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DC Digital Positioner (High Resolution)


The DHC-400 DC Digital High Resolution controller provides the optimum positioner for virtually any DC powered actuator and has a wide operating voltage range of 10 to 30 VDC. The DHC-104 can mount in place of a DMC-100 Series controller which provides for easy upgrades in existing applications.

  • Adaptive Control feature continuously adjusts for load and actuator conditions and positions to ±0.1° with quarter-turn actuators ranging from 2 sec to 120 sec (with or without a brake).
  • Three button control provides easy setup and eliminates the need for instrumentation, calibration procedures, and auto-cal operations.
  • Polarity Detection feature allows direct or reverse acting operation without re-wiring.
  • Electronic Brake feature can eliminate need for a mechanical brake and extends brake life if used.
  • Stall Detection and Motor Current Trip feature protects actuator and/or valve from an over torque or stall condition.
  • Electronic Surge Supression reduces wire size and battery/power supply requirements to 20% of locked rotor current.
  • Automatic Duty Cycle Control feature prevents shutdown of a process due to a thermal overload of the actuator motor.

Model Description List
DHC-400   DC Digital High Resolution Controller $432.00

Option Modules

Model Description List
OTX-101   Isolated 2-wire 4-20mA Transmitter (adjustable) $72.00
OTR-101 Isolated Transmitter (adjustable) and Relay module $154.00
OCM-102 Modbus Module (Isolated RS-485 connection)


Model Description List
AMM-100 Auto/Manual Station interface module $40.75

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