ENFORCER ® Photobeam Sensors
This manual provides step-by-step instructions for installing and adjusting the SECO-LARM E-931-S35RRQ retro-reflective photobeam sensor. It covers mounting the sensor and reflector, wiring connections, sensitivity adjustment, LED functions, and troubleshooting common issues. The sensor is designed for indoor/outdoor use with IP66 waterproofing and supports both AC and DC power. It is suitable for applications such as garage door safety, industrial automation, and vehicle detection.
The guide includes diagrams for mounting hardware, sample installations, and detailed procedures for aligning the sensor and adjusting sensitivity using the red and yellow LEDs as indicators.
| Model Number | E-931-S35RRQ |
|---|---|
| Type | Retro-Reflective |
| Sensing Range | 0.5 to 39.1 ft (11m) |
| Voltage Supply | 12-240 VDC or 24-240 VAC |
| Response Time | 10ms (max.) |
| Light Source | IR LED |
| Enclosure | IP 66 Waterproof |
| Ambient Temperature | -4°- 131°F (20! - 55°C) |
| Switching Capacity | 250VAC/1A, 30VDC/2A |
| Dimensions | 2" (10cm) x 118" (30mm) |
The red LED indicates the sensor is triggered. The yellow LED indicates the sensor is properly aligned with the reflector and is not triggered.
Check if the sensor sensitivity is properly set. If the object has a reflective surface, adjust the angle of the sensor or readjust the sensitivity setting.
The maximum cable extension length is 325 feet (100m).