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6
DEVICES WITH SPECIAL FEATURES
6
Devices with special features
7

Fault diagnosis

8
Table Fault diagnosis
6
WL9-3P3030S01: Sensing range max. 5 m, cable with M12 male connector, 4-pin 290
mm
WL9-3P2230S02: Switching frequency 5,000 Hz
WL9-3P3430S04: Pin 4 = Q\ (dark switching), pin 2 = NC (not assigned)
WL9-3P2230S03: Pin 4 = Q (light switching), pin 2 = test input by means of light swit‐
chover (L+) / dark switchover (0 V)
WL9-3P1030S17: Black = Q (light switching), white = test input by means of light/dark
switchover, cable 2.6 m
WL9-3F3130: Cable with M8 male connector, 3-pin, pin, Q = dark switching
WL9-3P3130: Cable with M8 male connector, 3-pin, Q = light switching
WL9-3P3132: 120 mm cable with M8 male connector, 3-pin, Q = light switching
WL9-3F2234S20: Pin 4 = Q\ (dark switching), pin 2 = teach via cable, including "dia‐
mond grade" reflective tape, 15 x 20 mm
WL9-3P3162: Cable with M8 male connector, 3-pin 120 mm, Q = light switching
WL9G-3P2234 and WL9G-3P2434: Teach-in + cable teach
WL9G-3N1234S02: Sensing range max. 0.7 m on "diamond grade" reflective tape,
switching frequency 3,000 Hz
WL9G-3F2232S01: Pin 4 = Q\ (dark switching), pin 2 = NC (not assigned)
WL9G-3F2232: Pin 2 = Q (light switching), pin 4 = Q\ (dark switching)
WL9M4-3P2234: Teach-in + teach via cable
WL9M4-3V1132 and WL9M4-3V2232: Teach-in + PFNO
WL9M4G-3P2434: Pin 4 = Q (light switching), pin 2 = cable teach
Table indicates which measures are to be taken if the sensor stops working.
LED indicator/fault pattern /
LED indicator/fault pattern
Green LED does not light up /
Green LED does not light up
Green LED does not light up /
Green LED does not light up
Green LED does not light up /
Cause /
Cause
No voltage or voltage below
the limit values /
No voltage or voltage below
the limit values
Voltage interruptions /
Voltage interruptions
Sensor is faulty /
Measures /
Measures
Check the power supply,
check all electrical connecti‐
ons (cables and plug connecti‐
ons) /
Check the power supply,
check all electrical connecti‐
ons (cables and plug connecti‐
ons)
Ensure there is a stable power
supply without interruptions /
Ensure there is a stable power
supply without interruptions
If the power supply is OK, re‐
place the sensor /
8017640 | SICK
Subject to change without notice

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Wl9m4-3Wl9m4g-3

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