Laser Displacement Sensor; Range: 100-400 mm
Input:12-30 V dc; Output: Analog: 4-20 mA
Discrete: NPN/PNP configurable; Integral Quick-Disconnect
Part Number: 91681
Sensing Beam Visible Red Laser
PC Configurable No
Sensing Mode (General) Proximity
Sensing Mode (Detailed) Triangulation
Housing Style Rectangular
Device Type Sensor
Primary Housing Material Zinc Alloy Die-Cast
Laser Classification Class 2
Input/Output Analog & Discrete
Indicator LCD; LED(s)
Connection Integral QD
Analog Output Configuration 4-20 mA
Analog Resolution/Discrete Repeatability 100 mm to 250 mm: < 0.02; 250 mm to 400 mm: < 0.2
Quick Disconnect Type M12 (Euro)
Max Sensing Distance (mm) 400
Minimum Sensing Distance (mm) 100
Sensing Beam Visible Red Laser
Power Supply 12-30 V dc
Delay at Power-up (ms) 2000
Sensing Beam Wavelength (nm) 650
Adjustments Push Button; Remote Teach
Temperature Effect (mm/°C) +/- 0.03 mm/°C from 100 to 250 mm, +/- 0.15 mm /°C at 1000 mm
Number of Pins 5
Vibration MIL-STD-202G req. Method 201A (vibration:10 to 60Hz max., double amplitude 0.06", max acc. 10G).
Mechanical Shock IEC 60947-5-2 requirements: 30G 11 ms duration, half sine wave
Output Saturation Voltage NPN Outputs < 1.6 V at 100 mA
Output Saturation Voltage PNP Outputs < 3 V at 100 mA
Analog Current Output Rating 1 k? max @24 V dc, max load resistance = [(Vcc-4.5 V)/0.02 A] ?
Max Discrete (Switched) Output (mA) 100
Discrete (Switched) Outputs 1 NPN/PNP Configurable
Output Protection Protected against continuous overload and short circuit
IP Rating IP67
NEMA Rating NEMA 6
Storage Temperature (°C) -30 to 65
Max Operating Temperature (°C) 55
Min Operating Temperature (°C) -20
Max Op. Relative Humidity Non-Condensing (%) 90 at 55°C
Window Material Acrylic
Warm-up Time (minutes) 10
Minimum Response Time (ms) 2
Spot Size (@ Reference Distance) 0.9 mm x 1.2 mm @ 400 mm
Analog Linearity (mm) Linearity is the lesser of Accuracy or 0.3% of full scale range (± 0.9 mm) at any given distance
Minimum Window Size (mm) 1
Remote Teach and Laser Control Input Impedence 18 k? min. (65 k? min at 5 V dc)
Discrete Output Hysteresis (mm) Automatically adjusted
Laser Control Yes
Alarm Output (mA) 100
Max Ambient Light (Lux) 10000
Max Off-state Leakage Current (µA) NPN: < 200 at 30 V dc; PNP: < 10 at 30 V dc
Power/Current Consumption (exclusive of load) 70 mA @ 24 V dc
Supply Protection Circuitry Protected against reverse polarity and transient overvoltages