Sick GL6-P0111S91 Photoelectric Sensor
The Sick GL6-P0111S91 retro-reflective photoelectric sensor delivers 5 m sensing range, PNP output, and 15 mm light spot operation. This GL6-P0111S91 Sick 15mm Light Spot Retro-reflective Sensor uses visible red 650 nm LED, operates on 10–30 V DC supply, supports 1,000 Hz switching frequency, and features an IP67 rectangular ABS housing with M8 connector. It is part of Sick sensing solutions, listed under Sick Photoelectric Sensors, and belongs to the G6 Series for industrial automation systems.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | GL6-P0111S91 |
Sick GL6-P0111S91 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Dual lens |
| Sensing range max. | ≤ 5 m |
| Sensing range | - |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 15 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 | 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 with M8 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-P0111S91 Sick 15mm Light Spot Retro-reflective Sensor is designed for precise object detection in industrial automation environments. The GL6-P0111S91 operates using a defined ≤ 5 m sensing range and visible red 650 nm LED light source. It provides a stable PNP digital output while running on 10–30 V DC supply and is classified within the G6 photoelectric sensor series.
The GL6-P0111S91 Sick 15mm Light Spot Retro-reflective Sensor is commonly applied in conveyors, packaging equipment, automated assembly lines, and material handling systems. Its defined light spot size supports accurate detection of objects with controlled reflectivity. The IP67-rated rectangular housing ensures consistent electrical performance in enclosed industrial automation panels and production lines.
The Sick GL6-P0111S91 Photoelectric Sensor offers consistent optical performance and electrical stability for industrial sensing tasks. Its fast response time and controlled switching behavior support PLC-based control architectures. As part of Sick’s G6 sensing portfolio, the GL6-P0111S91 is suitable for reliable and repeatable photoelectric sensing in industrial automation applications.

