user experience with a SMOOTH-TOUCH™ keypad. In addition, the PM PLUS is backwards compatible with legacy EZ-ZONE PM controllers. It offers many user upgrades including an intuitive menu flow allowing the controller to configure easily.

It also continues to offer the industry leading Bluetooth® connectivity with the EZ-LINK™ mobile app. This is for remote access capability and full descriptions of parameters and error codes. In summary, the PM PLUS improves the user experience by reducing the complexity at the front of the control. It also eliminates the dependency of cables when configuring the product.

Like the original EZ-ZONE PM, the PM PLUS you can order it as a PID controller, or an integrated controller with multiple functions that combine into one.

Compatible Accessories

In addition, Watlow’s new EZ-LINK app allows users to easily setup, monitor and adjust Watlow EZ-ZONE PM and PM PLUS controllers via Bluetooth®. The app is available free of charge from the app store for phones and tablets, and provides access to the controller’s parameters with fully spelled out names in plain text with help topics that explain each parameter and option. EZ-LINK mobile application connects quickly and easily via Bluetooth® wireless communications.

In addition, COMPOSER with INTUITION® is Watlow’s easy-to-use software for configuring and customizing controllers. Use it to optimize Watlow’s F4T and EZ-ZONE PM, PM PLUS and RM controllers for specific applications.

We provide engineering and product support for your application.

Technical Documentation

Download PDF files:

PM Plus Brochure

PM Plus Specifications

PM Plus Manual


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