Keyence LR-XN11C Digital CMOS Laser Sensor

The Keyence LR-XN11C is a high-performance compact laser sensor, designed for precise object detection, positioning, and automation applications. With NPN/PNP selectable outputs, IO-Link communication, and a rugged polycarbonate housing, this sensor ensures stable performance in industrial environments, even under shock and vibration conditions.

Technical Specifications

Manufacturer: Keyence
Product Series: LR-X Series
Model: LRXN11C
Type: Compact Laser Sensor
Output Type: NPN / PNP (Selectable)
Connector Type: M8 Connector (Max Cable Length: 30 m)
Unit Type: Main Unit (Expansion Not Supported)

Performance & Response Time

• Response Time Options:
  • 500 μs (with limitations)
  • 1 ms
  • 3 ms
  • 10 ms
  • 200 ms
• Control Outputs: 2 (Selectable Output Configuration)
• External Inputs: 1 (Shared with Output 2)

Input & Output Functions

Control Output:

• Open Collector (30 VDC Max)
• Current Limits:
  • Single Output: 100 mA Max
  • Total for 2 Outputs: 100 mA Max
• Residual Voltage:
  • NPN: ≤ 1.4 V (10 mA or less), ≤ 2 V (10–100 mA)
  • PNP: ≤ 1.6 V (10 mA or less), ≤ 2.2 V (10–100 mA)

External Input:

• Functions: External Set, Laser OFF, Zero Shift, Hold Reset, Gyro Alert Reset
• Short-Circuit Current:
  • NPN: 1 mA or less
  • PNP: 2 mA or less
• Input Time:
  • Standard Mode: ≥ 3 ms ON / ≥ 20 ms OFF
  • External Set Mode: 25 ms ON/OFF

Timer Functions:

• Timer OFF
• OFF-Delay
• ON-Delay
• One-Shot
• ON-OFF Delay
• ON-Delay One-Shot

IO-Link:

• Version: v1.1
• Communication: COM2 (38.4 kbps)

Protection & Power Specifications

• Protection Circuits:
  • Reverse Power Connection
  • Output Overcurrent Protection
  • Output Surge Protection
  • Reverse Output Connection
• Power Voltage: 16 to 30 VDC (≤10% ripple P-P, Class 2)
• Power Consumption:
  • Normal Operation: 1150 mW (47 mA @ 24 V, 64 mA @ 16 V)
  • Eco Mode: 985 mW (40 mA @ 24 V, 53 mA @ 16 V)

Environmental Resistance

• Operating Temperature: -20°C to +55°C (No Freezing)
• Relative Humidity: 35% to 85% RH (No Condensation)
• Vibration Resistance: 10–500 Hz, PSD 0.816 G²/Hz, All Axes
• Shock Resistance: 500 m/s² (50G), 3 Times per Axis
• Case Material: Polycarbonate
• Weight: Approx. 22 g

Included Accessories

• Instruction Manual

Key Features & Benefits

✅ Selectable NPN/PNP Output: One sensor for multiple control system configurations.

✅ Fast Response Time: Options as low as 500 μs for high-speed applications.

✅ Compact & Lightweight: Only 22 g, making it easy to integrate into tight spaces.

✅ Industrial-Grade Durability: IP-rated rugged polycarbonate casing with vibration and shock resistance.

✅ IO-Link Compatibility: Enables advanced monitoring and communication with automation systems.

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