Sick GL6-F7511 Photoelectric Sensor
The Sick GL6-F7511 photoelectric sensor delivers retro-reflective detection with dual lens optics, 5 m sensing range, and PNP output. This Sick 650 nm Retro-reflective Sensor operates using visible red 650 nm PinPoint LED, supports 10–30 V DC supply, provides 1,000 Hz switching frequency, and features an IP67 rectangular housing with cable and M12 connector. It is part of Sick sensing solutions, listed under Sick Photoelectric Sensors, and belongs to the G6 Series used in industrial automation systems.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6-F7511 |
Sick GL6-F7511 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 | None |
| 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 | - |
| 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 with M12 male connector, 4-pin |
| 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 GL6-F7511 Sick 650 nm Retro-reflective Sensor is a rectangular photoelectric sensor designed for reliable object detection in industrial automation. The GL6-F7511 operates using a dual lens retro-reflective principle with a ≤ 5 m sensing range and a maximum distance of ≤ 6 m. It uses a visible red 650 nm LED and provides a PNP digital output while operating on 10–30 V DC supply. This model belongs to the G6 series and is applied in structured automation systems.
The GL6-F7511 Sick 650 nm Retro-reflective Sensor is used in conveyors, packaging equipment, automated assembly lines, and material handling applications. Its retro-reflective sensing principle supports consistent detection of objects across longer distances using reflectors. The rectangular housing allows compact installation, while the stable PNP output ensures reliable signal transmission to PLC and control systems. The fast response time supports operation in high-speed industrial automation processes.
The Sick GL6-F7511 Photoelectric Sensor delivers predictable performance through its IP67-rated enclosure, fixed optical alignment, and defined sensing characteristics. Standardized M12 connectivity, stable electrical output, and controlled sensing distance support long-term integration. As part of Sick’s industrial sensing portfolio, the GL6-F7511 is suitable for industrial automation environments requiring dependable detection, environmental resistance, and electrical reliability.
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