SICK WL34

1 General safety notes
1.1 Safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and setting may only be performed by skilled per‐
son.
■
2006/42/EC
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
When commissioning, protect the device from moisture and contamination.
■
These operating instructions contain information required during the life cycle of
the sensor.
2 Notes on UL approval
The device must be supplied by a Class 2 source of supply.
UL Environmental Rating: Enclosure type 1
3 Correct use
The WL34 is an opto-electronic photoelectric retro-reflective sensor (referred to as "sen‐
sor" in the following) for the optical, non-contact detection of objects, animals, and per‐
sons. A reflector is required for this product to function. If the product is used for any
other purpose or modified in any way, any warranty claim against SICK AG shall become
void.
4 Operating elements and status indicators
Table 1: Display and operating elements
WL34-Bx4x
t
2
t
2
t
1
t
1
t
1
+ t
2
t
0
PNP
NPN
D
H
1
2
3
6
4
5
7
1
Yellow LED indicator
2
Potentiometer: sensi‐
tivity adjustment
WL34-Xx3x
PNP
NPN
D
H
1
2
3
4
1
Yellow LED indicator
2
Potentiometer: sensi‐
tivity adjustment
WL34-Rx4x
t
2
t
2
t
1
t
1
t
1
+ t
2
t
0
D
H
1
2
3
5
4
6
1
Yellow LED indicator
2
Potentiometer: sensi‐
tivity adjustment
WL34-Rx3x
D
H
1
2
3
1
Yellow LED indicator
2
Potentiometer: sensi‐
tivity adjustment
GENERAL SAFETY NOTES 1
8009201.11O1 | SICK
Subject to change without notice
5