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Process Controls > Temperature Controls > Single Loop Controllers > Watlow

Watlow EZ Zone PM Series
The EZ-ZONE PM panel mount controller from Watlow offers control options to reduce system complexity and the cost of thermal loop ownership. It is ideal as a PID controller and is available in 1⁄32, 1⁄16, 1⁄8 and 1⁄4 DIN panel mount packages. Many communication options are offered to support connectivity needs.

Watlow Single Loop Controllers

  • Current monitoring
    Detects heater current flow and provides alarm indication of a failed output device or heater load
  • Serial communication capabilities
    Provides a wide range of protocol choices including ModbusR RTU, EtherNet/IP™, ModbusR TCP, PROFIBUS DP and DeviceNet™
    Supports network connectivity to a PC or PLC
  • Advanced PID control algorithm
    Offers TRU-TUNER+ adaptive control to provide tighter control for demanding applications
    Provides auto-tune for fast, efficient start-up
  • Configuration communications with software
    Includes Watlow standard bus communications and EZ-ZONE configurator software
    Saves time and improves reliability of controller setup
  • Ten-point linearization curve
    Improves sensor accuracy
  • Built-in sensor compensation curves
    Saves cost of buying compensated sensors
    Includes Vaisala RH and altitude (pressure) curves
  • Remote set point operation
    Supports convenient set point manipulation from a remote device such as a master control or PLC
  • Profile capability
    Offers pre-programmed process control
    Allows ramp/soak programming with 40 total steps, battery backup and real time clock
  • EZ-KEY
    Enables simple, one-touch operation of user-defined, repetitive activities
  • Programmable menu system
    Reduces setup time and increases operator efficiency
  • Enhanced control options
    Easily handles complex process problems such as cascade, ratio, differential, square-root, motorized valve control without slidewire feedback, wet-bulb/dry-bulb, compressor control



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