Module, single input/output 621-002
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- 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
Brand
Numens