UDC2500 Universal Digital Controller



The UDC2500 universal controller is part of Honeywell’s complete line of ¼ DIN temperature controllers. This digital controller monitors and controls temperature and other variables such as flow, level and pressure in several applications, including furnace and ovens, environmental chambers and packaging machinery. The UDC2500 universal controller is also available with FM approval as a high/low temperature limit.


• 1 Universal Input + 1 high level input

• 0.25% Accuracy • Fast scanning rate (166ms)

• Up to 5 Analog or Digital Output Types

• 2 Digital Inputs

• Ethernet and Modbus communication

• Infrared PC & Pocket PC configuration

• NEMA4X and IP66 front face protection

• Multilanguage prompts

• ¼ DIN Size

• Jumper free configuration

• Easily Field Upgradable

• Downward compatibility with existing UDC2300 applications

• Limit model

The standard features include Accutune III™ and the popular single display, automatic mode model. A Dual Display model with Automatic/Manual control modes is optional. A Limit Control model is also available.

The UDC2500 provides a ¼ DIN sized alternative for many applications. Its features include: Universal AC power supply, optional RS422/485 Modbus® RTU or Ethernet 10Base-T TCP/IP communication protocols, input/output isolation, Isolated Auxiliary Current output. When these are combined with the Accutune III™ tuning with fuzzy logic overshoot suppression, the result is price/performance leadership.

Configuration can be done with a PC through communication or with a Pocket PC, using the embedded infra red communication port. No need to get access to the back of the controller to download or upload a brand new configuration! For the many thousands of satisfied UDC2300 users, the UDC2500 is downward-compatible with most existing UDC2300 applications.