Keyence GL-R95F Safety Light Curtain

The Keyence GL-R95F is a high-performance safety light curtain engineered for hazardous zone protection and machine guarding in industrial environments. With finger protection (ø14 mm), 95 optical beams, and Type 4 safety compliance, this curtain provides fast response, rugged reliability, and advanced compliance with global safety standards.

Technical Specifications

Manufacturer: Keyence
Product Series: GL-R Series
Model: GLR95F
Type: Safety Light Curtain
Detection Capability: ø14 mm (0.55″)
Total Length: 960 mm (37.80″)
Detection Height: 940 mm (37.01″)
Protection Height: 964 mm (37.95″)
Number of Beams: 95
Beam Axis Spacing / Lens Diameter: 10 mm / ø4 mm
Detecting Distance: 0.2 to 10 m (0.66 to 32.81 ft)
Effective Aperture Angle: ±2.5° (at ≥3 m distance)
Light Source: Infrared LED (870 nm)

Response Time (OSSD)

Wire Sync / One-Line / Optical Sync (Channel 0):

• ON → OFF: 14.7 ms
• OFF → ON: 60.8 ms
• All Blocked → ON: 95.5 ms

Optical Sync (Channel A or B):

• ON → OFF: 21.8 ms
• OFF → ON: 71.5 ms
• All Blocked → ON: 124.1 ms

Detection Mode: Output ON when no interruption is present in the detection zone

Synchronization & Interference Prevention

• Synchronization Type: Optical or Wire
• Interference Prevention:
  • Up to 2 GL-R systems
  • Optical: Channel A/B selectable
  • Wire: Automatically handled

GL-R95F Control Output (OSSD Output)

• Type: 2 Transistor Outputs (PNP or NPN via cable type)
• Max Load Current: 500 mA (350 mA at 50–55 °C)
• Residual Voltage: ≤ 2.5 V (ON), ≤ 2.0 V (OFF)
• Leakage Current: ≤ 200 μA
• Max Capacitive Load: 2.2 µF
• Load Wiring Resistance: ≤ 2.5 Ω

Supplemental Outputs & Inputs

AUX Output:

• Transistor (PNP or NPN)
• Load Current: Max. 50 mA
• Residual Voltage: ≤ 2.5 V

Muting/Override/Error Outputs:

• Incandescent: 24 VDC, 1–5.5 W
• LED Lamp Load: 10–230 mA

External Inputs (PNP):

• Inputs: EDM, Wait, Reset, Muting 1/2, Override
• ON Voltage: 10–30 V
• OFF Voltage: 0–3 V or Open
• Short Circuit Current: 2.5 mA (10 mA for EDM only)

External Inputs (NPN):

• ON Voltage: 0–3 V
• OFF Voltage: ≥10 V or Open
• Short Circuit Current: 2.5 mA (10 mA EDM)

Power Supply & Consumption

• Power Voltage: 24 VDC ±20% (Ripple ≤ 10%, Class 2)
• Current Consumption:
  • Transmitter: 71 mA Max
  • Receiver: 83 mA Max

Built-In Protection:

• Reverse Current
• Short-Circuit
• Surge Protection (Each Output)

Safety & Compliance

• Type: Type 4 (ESPE / AOPD)
• Standards Compliance:
  • IEC/EN/UL 61496-1/-2
  • IEC61508 / EN61508 (SIL3)
  • IEC62061 / EN62061 (SIL CL3)
  • EN ISO13849-1:2015 (PLe, Cat. 4)
  • UL508, UL1998
  • EMC: EN55011, FCC Part 15B, ICES-003

Environmental Resistance

• Enclosure Rating: IP65 / IP67 (IEC60529)
• Overvoltage Category: II
• Ambient Light Resistance:
  • Incandescent: 3,000 lux
  • Sunlight: 20,000 lux
• Operating Temperature: -10°C to +55°C
• Storage Temperature: -25°C to +60°C
• Operating Humidity: 15% to 85% RH
• Storage Humidity: 15% to 95% RH
• Vibration Resistance: 10–55 Hz, 0.7 mm amplitude
• Shock Resistance: 100 m/s² (10G), 16 ms pulse, 1000 times/axis

Material & Construction

• Main Body: Aluminum
• End Caps: Nylon (GF30%)
• Front Cover: Polycarbonate, SUS304
• Weight (Transmitter): Approx. 1400 g

Key Features & Benefits

✅ High-Density Protection: 95 beams with 14 mm finger protection coverage.

✅ Long-Range Sensing: Reliable detection at distances up to 10 meters.

✅ Ultra-Fast Response Time: Rapid ON → OFF switching in as little as 14.7 ms.

✅ Industrial-Grade Durability: IP65/IP67-rated for wet/dusty environments; shock and vibration resistant.

✅ Advanced Safety Compliance: Certified to SIL3, PLe, and Category 4 for personnel and machine protection.

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