
Specifications
Supply Voltage (Vcc)
12 to 30 V dc
Power and Current Consumption, exclusive of load
Normal Run Mode: 1.7 W, Current consumption < 70 mA at 24
V dc
Supply Protection Circuitry
Protected against reverse polarity and transient overvoltages
Sensing Beam
Class 2 laser models: visible red, 650 nm
Class 1 laser models: visible red, 650 nm
Sensing Range
LE250: 100 mm (3.94 in) to 400 mm (15.75 in)
LE550: 100 mm (3.94 in) to 1000 mm (39.37 in)
Output Configuration
Analog output: 4 to 20 mA or 0 to 10 V, depending on model
Discrete output rating: Discrete NPN/PNP is user-configurable
Output Ratings
Discrete Output: 100 mA maximum (protected against
continuous overload and short circuit)
OFF-state leakage current—PNP: < 10 µA at 30 V
OFF-state leakage current—NPN: < 200 µA at 30 V
Output saturation voltage—PNP outputs: < 3 V at 100 mA
Output saturation voltage—NPN outputs: < 1.6 V at 100 mA
Analog current output (LE...I Models):1 kΩmax. @ 24 V;
max. load resistance = [(Vcc-4.5)/0.02 Ω]
Analog voltage output (LE...U Models): 2.5 kΩmin. load
resistance
Delay at Power Up
2 s
Measurement/Output Rate
Class 2 laser models: < 1 ms
Class 1 laser models (fast): < 1 ms
Class 1 laser models (std/med/slow): < 2 ms
Ambient Light Immunity
Class 2 laser models: > 10,000 lux
Class 1 laser models: > 5,000 lux
Minimum Window Size, Analog and Discrete
LE250: 1 mm (0.039 in)
LE550: 10 mm (0.39 in)
Boresighting
LE250: 4 mm radius at 400 mm
LE550: 1 cm radius at 1 m
Remote Input
Allowable Input Voltage Range: 0 to Vcc
Active Low (internal weak pullup—sinking current):
· High State > 4.3 V at 740 µA max.
· Low State < 1.3 V at 800 µA max.
Active High (internal weak pulldown—sourcing current):
· High State > 4.3 V at 1.7 mA max.
· Low State < 1.3 V at 1.6 mA max.
Analog Resolution
LE250: 100 mm to 250 mm: Less than 0.02 mm
LE250: 250 mm to 400 mm: Less than 0.2 mm
LE550: 100 mm to 600 mm: Less than 0.5 mm
LE550: 600 mm to 1000 mm: Less than 1 mm
Analog Linearity
LE250: Linearity is the less of Accuracy or 0.3% of full scale range
(± 0.9 mm) at any given distance
LE550: Linearity is the lesser of Accuracy or 0.5% of full scale
range (± 4.5 mm) at any given distance
Maximum Torque
2 N·m (17.7 in-lbs)
Repeatability
See Performance Curves
Temperature Effect
See Performance Curves
Accuracy
See Performance Curves
Construction
Housing: die-cast zinc
Window: acrylic
Vibration/Mechanical Shock
All models meet Mil. Std. 202 G requirements method 201A.
Also meets IEC 60947-5-2.
Typical Beam Spot Size1
Distance (mm)
LE250 Models LE550 Models
100 250 400 100 550 1000
x 3.2 2.1 1.2 8.4 10.5 12.1
y 2.2 1.5 0.9 3.5 4.2 4.9
Response Time
Class 1 Laser
Models Class 2 Laser
Models
Fast 22 ms 2 ms
Standard 10 ms 5 ms
Medium 30 ms 15 ms
Slow 100 ms 50 ms
1Beam spot size is calculated as 1.6 times the D4σmeasured value
2Response time for lateral entry of object into measurement range < 5 ms
L-GAGE®LE250/550 Analog-Discrete Laser Sensors
P/N 175093 Rev. E www.bannerengineering.com - Tel: +1-763-544-3164 7