GL-VM26LN Keyence Safety Light Curtain – Type 4 Body Protection, 26 Beams
The GL-VM26LN is a Type 4 safety light curtain from Keyence. It sits in the GL-V series. This model uses 26 beam axes with 40 mm spacing. As a result, it covers a 1000 mm detection height. Meanwhile, the NPN output fits sinking safety inputs. Therefore, it guards body access on medium machine openings.
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Oiltech Controls’s Insight
- Body protection needs wider beam spacing.
- 40 mm spacing allows ø45 mm detection.
- NPN OSSD suits sinking input cards.
- Optical sync removes one cable run.
- 5.0 ms response shortens stop distance.
Suitable Equipment
- Medium press and stamping stations.
- Robot cells with body-access doors.
- Assembly and transfer line openings.
- Packaging and palletizing gates.
- Forming and cutting machine entries.
- Legacy safety system retrofits.
Technical Data
- Brand: Keyence
- Model: GL-VM26LN
- Series: GL-V series
- Type: Type 4 ESPE / AOPD, transmitter + receiver set
- Protection type: Body protection
- Beam axes: 26
- Beam spacing: 40 mm
- Detection height: 1000 mm
- Total length: 1040 mm
- Min. object size: ø45 mm
- Detecting distance: 0.3 to 15 m
- Response time: Max. 5.0 ms (OSSD, channel 0, ON to OFF)
- Light source: Infrared LED 850 nm, Exempt Group (IEC62471)
- Synchronization: Optical
- Angular aperture: Up to ±2.5° at 3 m or above
- Detection mode: ON when all axes are received
- Interference prevention: Up to 2 units by series link and switch
- Supply voltage: 24 VDC -20/+25%, ripple 10% or less, Class 2
- Max. load current: 150 mA or less
- Residual voltage ON: Up to 2.5 V at 5 m cable
- OFF voltage: Up to 2.0 V at 5 m cable
- Leakage current: Up to 0.8 mA
- Max. load capacity: 0.8 µF
- Load wiring resistance: Up to 2.5 Ω
- Inputs: Short-circuit current approx. 3 mA
- OSSD output: Transistor x2, NPN
- Current draw: Transmitter max. 117 mA; receiver max. 130 mA
- Ports: None
- Protocols: None
- Operating temp.: -30 to +55 °C, no freezing
- Storage temp.: -30 to +70 °C, no freezing
- Humidity: Up to 95% RH, no condensation
- Ambient light: Incandescent 3,000 lux or less; sunlight 20,000 lux or less
- Protection rating: IP65 / IP67 (IEC60529)
- Overvoltage category: II
- Vibration: 5 to 150 Hz, 1G, 10 cycles each X/Y/Z
- Shock: 15 G, 6 ms pulses, 100 times each X/Y/Z
- Material: Aluminum alloy body; PPS (GF40%) case; polycarbonate and SUS304 front cover
- Weight: Transmitter 680 g; receiver 690 g
- Lifecycle: Active; Keyence production status confirmed
Safety and EMC Standards
- 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
- IEC60529 IP65 / IP67
- Protection circuits: reverse supply, per-output short-circuit, surge
Installation Notes
- Mount transmitter and receiver face to face.
- Keep 0.3 to 15 m working distance.
- Align within ±2.5° at 3 m or more.
- Use 24 VDC Class 2 supply only.
- Check NPN OSSD wiring before power-on.
- Link up to 2 units in series if needed.
- Set interference switch for nearby pairs.
Setup and Service
- Optical sync removes a sync cable.
- LEDs show power and output state.
- IP67 body allows washdown cleaning.
- No moving parts reduce wear.
- Metal housing resists impact and vibration.
Compatibility
- Works with safety relays and safety PLCs.
- NPN OSSD fits sinking-type inputs.
- Series link supports up to 2 units.
- Replaces many GL-V series models.
- Suits legacy lines with adapter wiring.
Package List
- Transmitter x1
- Receiver x1
- Mounting hardware set
- Instruction sheet
- Protective packaging
Warranty, Dispatch and Shipping
- 12-month warranty on qualified units.
- Dispatch within 24 to 28 hours.
- Shipping by FedEx, UPS, and DHL.
- Tracking number sent after pickup.
- Technical check before every shipment.
FAQ
Q: How many beams does the GL-VM26LN have?
A: It has 26 beam axes with 40 mm spacing.
Q: What object size can the GL-VM26LN detect?
A: It detects objects as small as ø45 mm.
Q: What output type does the GL-VM26LN use?
A: It uses NPN transistor OSSD output x2.
Q: Is a sync cable required?
A: No. The GL-VM26LN uses optical synchronization.
Q: How do I pick between body and hand protection?
A: Use body protection for torso access. Use hand protection for finger and hand reach. Check your risk assessment first.
Q: Can the GL-VM26LN replace an older GL-V unit?
A: Often yes. Match beam count, spacing, height, and output type before ordering.
Contact us for stock and technical support. Email: info@oiltechcontrols.com. WhatsApp: +86 158 8020 0923.
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