SICK GSE10-N4211 Through-Beam Photoelectric Sensor 40m NPN – Long-Range, M12 Quick-Connect
Highlights
- SICK GSE10-N4211 Through-Beam Photoelectric Sensor: A through-beam (transmitter + receiver) model from the G10 series, offering a maximum sensing range of 40 m.
- Output: NPN, supply voltage DC 10–30 V, equipped with standard M12 4-pin connector for quick and easy installation and maintenance.
- Key Features: High reliability, excellent performance in industrial environments, and IP67 protection rating against dust and water.
- Durability: Average service life of 100,000 hours (at +25°C), with a compact design optimized for installation in tight spaces.
- Part Number: 1088390 (according to SICK datasheet).
What type of sensor is the GSE10-N4211?
The SICK GSE10-N4211 operates on the through-beam principle: a separate emitter and receiver are mounted opposite each other, forming a light beam between them. When an object breaks the beam, the receiver loses the signal and the NPN output switches state, triggering the PLC or control system.
Detailed Technical Specifications – SICK GSE10-N4211
Accurate specifications from the SICK datasheet (Part No. 1088390):
| Parameter |
Value |
| Part Number |
1088390 |
| Model |
GSE10-N4211 |
| Operating Principle |
Through-beam photoelectric sensor |
| Sensing range max. |
0 m … 40 m |
| Sensing range |
0 m … 35 m |
| Light Type |
Visible red light – PinPoint LED |
| Wavelength |
625 nm |
| Light Spot Size |
Ø 180 mm at 15 m distance |
| Switching Output |
NPN – Light/Dark switching (selectable) |
| Maximum Output Current |
≤ 100 mA |
| Supply Voltage |
10 V DC … 30 V DC |
| Connection Type |
Male connector M12, 4-pin |
| Response Time |
≤ 500 µs |
| Switching Frequency |
1,000 Hz (at 1:1 light/dark ratio) |
| Switching Mode Selector |
Selectable via light/dark selector switch |
| Enclosure Rating |
IP67 |
| Housing Material |
Plastic ABS/PMMA |
| Dimensions (W × H × D) |
20 mm × 50 mm × 39 mm |
| Weight |
≈ 70 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 |
NRKH.E348498 & NRKH7.E348498; UL325 |
| Adjustment |
Potentiometer (270°) |
| Test Input |
Sender OFF at ‘Test’ = 0 V |
Specifications from the official SICK GSE10-N4211 datasheet
How Does the SICK GSE10-N4211 Through-Beam Sensor Work?
Through-beam operating principle of the GSE10-N4211:
- The emitter (GSE10 transmitter) projects a focused red PinPoint LED beam (625 nm) toward the receiver mounted on the opposite side.
- The receiver continuously monitors the intensity of the light received from the emitter.
- No object present: continuous light reception → NPN output in normal state.
- Object breaks beam: light blocked → receiver loses signal → NPN output switches (ON/OFF).
- Response time ≤ 500 µs enables detection of high-speed objects on fast-moving conveyor lines.
Practical note from AUMI engineers: For through-beam installations at distances exceeding 20 m, precise optical alignment between emitter and receiver is critical. SICK provides laser alignment tools that reduce on-site alignment time from 30 minutes to under 5 minutes.
Key Advantages of the SICK GSE10-N4211 Photoelectric Sensor
- 40 m through-beam range: A 40 m through-beam range in a compact 20×50 mm block housing is among the longest available in this form factor globally.
- M12 4-pin connector – flexible and easy to replace: The industry-standard M12 4-pin connector enables quick connect/disconnect, ideal for environments requiring frequent maintenance or rapid sensor replacement.
- PinPoint LED – narrow beam, minimal cross-talk: A light spot of Ø 180 mm at 15 m ensures precise detection even in environments with multiple reflective surfaces nearby.
- On-device Light/Dark switching: No software required – simply toggle the physical selector switch on the sensor body to choose Light ON or Dark ON mode.
- IP67 – fully dust-tight, water-resistant: Suitable for food processing plants, wash-down environments, carwash systems, and any application with high hygiene requirements.
Industrial Applications of the SICK GSE10-N4211
With its through-beam operating principle and a maximum sensing distance of up to 40 m, the GSE10-N4211 delivers extremely high reliability, excellent noise immunity, and fast response time. It is particularly well-suited for applications that demand superior accuracy and safety in harsh industrial environments. Below are some of its most common practical applications:
- Detection of trucks and containers at factory access gates: The sensor is installed with the emitter and receiver positioned on opposite sides of the gate, enabling reliable long-distance monitoring at 15–30 m. It facilitates automatic vehicle identification, supports logistics management, enhances security, and enables fast, precise automatic gate control.
- Entry/exit control for freight elevators and industrial lifts: The sensor provides precise detection of goods or pallets entering or exiting freight elevators. In industrial vertical conveyors, it ensures safety by detecting material presence and preventing operation when obstacles are detected, thereby optimizing multi-level material handling processes.
- Pallet detection on roller conveyors in automated warehouses: The through-beam sensor is mounted along roller conveyor lines to reliably confirm the presence and position of pallets. Its ability to detect consistently — even with dark or glossy pallet surfaces — ensures smooth operation of automated warehouse control systems, reduces errors, and prevents collisions.
- Path monitoring for automated guided vehicles (AGV) in electronics manufacturing plants: Installed along AGV travel paths or corridors, the sensor promptly detects obstacles, personnel, or other equipment. In high-cleanliness and high-safety electronics manufacturing environments, the GSE10-N4211 offers superior accuracy and rapid response, contributing to continuous and safe AGV operation.
- Detection of large objects on airport baggage sorting lines: Applied on baggage handling and sorting conveyors at airports to detect suitcases and large luggage items. Thanks to its long sensing range and high reliability, the sensor supports efficient automated sorting systems, minimizes baggage jams, and optimizes processing speed.
- Safety control for automatic sliding doors in chemical plants: Used to monitor automatic sliding doors in hazardous areas. The sensor reliably detects obstacles even in environments with dust, chemical vapors, or high humidity, ensuring doors only open or close when safe, thereby significantly enhancing operator and equipment safety.
Comparison: GSE10-N4211 vs. Similar G10 Models
| Model |
Operating Principle |
Sensing Range |
Output |
Connection |
Key Features |
Recommended Applications |
| GSE10-N4211 |
Through-beam |
0 – 40 m |
NPN |
M12 4-pin |
Highest reliability, excellent noise immunity, fast installation with M12 connector, ideal for harsh environments |
High-precision & safety-critical applications (conveyors, gates, AGV, airports) |
| GSE10-P4211 |
Through-beam |
0 – 40 m |
PNP |
M12 4-pin |
Same performance as N4211 but with PNP output, easy integration with European PLCs |
Systems requiring PNP output, high-reliability environments |
| GSE10-N1111 |
Through-beam |
0 – 40 m |
NPN |
2 m cable (3-wire) |
Cable version, lower cost, easier maintenance where connectors are not required |
Fixed installations, medium distance, cost-sensitive applications |
| GSE10-N1231S01 |
Retro-reflective |
0 – 80 m (S01) |
NPN |
2 m cable (3-wire) |
Double sensing range, special long-distance version |
Large warehouses, long conveyors, wide factory gates, high-bay AS/RS |
Selection Guide:
- Choose GSE10-N4211 when: You need the highest level of reliability and noise immunity (dusty, bright ambient light, or challenging object surfaces), prefer quick installation and maintenance with M12 connector, and your system uses NPN output.
- Choose GSE10-N1231S01 when: You require extended sensing distance (over 40 m, up to 80 m), can install a reflector opposite the sensor, and want a cost-effective solution using only one sensor unit.
- Choose GSE10-P4211 when: Your PLC or control system requires PNP output.
Wiring and Installation Guide – SICK GSE10-N4211
M12 4-Pin Connector Wiring Diagram (NPN)
| M12 Pin |
Wire Color |
Function |
| Pin 1 |
Brown |
+VDC (10–30 V DC) |
| Pin 3 |
Blue |
0 V (GND) |
| Pin 4 |
Black |
NPN Output (OUT) |
| Pin 2 |
White |
Test Input |
Through-Beam Installation Steps
Step 1 – Position emitter and receiver: Mount the emitter (GSE10 transmitter) and receiver on opposite sides on the same optical axis, at a distance of 1–40 m.
Step 2 – Connect cables: Use standard M12 4-pin cables (any required length). SICK DoL-1204 cables or equivalent are recommended.
Step 3 – Wire the connections: Follow the M12 4-pin wiring diagram. Verify DC power supply stability (10–30 V) before energizing.
Step 4 – Align the optics: Power on the emitter first. A steady green LED on the receiver indicates correct alignment. Adjust emitter/receiver angles until the green LED reaches maximum brightness.
Step 5 – Functional test: Pass a test object through the beam; the yellow LED on the receiver must change state.
FAQ – Frequently Asked Questions about SICK GSE10-N4211 40m NPN
Q: What is the difference between the GSE10-N4211 NPN and GSE10-P4211 PNP?
A: The GSE10-N4211 has an NPN output (switches to 0 V / sinks current when activated), while the GSE10-P4211 has a PNP output (switches to +VDC / sources current when activated). The choice depends on the PLC input type. Most Asian PLCs (Mitsubishi, Delta, Omron) support both, but always verify the PLC wiring diagram.
Q: Is the SICK GSE10-N4211 compatible with Siemens PLC?
A: Yes. The NPN 10–30 V DC sensor is compatible with most Siemens S7-1200, S7-300, and S7-400 PLCs in Sink (NPN) input mode. Ensure correct polarity as per the Siemens wiring diagram.
Q: What is the minimum detection distance for the GSE10-N4211?
A: Per the SICK datasheet, the minimum detection range is 0 m (no dead zone). In practice, a minimum distance of 100 mm is recommended for easier optical alignment.
Q: What additional components are needed to install the GSE10-N4211?
A: You will need:
(1) a matching GSE10 receiver unit
(2) M12 4-pin connection cables
(3) mounting bracket BEF-G10UC01 if no existing bracket is available.
Contact AUMI for a complete kit quotation.
Q: Who is the authorized SICK distributor in Vietnam?
A: AUMI is the official authorized SICK distributor in Vietnam, providing CO/CQ certificates, official warranty, 24/7 technical support, and full VAT invoicing for all orders.
Contact AUMI for expert advice and best pricing on the SICK GSE10-N4211
📞 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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