1
General safety notes
1.1
Safety notes
2
Notes on UL approval
3
Correct use
4
Operating elements and status indicators
Table 1: Display and operating elements
WL24-2Bx4x
1
2
H
5
3
t 2
D
6
t 1
NPN
t 1
t 2
7
PNP
4
t 0
t 1 + t 2
Yellow LED indicator
1
Potentiometer: adjust‐
2
ment of sensitivity
8008783.14BT | SICK
Subject to change without notice
Read the operating instructions before commissioning.
■
■
Connection, mounting, and setting may only be performed by skilled per‐
son.
■
NO
2006/42/EC
Not a safety component in accordance with the EU Machinery Directive.
SAFETY
■
When commissioning, protect the device from moisture and contamination.
These operating instructions contain information required during the life cycle of
■
the sensor.
The device must be supplied by a Class 2 source of supply.
UL Environmental Rating: Enclosure type 1
The WL24-2 is an opto-electronic photoelectric retro-reflective sensor (referred to as
"sensor" in the following) for the optical, non-contact detection of objects, animals, and
persons. 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.
WL24-2Xx3x
1
2
H
3
D
NPN
4
PNP
Yellow LED indicator
1
Potentiometer: adjust‐
2
ment of sensitivity
GENERAL SAFETY NOTES
WL24-2Rx4x
1
2
4
H
3
t
2
D
5
t 1
6
t 1
t 2
t
0
t
+ t
1
2
Yellow LED indicator
1
Potentiometer: adjust‐
2
ment of sensitivity
WL24-2Rx3x
1
2
H
3
D
Yellow LED indicator
1
Potentiometer: adjust‐
2
ment of sensitivity
1
5