Addressable Single Output/ Input Module

621-002

  • Single voltage-free relay output.
  • Single input for connection to dry contact inputs.
  • Output relay for 621-002 can be powered internally, or externally to conserve loop power load (selectable at installation)
  • Monitors and signals three distinct input states
  • Normal.
  • Alarm.
  • Open-circuit.
  • Polling indicator shows quiescent operation.
  • Separate indicators for Quiescent, Alarm and Fault conditions
  • Integral isolator model available
  • DC 24 V operation.
  • Easy installation with simple address setting DIP switches.
  • Convenient 2-wire connection.
  • Available with 125 usable address settings per loop when connected to Numens control and indicating equipment.

Description