C P Electronics’ EBDSPIR-HB-PRM PIR (passive infrared) detector provides automatic control of lighting loads with optional manual control. This product has been specifically designed for the detection of movement in high bay lighting applications such as warehouses and factories. It can be used on incandescent, fluorescent and compact fluorescent lighting, and has the added benefit of being able to connect an external switch.

Two modes of operation are available. Presence detection is when movement is detected the load will automatically turn on. When the area is no longer occupied the load will automatically switch off after an adjustable time period. If an external switch is connected, this can override the lights off (after the detection time period has elapsed it will revert to automatic operation). An integral adjustable photocell allows the lights to be kept off if there is sufficient ambient light.

With absence detection the load is manually switched on using an external switch. When the area is no longer occupied the load will automatically switch off after the adjustable time period has elapsed. By pressing the switch again during occupancy it will override the lights off (after the detection time period has elapsed it will revert to automatic operation). In both modes of operation a short button press turns the load on whilst a long button press turns the load off.

An integral infra-red sensor in the unit allows the unit to be programmed using the optional DD-LCDHS-LR programming handset. This gives complete flexibility over many of the operating parameters. Without the handset, manual adjustments can be made to the sensitivity, lux and time settings using the controls on the rear of the sensor head.