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 k
Ω
max. @ 24 V;
max. load resistance = [(Vcc-4.5)/0.02
Ω
]
Analog voltage output (LE...U Models): 2.5 k
Ω
min. 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
x
y
Beam
Spot
Pattern
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 2
2 ms
2 ms
Standard
10 ms
5 ms
Medium
30 ms
15 ms
Slow
100 ms
50 ms
1 Beam spot size is calculated as 1.6 times the D4
σ
measured value
2 Response 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
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