Laser through-beam sensor OBE40M-R201-S2EP-IO-L OBE40M-R201-S2EP-IO-L Compact design with versatile mounting options DuraBeam Laser Sensors - robust and employable like an LED IO-link interface for service and process data Different frequencies to prevent mutual interference (cross-talk immunity) Broad temperature range -40°C ... 60°C High protection level IP69K