SICK GSE10-N1231S01 Through-beam Photoelectric Sensor 80m NPN – Superior Long-Range Detection
Highlights
- SICK GSE10-N1231S01 Through-beam Photoelectric Sensor: Special version (S01) of the G10 series, featuring an extended sensing range of up to 80 m — twice that of standard models in the same series.
- Output: NPN (switchable Light ON / Dark ON), supply voltage DC 10–30 V, 3-wire cable connection, 2 m length.
- Ideal Applications: Long-distance object detection in factories, warehouses, and outdoor conveyor systems.
- High Durability: Average service life of 100,000 hours (at +25°C), optimized design for installation in confined spaces with reliable and stable performance.
- Part Number: 1095561 (according to SICK catalogue).
What type of sensor is the GSE10-N1231S01?
The GSE10-N1231S01 through-beam photoelectric sensor from SICK operates based on the through-beam principle: the emitter and receiver are separated into two individual units positioned opposite each other. The emitter transmits a light beam directly to the receiver. When an object passes through and interrupts the light beam, the NPN output signal changes state to send a detection signal to the PLC or control system.
Detailed Technical Specifications – SICK GSE10-N1231S01
Specifications from the official SICK datasheet (Part No. 1095561):
| Parameter |
Value |
| Part Number |
1095561 |
| Model |
GSE10-N1231S01 |
| Operating Principle |
Through-beam photoelectric sensor |
| Sensing range max. |
0 m … 80 m |
| Sensing range |
0 … 55 m |
| Light Type |
Visible red light – PinPoint LED |
| Wavelength |
625 nm |
| Switching Output |
NPN – Light/Dark switching (selectable) |
| Maximum Output Current |
≤ 100 mA |
| Supply Voltage |
10 V DC … 30 V DC |
| Connection Type |
Cable, 3-wire, 2 m |
| Response Time |
≤ 500 µs |
| Switching Frequency |
1,000 Hz |
| Enclosure Rating |
IP67 |
| Housing Material |
Plastic ABS/PMMA |
| Dimensions (W × H × D) |
20 mm × 50 mm × 39 mm |
| Weight |
180 g |
| Ambient Operating Temperature |
–30 °C … +60 °C |
| Storage Temperature |
–40 °C … +70 °C |
| Average Service Life |
100,000 h at TU = +25 °C |
| EMC Standard |
EN 60947-5-2 |
| UL Standard |
UL File No. NRKH.E348498 & NRKH7.E348498 |
| Adjustment |
Potentiometer (270°) |
Specifications from the official SICK GSE10-N1231S01 datasheet
How Does the SICK GSE10-N1231S01 Work?
Operating principle of the GSE10-N1231S01 through-beam photoelectric sensor:
- The emitter (sender) projects a focused red PinPoint LED beam (625 nm) directly toward the separate receiver mounted opposite it.
- The receiver continuously monitors the intensity of the light beam received from the emitter.
- No object present: The light beam reaches the receiver uninterrupted → NPN output remains in its normal state.
- Object interrupts the beam: The light path is completely blocked → the receiver loses the signal → NPN output switches state → PLC or control system receives the detection signal.
- With a fast response time of ≤ 500 µs and switching frequency of 1,000 Hz, the sensor ensures reliable detection of fast-moving objects.
Field experience from AUMI’s technical team: At operating distances of 40–60 m, detection performance remains stable even in light-dust environments. For heavy-dust, vapor, or high-humidity conditions, installing the optional mounting bracket (BEF-G10UC01) and adding protective covers.
Key Advantages of the SICK GSE10-N1231S01 Through-beam Sensor
- 80 m detection range: The S01 special variant extends the range to 80 m – suitable for large warehouses, factory gates, and wide-area automatic sorting systems.
- PinPoint LED – precise, narrow beam: PinPoint LED technology produces a small, focused light spot, minimizing interference from ambient light and improving detection accuracy.
- IP67 – fully dust-tight and water-resistant: Per IEC 60529, IP67 protects against complete dust ingress and temporary immersion in water – suitable for harsh industrial environments.
- On-device adjustment: The integrated 270° potentiometer allows technicians to fine-tune sensitivity directly on-site without additional programming tools.
- Compact housing 20×50×39 mm: Small footprint fits tight installation spaces; metal-reinforced mounting holes ensure high mechanical durability.
Industrial Applications of the SICK GSE10-N1231S01
With a sensing range of up to 80 meters, the GSE10-N1231S01 is an ideal solution for applications requiring long-distance detection, high reliability, and robust performance in harsh industrial environments. Below are some of its most common practical applications:
- Detection of forklifts and trucks at warehouse gates: The sensor can be installed to monitor vehicle movement (forklifts, trucks, or containers) from a distance of 30–80 m. It enables automatic gate control, vehicle logging, and enhanced security for large warehouse areas.
- Monitoring of long conveyor systems in factories: Particularly suitable for textile, cement, steel, fertilizer, and other heavy industries. The sensor reliably detects material presence on long conveyor belts, identifies blockages, belt breakage, or material shortages from a distance, thereby optimizing continuous production and minimizing machine downtime.
- Obstacle detection on AGV/AMR routes: Installed along the travel paths of automated guided vehicles (AGV) and autonomous mobile robots (AMR) to detect obstacles, personnel, or other equipment in real time, ensuring safe operation in smart factory logistics systems.
- Access control for automatic sliding doors and parking barriers: Used to detect approaching vehicles from a long distance and automatically open sliding doors (cold storage, factory entrances) or parking barriers. The switchable Light ON / Dark ON function provides high flexibility to meet various application requirements.
- Pallet and container detection in automated storage/retrieval systems (AS/RS): In high-bay automated warehouses, the sensor accurately confirms the position of pallets, containers, or goods at elevated levels and deep aisles, supporting precise control for storage and retrieval operations.
Comparison: GSE10-N1231S01 vs. Similar G10 Models
| Model |
Operating Principle |
Sensing Range |
Output |
Connection |
Key Features |
Recommended Applications |
| GSE10-N1111 |
Through-beam |
0 – 40 m |
NPN |
2 m cable (3-wire) |
Standard model, balanced cost and performance |
Medium-range, general applications |
| GSE10-N1231S01 |
Through-beam |
0 – 80 m (S01 version) |
NPN |
2 m cable (3-wire) |
Double sensing range, special long-distance version, superior performance at extended range, high durability |
Long-distance (>40 m), large warehouses, long conveyors |
| GSE10-P1211 |
Through-beam |
0 – 40 m |
PNP |
2 m cable (3-wire) |
PNP output, compatible with most European PLCs and Asian systems |
Systems requiring PNP output |
| GSE10-N4211 |
Through-beam |
0 – 40 m |
NPN |
M12 4-pin |
M12 connector provides superior sealing, ideal for harsh environments |
Dusty or dirty environments, applications requiring maximum reliability |
Choose the GSE10-N1231S01 when: you need a detection range exceeding 40 m, space is available to mount the emitter and receiver opposite each other, and your control system uses NPN inputs.
Wiring and Installation Guide – SICK GSE10-N1231S01
Wiring Diagram (3-wire NPN)
| Wire Color |
Function |
| Brown |
+VDC (10–30 V DC) |
| Blue |
0 V (GND) |
| Black |
NPN Output (OUT) |
Installation Steps
Step 1 – Position the emitter and receiver
Mount the emitter (sender) and receiver opposite each other on the same optical axis. The distance between them can range from 1 m to 80 m depending on the application.
Step 2 – Secure the devices
Fix both the emitter and receiver securely to mounting brackets using M4 bolts or the optional BEF-G10UC01 mounting clips. Ensure both units are stable and properly aligned.
Step 3 – Wiring
- Connect the emitter to the power supply (DC 10–30 V).
- Connect the receiver according to the 3-wire NPN wiring diagram. Verify that the power supply is stable before turning on the sensor.
Step 4 – Optical Alignment
Power on the emitter first. Observe the LEDs on the receiver:
- Steady and strong green LED = correct optical alignment.
- Flashing or weak yellow LED = misalignment; adjust the direction of the emitter or receiver until the signal is maximized. Use the potentiometer on the receiver to fine-tune sensitivity if necessary.
Step 5 – Functional Test
Pass a test object (hand, pallet, or any opaque object) through the light beam between the emitter and receiver. The yellow LED on the receiver must change state clearly (Light ON or Dark ON depending on the selected mode). Test at multiple points along the beam path to ensure reliable detection.
FAQ – Frequently Asked Questions about SICK GSE10-N1231S01
Q: What materials can the GSE10-N1231S01 photoelectric sensor detect?
A: It detects virtually all opaque objects including metal, plastic, wood, paper, and fabric. For transparent or highly reflective objects (glass, metallic mirrors), real-world testing is recommended or contact AUMI for an alternative model recommendation.
Q: Can the SICK GSE10-N1231S01 be used outdoors?
A: Yes. The IP67 rating and operating temperature range of –30 °C to +60 °C allow outdoor installation under normal conditions. For direct sunlight or heavy rain environments, adding a protective sun shield is advisable to extend service life.
Q: What is the minimum detection distance for the GSE10-N1231S01?
A: According to the datasheet, the minimum sensing distance is 0 m (no dead zone). In practice, a minimum distance of 0.5 m to 1 m is recommended for easier and more stable optical alignment, especially at longer ranges.
Q: How much does the SICK GSE10-N1231S01 cost?
A: Pricing depends on quantity and current availability. Contact AUMI via hotline or email for an accurate and fast quote – all products are 100% genuine SICK with full VAT invoicing.
Q: Is AUMI an authorized SICK distributor?
A: Yes. AUMI is an official authorized distributor of SICK in Vietnam. All products come with CO/CQ certificates, official SICK warranty, and full technical support from AUMI’s engineering team.
Contact AUMI for expert advice and best pricing on the SICK GSE10-N1231S01
📞 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 Biên
- HCMC: Floor 2, HS Building, 260/11 Nguyen Thai Binh, Tan Binh District
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