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.
■
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 WT24-2 is an opto-electronic photoelectric proximity sensor (referred to as "sensor"
in the following) for the optical, non-contact detection of objects, animals, and persons.
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
Photoelectric proximity sensor with background suppression.
Table 1: Display and operating elements
WT24-2Bx2x, -2Vx2x, -2Bx5x,
-2Vx5x
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
1.0
1
Yellow LED indicator
WT24-2Bx1x, -2Vx1x, -2Bx4x,
-2Vx4x
1
Yellow LED indicator
WT24-2Rx2x, -2Rx5x
t
2
t
2
t
1
t
1
t
1
+ t
2
t
0
D
H
1.0
1
2
3
5
4
6
1
Yellow LED indicator
2
Potentiometer: adjust‐
ment of sensing range
WT24-2Rx1x, -2Rx4x
1
Yellow LED indicator
2
Potentiometer: adjust‐
ment of sensing range
GENERAL SAFETY NOTES 1
8008784.14BT | SICK
Subject to change without notice
5