Sensor supervision is based on test current.The Host unit( V321 or I/O unit) of the sensor injects test current which flows
constantly through the cable & electronic components of the sensor.
The current connsumption in Non-active State & Active state is 4 mAmp & 20 mAmp respectively.
constantly through the cable & electronic components of the sensor.
The current connsumption in Non-active State & Active state is 4 mAmp & 20 mAmp respectively.