SICK GL6-N1111 Retro-Reflective Photoelectric Sensor 6M NPN – Genuine Product at AUMI
Highlights
- Retro-reflective photoelectric sensor from SICK’s G6 product family (Germany), widely used in industrial automation
- Sensing range up to 6 m with NPN output
- Integrated polarized filter for stable detection and reduced false reflections
- Equipped with 650 nm red PinPoint LED for precise light spot and easy alignment
- IP67 protection rating, suitable for dusty and humid industrial environment
- Officially distributed by AUMI – authorized SICK distributor in Vietnam
Overview of the SICK GL6-N1111 Retro-Reflective Photoelectric Sensor
The SICK GL6-N1111 6m NPN photoelectric sensor belongs to the G6 series – SICK’s compact next-generation photoelectric sensor line from SICK AG, a world-leading sensor manufacturer based in Waldkirch, Germany. The GL6-N1111 operates on the retro-reflective principle, where the red light beam from the sensor is reflected back via a retroreflective reflector to detect objects crossing the optical path.
The GL6-N1111’s key differentiator is its dual lens system – two separate lenses for the emitter and receiver – which maintains a minimum distance to the reflector and prevents detection errors at close range. Combined with the built-in polarization filter, the sensor can ignore specular reflections from moving shiny objects, only responding to signals from proper retroreflective reflectors, significantly reducing false detections in industrial environments.
With an NPN (negative switching) output and a 1,000 Hz switching frequency, the GL6-N1111 is fully compatible with most PLCs, pulse counters, and industrial control systems commonly used in Vietnam.
5 Key Specifications of GL6-N1111:
- Sensing range: 0.07 m – 5 m (typical), max 0.03 m – 6 m with PL80A reflector
- Output: NPN, maximum load current 100 mA
- Protection rating: IP67 – dust-tight, water immersion up to 1m/30 minutes
- Supply voltage: 10 – 30 VDC, current consumption 30 mA (no load)
- Response time: < 625 µs, switching frequency 1,000 Hz
Technical Specifications – SICK GL6-N1111
| Parameter |
Value |
| Operating principle |
Retro-reflective photoelectric – dual lens system |
| Sensing range (typical) |
0.07 m – 5 m (PL80A reflector) |
| Sensing range (max) |
0.03 m – 6 m (PL80A reflector) |
| Light source |
PinPoint LED red, 650 nm, avg. service life 100,000 h |
| Light spot size |
Ø 8 mm (at 350 mm distance) |
| Polarization filter |
Yes |
| Supply voltage |
10 – 30 VDC (ripple ±10%) |
| Current consumption |
30 mA (no load) |
| Output type |
NPN |
| Switching mode |
Light/dark switching – selectable via selector |
| Max output current |
≤ 100 mA (≤ 50 mA when Uv > 24V) |
| Response time |
< 625 µs |
| Switching frequency |
1,000 Hz (light/dark ratio 1:1) |
| Dimensions (W×H×D) |
12 × 31.5 × 21 mm |
| Connection |
Cable, 3-wire, 2 m (PVC), conductor size 0.14 mm² |
| Housing material |
Plastic ABS/PC – front screen PMMA |
| Weight |
60 g |
| Enclosure rating |
IP67 |
| Ambient operating temp. |
–25°C to +55°C |
| Storage temperature |
–40°C to +70°C |
| MTTFD |
2,084 years |
| Circuit protection A/B/D |
VS reverse-polarity
I/O reverse-polarity
Output short-circuit |
| Certifications |
EU/UK/ACMA/Morocco CoC, China RoHS, cULus, DIN EN 62471 |
Specifications from SICK GL6-N1111 Datasheet – SICK AG
Industrial Applications of the SICK GL6-N1111 Photoelectric Sensor
With a maximum sensing range of 6m, IP67 rating, and ultra-fast response time under 625 µs, the SICK GL6-N1111 retro-reflective sensor is well-suited for a wide range of demanding industrial applications:
Packaging Lines and Conveyor Belts
The GL6-N1111 is mounted along conveyor belts to detect the presence of cartons, bottles, or pallets. The 1,000 Hz switching frequency ensures no product is missed even at high conveyor speeds. IP67 protection makes the device resilient to dust and moisture in production warehouses.
Safety Gates and Automatic Doors
A 6m sensing range allows the GL6-N1111 to cover wide warehouse entrances, factory gates, or forklift aisles. When an object interrupts the light beam, the NPN signal triggers immediately to halt doors or activate safety alarms, helping prevent workplace accidents.
Counting and Sorting Systems
Combined with a PLC pulse counter, the GL6-N1111 accurately counts individual products on production lines. The polarization filter eliminates interference from reflective packaging, ensuring accurate counts even with highly reflective product wrapping.
Position Detection in Automated Warehouses
In AS/RS warehouses or automated storage systems, the GL6-N1111 detects pallet positions, AGV locations, or monitors stock levels horizontally. Its compact dimensions (12×31.5×21mm) allow flexible mounting on rack frames or guide columns.
CNC Machines and Machining Equipment
Mounted at CNC machine doors, the GL6-N1111 confirms workpiece placement before machining begins or detects mechanical jams. The < 625 µs response time ensures timely reaction for protective systems to intervene before any damage occurs.
GL6-N1111 vs GL6-N1112 Comparison – Which Model to Choose?
The GL6-N1111 and GL6-N1112 are both from SICK’s G6 retro-reflective sensor series with identical technical specifications. The key difference lies in the included accessories and pricing:
| Criteria |
GL6-N1111 |
GL6-N1112 |
| Part No. |
1050709 |
1051780 |
| Operating principle |
Retro-reflective |
Retro-reflective |
| Typical sensing range |
0.07 – 5 m |
0.07 – 5 m |
| Max sensing range |
0.03 – 6 m |
0.03 – 6 m |
| Output |
NPN |
NPN |
| Supply voltage |
10 – 30 VDC |
10 – 30 VDC |
| Protection rating |
IP67 |
IP67 |
| Connection |
Cable, 3-wire, 2m |
Cable, 3-wire, 2m |
| Included accessories |
None (purchase separately) |
P250 reflector + BEF-W100-A stainless steel bracket |
| Best choice when |
Reflector & bracket already available |
New installation, need complete kit immediately |
Note: If you already have a reflector and mounting bracket on-site, choose GL6-N1111 to save cost. For a first-time installation requiring a complete ready-to-mount kit, choose GL6-N1112 – includes P250 reflector and BEF-W100-A stainless bracket, saving time on sourcing accessories separately.
Why Buy the SICK GL6-N1111 Photoelectric Sensor from AUMI?
You can purchase the genuine SICK GL6-N1111 retro-reflective photoelectric sensor at AUMI – SICK’s authorized distributor in Vietnam – with competitive pricing, full warranty, and 24/7 technical support. AUMI guarantees:
- 100% genuine SICK products, original seals, full CO/CQ documentation with traceable origin
- Official warranty, 24/7 technical hotline, on-site support in Hanoi, Ho Chi Minh City, and Da Nang
- Nationwide delivery, ready stock in Hanoi and HCMC, expert model and accessory selection advice
Frequently Asked Questions About the SICK GL6-N1111 (FAQ)
Q1: How much does the SICK GL6-N1111 retro-reflective photoelectric sensor cost?
A: The price of the GL6-N1111 depends on quantity and timing. Contact AUMI at 0917 991 589 (Hanoi) or 0932 226 100 (HCMC) for the best quote and expert guidance on the right model for your application.
Q2: Is the GL6-N1111 suitable for wet or humid environments?
A: Yes. The GL6-N1111 achieves IP67 – completely dust-tight and capable of withstanding water immersion up to 1m for 30 minutes. It is suitable for food and beverage plants and humid production environments.
Q3: Is the GL6-N1111 compatible with PLCs?
A: Yes. The GL6-N1111 features an NPN (negative switching) output, compatible with most PLCs available in Vietnam including Siemens S7, Mitsubishi FX, Omron, Delta, Schneider and others. The flexible 10–30 VDC supply is compatible with standard industrial control cabinets.
Q4: What is the difference between GL6-N1111 and GL6-N1112?
A: Both models share identical technical specifications. The only difference is that GL6-N1112 includes a P250 reflector and BEF-W100-A stainless steel bracket in the box, while GL6-N1111 is the sensor only. Choose GL6-N1111 if you already have accessories; choose GL6-N1112 for a brand-new installation.
Q5: Where to buy genuine SICK GL6-N1111 photoelectric sensor?
A: AUMI is SICK’s authorized distributor in Vietnam, guaranteeing 100% genuine products with full seals and CO/CQ documents. Official warranty, 24/7 technical support. Hotline: 0917 991 589 (Hanoi) | 0932 226 100 (HCMC). Email: [email protected]
Contact AUMI to Purchase SICK GL6-N1111
AUMI – Official SICK Distributor in Vietnam. Genuine warranty, full CO/CQ, 24/7 technical support.
📞 Hotline: 0917 991 589 (Hanoi) | 0932 226 100 (HCMC)
📧 Email: [email protected]
🌐 Website: https://aumi.com.vn/
📍 Offices:
- Hanoi: B44, Garden Villa Area, Viet Hung Urban Area, Long Bien
- HCMC: Floor 2, HS Building, 260/11 Nguyen Thai Binh, Tan Binh District
- Da Nang: Floor 9, PV Bank Tower, No.2 Road 30-4, Hoa Cuong Ward
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