GL-VM24HN Keyence Safety Light Curtain – Type 4 Hand Protection
The GL-VM24HN from Keyence is a compact Type 4 safety light curtain. It belongs to the GL-V series. This model uses 24 beam axes for hand protection. It has a rugged metal housing. The unit works as a transmitter and receiver set. Optical synchronization keeps wiring simple. It detects objects as small as ø25 mm. The detection height is 460 mm. The total length is 480 mm. It suits machine guarding, automated lines, and industrial safety doors.
Technical Specifications
| Brand | Keyence |
| Model | GL-VM24HN |
| Series | GL-V series |
| Module Type | Type 4 safety light curtain, hand protection |
| Beam Axes | 24 |
| Beam Spacing | 20 mm |
| Detection Height | 460 mm |
| Total Length | 480 mm |
| Minimum Object Size | ø25 mm |
| Detecting Distance | 0.3 to 15 m |
| Light Source | Infrared LED, 850 nm, Exempt Group IEC62471 |
| Synchronization | Optical synchronization |
| Response Time | Max. 4.8 ms (OSSD, channel 0, ON to OFF) |
| Output Type | NPN transistor output x2 (OSSD) |
| Supply Voltage | 24 VDC -20/+25%, Class 2 |
| Current Consumption | Transmitter max. 81 mA; Receiver max. 92 mA |
| Temperature Range | -30 to +55 °C operating; -30 to +70 °C storage |
| Humidity | Up to 95 % RH, no condensation |
| Protection Rating | IP65 / IP67 |
| Ambient Light | Incandescent 3,000 lux or less; sunlight 20,000 lux or less |
| Vibration Resistance | 5 to 150 Hz, 1G, 10 cycles X/Y/Z |
| Shock Resistance | 15 G, 6 ms, 100 times X/Y/Z |
| Material | Aluminum alloy, PPS, polycarbonate, SUS304 |
| Weight | Transmitter 320 g; Receiver 320 g |
| Communication | None built-in |
| Certifications | IEC61496-1/-2, EN ISO13849-1 Cat. 4 PL e, IEC61508 SIL3, UL, CSA, EMC |
Installation Guide
- Mount the transmitter and receiver facing each other.
- Keep the beam path free from obstacles.
- Use optical synchronization to reduce wiring.
- Connect up to 2 units in series if needed.
- Check the detection distance: 0.3 to 15 m.
- Align within ±2.5° at 3 m or more.
- Use 24 VDC Class 2 power supply.
Setup and Maintenance
- Confirm ON state when all beam axes receive light.
- Use the indicator to check power and output.
- Clean the front cover with a soft cloth.
- Avoid strong sunlight and high ambient light.
- Inspect wiring for short circuits and surges.
- Check response time after replacement.
Compatibility Notes
- No built-in communication port.
- No protocol support.
- No communication expansion.
- Works with standard 24 VDC control systems.
- NPN output suits many industrial PLC inputs.
- Series connection supports up to 2 units.
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
- EN55011 Class A, FCC Part15B Class A, ICES-003 Class A
Package List
- Transmitter unit x1
- Receiver unit x1
- Safety light curtain set
- 12-month warranty
Shipping
- FedEx
- UPS
- DHL
Typical Applications
- Machine guarding
- Hand protection at press lines
- Automated assembly cells
- Packaging equipment
- Robotic work zones
- Safety doors and access points
Diagnostic Capabilities
- Indicator shows power and output state.
- ON when all beam axes are received.
- OFF when any beam is blocked.
- Short-circuit and surge protection built in.
- Reverse-connection protection on supply.
Why Buy From Oiltech Controls?
- More than 15 years in industrial automation spare parts.
- Global shipment support.
- Tested industrial surplus and refurbished options.
- 12-month warranty.
- Technical verification before shipment.
- Support for obsolete control systems.
FAQ
- Q: What is the minimum object size?
A: It is ø25 mm. - Q: What is the detecting distance?
A: It is 0.3 to 15 m. - Q: How many beam axes does it have?
A: It has 24. - Q: What output type does it use?
A: It uses NPN transistor output x2. - Q: Is communication built in?
A: No, it has no built-in communication port. - Q: What is the warranty?
A: It comes with a 12-month warranty.
Contact Information
Inquiries: info@oiltechcontrols.com
Phone / WhatsApp: +86 158 8020 0923
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