GL-VM44HN Keyence GL-V Series Safety Light Curtain
The GL-VM44HN is a compact Type 4 safety light curtain from the Keyence GL-V series. It uses 44 infrared beam axes for hand protection. The metal housing suits tough industrial cells. Optical synchronization simplifies wiring. The unit detects a ø25 mm object. Detection height reaches 860 mm. Total length is 880 mm. Response time is max. 5.6 ms. It supports NPN output. This model fits press brakes, robots, and automated assembly lines.
Why Buy From Oiltech Controls?
- More than 15 years in industrial automation spare parts.
- Global shipment support for urgent plant needs.
- Tested industrial surplus and refurbished options.
- 12-month warranty on every eligible unit.
- Technical verification before shipment.
- Support for obsolete control systems.
Inquiries: info@oiltechcontrols.com or +86 158 8020 0923.
Technical Specifications
| Brand | Keyence |
| Model | GL-VM44HN |
| Series | GL-V series |
| Module Type | Type 4 safety light curtain |
| Protection Type | Hand protection |
| Number of Beam Axes | 44 |
| Beam Axis Spacing | 20 mm |
| Detection Height | 860 mm |
| Total Length | 880 mm |
| Minimum Detectable Object | ø25 mm |
| Detecting Distance | 0.3 to 15 m |
| Light Source | Infrared LED, 850 nm |
| Synchronization | Optical synchronization |
| Response Time | Max. 5.6 ms |
| Control Output | NPN transistor output x2 |
| Supply Voltage | 24 VDC -20/+25% |
| Current Consumption | Transmitter max. 111 mA; receiver max. 122 mA |
| Operating Temperature | -30 to +55 °C |
| Storage Temperature | -30 to +70 °C |
| Humidity | Up to 95% RH, no condensation |
| Protection Rating | IP65 / IP67 |
| Material | Aluminum alloy, PPS, polycarbonate, SUS304 |
| Weight | Transmitter 580 g; receiver 590 g |
Installation Guide
- Mount transmitter and receiver face to face.
- Keep the optical axis aligned within ±2.5°.
- Use the 20 mm beam spacing for hand protection.
- Connect 24 VDC Class 2 power.
- Wire NPN outputs to the safety circuit.
- Use series connection for up to 2 units.
- Verify IP65/IP67 sealing after installation.
Setup and Maintenance
- Optical synchronization reduces cable runs.
- ON state appears when all 44 beams are received.
- Check the indicator for quick diagnostics.
- Clean the front cover with a soft cloth.
- Inspect alignment after shock or vibration.
- Test response time during regular safety checks.
Compatibility Notes
- Works with 24 VDC control systems.
- NPN output matches common PLC inputs.
- Series connection supports up to 2 units.
- No built-in communication port.
- No protocol or expansion module needed.
- Replacement for GL-V series safety curtains.
Certifications
- IEC61496-1/-2 Type 4 ESPE/AOPD
- EN ISO13849-1 Category 4, PL e
- IEC61508 SIL3
- UL60947-1 / CSA C22.2 No.60947-1
- UL1998
- IEC/EN61496-1, EN55011 Class A
- FCC Part15B Class A, ICES-003 Class A
Packing List and Warranty
- Transmitter unit x1
- Receiver unit x1
- Mounting hardware set
- Instruction sheet
- 12-month warranty
- FedEx, UPS, or DHL shipping
Typical Applications
- Press brake guarding
- Robot cell entry protection
- Automated assembly lines
- Packaging machinery
- Material handling systems
- Obsolete safety system replacement
Diagnostic Capability
- Indicator shows power and output state.
- ON when all beam axes are received.
- Short-circuit protection on each output.
- Surge protection on supply and outputs.
- Reverse-connection protection on supply.
- Fast response time aids fault tracing.
FAQ
Q: What is the detection height?
A: The detection height is 860 mm.
Q: What object size can it detect?
A: It detects a ø25 mm object.
Q: What is the response time?
A: The response time is max. 5.6 ms.
Q: Does it need a communication module?
A: No. It has no built-in port or protocol.
Q: What output type does it use?
A: It uses NPN transistor output x2.
Q: What is the warranty?
A: Oiltech Controls offers a 12-month warranty.
Q: How does it ship?
A: We ship by FedEx, UPS, or DHL.
Contact: info@oiltechcontrols.com or +86 158 8020 0923.
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Original Source: https://www.oiltechcontrols.com/
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