Banner manual L-GAGE LT3 Specifications, Measurement & Inspection

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MEASUREMENT & INSPECTION

	L-GAGE®LT3 Specifications
Sensing Beam	Typical beam dia: 6 mm @ 3 m
	Typical laser lifetime: 75,000 hours
	Diffuse: 658 nm visible red IEC and CDRH Class 2 laser; 0.5 mW max. radiant output power
	Retroreflective: 658 nm visible red IEC and CDRH Class 1 laser, 0.15 mW max. radiant output power
Sensing Range	Diffuse:		Retroreflective:
	90% white card: 0.3 to 5 m		0.5 to 50 m (using supplied target)
	18% gray card: 0.3 to 3 m
	6% black card: 0.3 to 2 m
Supply Voltage and Current	12 to 24V dc (10% max. ripple); 108 mA max. @ 24V dc or [2600/V dc] mA
Supply Protection Circuitry	Protected against reverse polarity and transient voltages
Delay at Power-up	1 second; outputs do not conduct during this time
Output Rating	Discrete (switched) output: 100 mA max.
	OFF-state leakage current: less than 5 µA
	Output saturation NPN: less than 200 mV @ 10 mA; less than 600 mV @ 100 mA
	Output saturation PNP: less than 1.2V at 10 mA; less than 1.6V at 100 mA
	Analog voltage output: 2.5 kΩ min. load impedance (voltage sourcing)
	Analog current output: 1 kΩ max. @ 24V; max. load resistance = [Vcc-4.5/0.02 Ω] (current sourcing)
Output Configuration	Discrete (switched): Solid-state switch; NPN (current sinking) or PNP (current sourcing), depending on
	model. Dual-discrete models feature selectable NPN or PNP, depending on wiring hookup.
	Analog output: 0 to 10V dc or 4 to 20 mA
Output Protection	Protected against short circuit conditions
Output Response Time	Discrete output	Medium: 10 milliseconds ON/OFF Slow: 100 milliseconds ON/OFF
	Fast: 1 millisecond ON/OFF
	Diffuse Analog Voltage output (-3 dB)
	Fast: 450 Hz (1 millisecond average/1 millisecond update rate)
	Medium: 45 Hz (10 milliseconds average/2 milliseconds update rate)
	Slow: 4.5 Hz (100 milliseconds average/4 milliseconds update rate)
	Retroreflective Analog Voltage output (-3 dB)
	Fast: 114 Hz (6 milliseconds average/ 1 millisecond update rate)
	Medium: 10 Hz (48 milliseconds average/ 1 millisecond update rate)
	Slow: 2.5 Hz (192 milliseconds average/ 1 millisecond update rate)
Resolution/Repeatability	See charts RRC-1 and RRC-2 on page 510.
Color Sensitivity (typical)	Diffuse: 90% white to 18% gray: less than 10 mm; 90% white to 6% black: less than 20 mm.
	See chart CSC-1 on page 511.
Analog Linearity	Retroreflective: ± 60 mm from 0.5 to 50 m (0.12% of full scale)
	(Specified @ 24V dc, 22° C using supplied BRT-TVHG-8X10P retroreflector)
	Diffuse: ± 30 mm from 0.3 to 1.5 m; ± 20 mm from 1.5 to 5 m
	(Specified @ 24V dc, 22° C using a 90% reflectance white card)
Discrete Output Hysteresis	Diffuse		Retroreflective
	Fast: 10 mm		Fast: 20 mm
	Medium: 5 mm		Medium: 10 mm
	Slow: 3 mm		Slow: 6 mm
Temperature Effect	Diffuse: less than 2 mm/ ° C		Retroreflective: less than 3 mm/° C
Minimum Window Size	Diffuse: 20 mm		Retroreflective: 40 mm
Remote TEACH Input	18 kΩ min. (65 kΩ at 5V dc)
Remote TEACH	To teach: Connect yellow wire to +5 to 24V dc
	To disable: Connect yellow wire to 0 to +2V dc (or open connection)
Adjustments	Response speed: Push button toggles between fast, medium and slow (see Output Response Time)
	Window limits (analog or discrete): TEACH-mode programming of near and far window limits.
	Limits may also be taught remotely using TEACH input.
	Analog output slope:
	The first limit taught is assigned to minimum output current or voltage (4 mA or 0V dc)
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