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 WT34 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
WT34-Bx2x, -Vx2x, -Bx5x, -
Vx5x
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
WT34-Bx1x, -Vx1x, -Bx4x, -
Vx4x
PNP
NPN
D
H
1
.0
1
2
3
4
1
Yellow LED indicator
WT34-Rx2x, -Rx5x
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
WT34-Rx1x, -Rx4x
D
H
1
.0
1
2
3
1
Yellow LED indicator
GENERAL SAFETY NOTES
1
8009202.11O1 | SICK
Subject to change without notice
5
