Maintenance; Technical Specifications - SICK WLF4F Manual De Instrucciones

9

Maintenance

10

Technical specifications

Sensing range (with reflector PL80A)
Sensing range max. (with reflector PL80A)
Light spot size / distance
Supply voltage U
B
Ripple
Output current I
max.
Current consumption
Switching frequency
Max. response time
Enclosure rating
Protection class
Circuit protection
Ambient temperature, operation
1) Limit values
Reverse polarity protected U
B
Residual ripple max. 5 V
ss
2) With light / dark ratio 1:1
3) Signal transit time with resistive load
4) Reference voltage DC 50 V
5) A = U -connections reverse polarity protected
B
B = inputs and output reverse-polarity protected
C = Interference suppression
D = outputs overcurrent and short-circuit protected
8027380.1DTW /2021-12-13 | SICK
Subject to change without notice
This SICK sensor is maintenance-free.
We do, however, recommend that the following activities are undertaken regularly:
• Clean the optical interfaces using a plastic cleaner, do not use acetone or methy‐
lated spirits.
• Check the fittings and plug connectors
No modifications may be made to devices.
Subject to change without notice. Specified product properties and technical data are
not written guarantees.
connections
MAINTENANCE
WLF4F
0.4 m ... 7 m
0.4 m ... 10 m (Typ)
Ø 40 mm (1.0 m) (Typ)
DC 10 ... 30 V
1)
≤ 5 VSS
≤ 100 mA
25 mA
1000 Hz 2)
≤ 500 μs
3)
IP66, IP67
III
4)
A, B, C, D
5)
–40 °C ... +60 °C
O P E R A T I N G I N S T R U C T I O N S | WLF4F
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