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TEMPERATURE
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GAUGING
L-GAGE
®
LG5 and LG10 Specifications
Sensing Beam
650 nm visible Red IEC and CDRH Class 2 laser; 0.20 mW max. radiant output power
Supply Voltage and Current
12 to 30V dc (10% max. ripple); 50 mA max
@
24V dc (exclusive of load)
Supply Protection Circuitry
Protected against reverse polarity and transient overvoltages
Delay at Power-up
1.25 second
Output Rating
Discrete (switched) and Alarm outputs: 100 mA max.
OFF-state leakage current: less than 5 µA
Output saturation voltage
PNP outputs: less than 1.2V at 10 mA and less than 1.6V at 100 mA
NPN outputs: less than 200 mV at 10 mA and less than 600 mV at 100 mA
Analog Current output: 1 kΩ max @ 24V dc, max load resistance = [(Vcc - 4.5)/0.02]Ω (current
sourcing)
Analog Voltage output: 2.5 kΩ min. load impedance (voltage sourcing)
Output Configuration
Discrete (switched) & alarm outputs: Solid-state switch; choose NPN (current sinking) or
PNP (current sourcing) models
Analog output: 4 to 20 mA (current sourcing), 0 to 10V dc (voltage sourcing)
Output Protection
Discrete and alarm outputs are protected against continuous overload and short circuit
Output Response Time
Discrete Outputs (ON/OFF)
Fast: 2.0 milliseconds Medium: 10 milliseconds Slow: 100 milliseconds
Analog Output (-3dB)
Fast: 450 Hz (1 millisecond average/1 millisecond update rate)
Medium: 45 Hz (10 millisecond average/2 millisecond update rate)
Slow: 4.5 Hz (100 millisecond average/5 millisecond update rate)
Analog Resolution and
Repeatability of Discrete
Trip Point
LG5: Fast: Less than 40 µm @ 50 mm LG10: Fast: Less than 150 µm @ 100 mm
Medium: Less than 12 µm @ 50 mm Medium: Less than 50 µm @ 100 mm
Slow: Less than 3 µm @ 50 mm Slow: Less than 10 µm @ 100 mm
See chart RRC-3 on page 510 See chart RRC-4 on page 510
Analog Linearity*
*Resolution and linearity
specied @ 24V dc, 22° C, using
a white ceramic test surface (see
Application Notes)
LG5: +/- 60 µm LG10: +/- 200 µm
over 45 to 60 mm sensing window over 75 to 125 mm sensing window
+/- 10 µm +/- 20 µm
over 49 to 51 mm sensing window over 95 to 100 mm sensing window
L-GAGE
®
LG10, 12-30V dc
Models
Sensing
Beam/LED*
Laser
Class
Sensing
Distance
Beam
Size Cable**
Discrete
Output
Analog
Output
Data
Sheet
LG10A65PU
Class 2 75-125 mm
At 125 mm:
0.6 mm
x
0.8 mm
Focus
180 mm
2 m
PNP
0-10V dc
59786
LG10A65PUQ
8-pin Euro Pigtail QD
LG10A65PI
2 m
4-20 mA
LG10A65PIQ
8-pin Euro Pigtail QD
LG10A65NU
2 m
NPN
0-10V dc
LG10A65NUQ
8-pin Euro Pigtail QD
LG10A65NI
2 m
4-20 mA
LG10A65NIQ
8-pin Euro Pigtail QD
*
Visible Red Laser
** For 9 m cable, add suffix W/30 to the 2 m model number (example, LG10A65PU W/30). A model with a QD requires a mating cable (see page 416).
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