Honeywell UDC3500 Temperature Controller

  • 1/4 DIN size controller
  • Available as a single- or dual-loop controller
  • ± 0.10% Analog Input Accuracy (can be Field Calibrated to ± 0.05%)
  • Fast scanning rate (166ms)
  • Up to 7 Analog and Digital Outputs
  • 4 Digital Inputs


Honeywell UDC3500, Universal Digital Controller, is a microprocessor-based stand-alone controller. It combines a high degree of functionality and operating simplicity in a 1/4 DIN size controller. This instrument is an ideal controller for regulating temperature and other process variables in numerous heating and cooling applications, as well as in metal working, food, pharmaceuticals, semiconductor, testing and environmental work. The Honeywell UDC3500 monitors and controls temperatures and other variables in applications such as environmental chambers, plastic processing machines, furnaces and ovens, and packaging machinery.

More Features:

  • Two Math Functions, two Characterizers, one Polynomial equation and one Totalizer available
  • Two Independent Loops or Cascade Loop
  • Up to four 20-segment Setpoint Programs (can be concatenated to form two 40- segment Setpoint Programs)
  • Ethernet TCP/IP with Email or RS-485 Modbus communication
  • Infrared PC & Pocket PC configuration
  • NEMA4X and IP66 front face protection
  • Multilanguage prompts
  • Easily Field Upgradeable


Technical Documentation

UDC3500 Technical Documentation

Download this PDF for more information:

Honeywell UDC3500 Model Selection Guide

Honeywell UDC3500 Product Manual

Honeywell Controllers General Brochure