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UPC Protherm 455 1/2 DIN Touch Screen Controller


4th Generation Touch-Screen Enabled Process Controller For Heat Treating

The PROTHERM 455 is a 1/2 DIN powerful controller designed to monitor, control and record a variety of heat treating processes. Used in new furnaces as well as for refurbishing or updating existing systems, it is ideal for nitriding, nitrocarburizing, carburizing, carbonitriding, hardening, tempering and vacuum furnaces.


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Main Features


  • Full touch screen functionality makes intuitive menu-driven interface even simpler to use
  • Configured for 3 Internal PID loops, expandable to 32 control loops, to regulate configured process parameters such as furnace temperature, quench oil temperature as well as atmosphere parameters (e.g., carbon flow, carbon potential, nitriding potential, oxygen potential and many others)
  • Soft PID controllers within the device can be set-up in a cascade
  • Advanced auto-tuning PID and Cascade capabilities
  • Load-oriented treatments - real-time monitoring of jobs at all stages of the process
  • All process parameters can be configured with alarm limits
  • Built-in trending capability
  • Process variables are viewed and recorded by chart recorders
  • Log files can be downloaded to a remote computer for archiving & viewing with UPC chart recorder
  • Encrypted log files
  • Security level password protection - user access to different functions is password protected
  • Up to 200 treatments and templates can be created, modified and controlled
  • 200 foreground programs in easy to use, industry standard opcode language
  • Acts as a highway supervisor for up to 16 slave instruments. Communications compatibility with popular temperature controllers
  • Supports legacy MMI and MODBUS protocols as well as Ethernet MODBUS over TCP
  • Compatible with all popular data acquisition software application packages





  • Direct drop-in replacement for Marathon'’s CarbPro, DualPro, MultiPro, and Carb PC *
  • Supports Marathon recipes
  • Compatible with all legacy Marathon software
  • Redundant probe feature is standard