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World-beam, Qs18ld laser diffuse series sensors, Datasheet
Datasheet
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Visible Class 1 laser for diffuse sensing
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Narrow effective beam provides small-object detection and precise position control
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Crosstalk rejection algorithm protects against optical disturbance from adjacent sensors
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Excellent optical performance throughout sensing range, even close up
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10 to 30 V dc operation, with complementary (SPDT) NPN or PNP outputs, depending on
model
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Bright LED operating status indicators are visible from 360°
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Compact, rugged sealed housing, protected circuitry
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Mounting versatility – popular 18 mm threaded barrel or side-mount
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Choose 2 m (6.5 ft) or 9 m (30 ft) cable or one of four QD options
Models
Sensing Range
Spot Size at Focus
Cable
Output
QS18VN6LD
650 nm Visible Red
Class 1 Laser 300 mm
(12 in)
Approximately 1 mm at 300 mm
(0.039 in at 12 in)
4-wire, 2 m (6.5 ft) integral
cable
NPN
QS18VP6LD
PNP
The standard 2 m (6.5 ft) cable models are listed. To order the 9 m (30 ft) cable models, add the suffix “W/30” to the
model number (e.g., QS18VN6LD W/30). A model with a QD connector requires a mating cordset. To order the QD
models:
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For 4-pin integral Euro-style QD, add suffix “Q8” (e.g., QS18VN6LDQ8).
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For 4-pin integral Pico-style QD, add suffix “Q7” (e.g., QS18VN6LDQ7).
•
For 4-pin Euro-style 150 mm (6 inch) pigtail QD, add suffix “Q5” (e.g., QS18VN6LDQ5).
•
For 4-pin Pico-style 150 mm (6 inch) pigtail QD, add suffix “Q” (e.g., QS18VN6LDQ).
WARNING: Not To Be Used for Personnel Protection
Never use this device as a sensing device for personnel protection. 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 applications. A sensor failure or malfunction can cause either an
energized or de-energized sensor output condition.
Wiring Diagrams
NPN (Sinking) Outputs
PNP (Sourcing) Outputs
Wiring Key
3
1
4
2
10-30V dc
–
+
Load
Load
3
1
4
2
10-30V dc
–
+
Load
Load
1 = Brown
2 = White
3 = Blue
4 = Black
Cabled wiring diagrams are shown. Quick disconnect (QD) wiring diagrams are functionally identical.
WORLD-BEAM
®
QS18LD Laser Diffuse
Series Sensors
Original Document
118899 Rev. D
27 March 2014
118899