Sick GL6G-P1211 Photoelectric Sensor
The Sick GL6G-P1211 photoelectric sensor is a retro-reflective model with 5 m sensing range and PNP output capability included. This Sick photoelectric sensor from the G6 series uses 650 nm visible red light, operates on 10–30 V DC supply, features dual-lens optics, selectable light or dark switching, IP67 enclosure, and a fixed 3-wire cable connection for industrial automation environments.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6G-P1211 |
Sick GL6G-P1211 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Dual lens |
| Sensing range max. | ≤ 6 m |
| Sensing range | ≤ 5 m |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 8 mm (350 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer, 270° |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | ± 10 % |
| Current consumption | 30 mA 3) |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Switching mode selector | Selectable via light/dark selector |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 V |
| Output current Imax. | ≤ 100 mA 4) |
| Response time | < 625 µs 5) |
| Switching frequency | 1,000 Hz 6) |
| Housing | Rectangular |
| Dimensions (W x H x D) | 12 mm x 31.5 mm x 21 mm |
| Connection | Cable, 3-wire, 2 m |
| Housing material | Plastic, ABS/PC |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 60 g |
The GL6G-P1211 Sick 3-wire PNP Retro-reflective Sensor is a photoelectric sensor designed for controlled object detection in industrial automation systems. It operates with 5 m sensing range, PNP digital output, 650 nm visible red light, and a 3-wire cable connection. This model belongs to the Sick G6 series and is used where stable optical detection and defined electrical behavior are required.
The GL6G-P1211 Sick 3-wire PNP Retro-reflective Sensor is commonly applied in conveyors, packaging machines, automated assembly lines, and material handling systems. Its retro-reflective dual-lens principle supports reliable detection in compact machine layouts. Selectable light or dark switching and stable switching frequency help maintain predictable output behavior, while the IP67 enclosure supports operation in dust-prone and industrial environments.
The Sick GL6G-P1211 photoelectric sensor provides consistent sensing performance with defined electrical and mechanical characteristics. With IP67 protection, standardized housing dimensions, and controlled response time, it integrates reliably into automation systems. As part of the Sick G6 photoelectric sensor family, this model is suitable for long-term industrial use where dependable detection and stable signal output are required.
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