®
L-GAGE LT7 Long-Range Time-of-Flight Laser Sensor
Datasheet
Self-contained Retroreꢀecꢁve- and Diffuse-mode Laser Distance Sensors
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Diffuse model with extremely long distance ranges:
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Up to 3 meters with black target
Up to 7 meters with gray target
Up to 10 meters with white target
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Retroreꢀecꢁve model range: up to 250 meters
Visible pilot laser for easy alignment
Mulꢁple outputs in each model: discrete outputs can be used for precision
background suppression; and alarm outputs together with display provide easy
troubleshooꢁng
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Diffuse models: Two discrete (PNP) plus 2 alarm outputs, and 4-20 mA
analog
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Retroreꢀecꢁve models: Two discrete (PNP) plus 2 alarm outputs
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•
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Fast, easy-to-use TEACH-mode programming via integrated push-buꢂons or serial
interface (no potenꢁometer adjustments)
Ongoing LCD display of sensing distance selectable in millimeters or one-
hundredths of one inch
RS422- or SSI-compaꢁble serial connecꢁon opꢁons
WARNING: Not To Be Used for Personnel Protecꢀon
Never use this device as a sensing device for personnel protecꢀon. Doing so could lead to serious injury or
death. This device does not include the self-checking redundant circuitry necessary to allow its use in personnel
safety applicaꢁons. A sensor failure or malfuncꢁon can cause either an energized or de-energized sensor output
condiꢁon.
Models
Discrete
Outputs
1
2
Models
Sensing Mode
Laser Class
Cable
Sensing Range
Analog Output
LT7PIDQ
LT7PLVQ
Diffuse
0.5 m to 10 m (20 in to 33 ꢃ)
0.5 m to 250 m (20 in to 820 ꢃ)
4 mA to 20 mA
N/A
Class 2 pilot laser;
Class 1 sensing laser
Integral 12-pin M16
QD connector
2 PNP plus 2
Alarm
Retroreꢀecꢁve
Overview
Status
Indicator
LEDs
The sensor has an LCD display and 3 push buꢂons, which control all programming
funcꢁons. Serial interface programming can also be accomplished via SSI or RS422.
Four status indicator LEDs on the sensor front/top provide ongoing status of power and
outputs.
2-Line
Digital
Display
The sensor has a 2-line LCD display and four LED indicators for ongoing indicaꢁon of
sensing status: Power ON, Alarm, and Outputs 1 and 2.
In Run mode, the current measured value is displayed in the top line of the sensor's
display, in millimeters or hundredths of an inch, as selected.
Programming
Buttons
1
2
Requires a maꢁng cable.
Diffuse-mode range specified using a 90% reꢀecꢁve white card. Retroreꢀecꢁve-mode range specified using the specified retroreꢀecꢁve target.
Original Document
120244 Rev. C
16 February 2017
120244