: Radar Activation Output (Normally Open / COM relay contact).
The active infrared safety curtain consists of multiple spots focused directly in front of the door threshold.
Note: Depending on the specific production series of the Opti Combi, the safety output can be set to Normally Open (NO) or Normally Closed (NC) electronically via dip-switches. 4. Field Adjustments and Programming
Microwave radar for motion detection + Active Infrared (AIR) for presence detection.