SICK WTB4FP MultiSwitch, Operating Instructions Manual

Page: 19 / 157

1 General safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
2006/42/EC
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
Do not install the sensor at locations that are exposed to direct UV radiation
(sunlight) or other weather influences, unless this is expressly permitted in the
operating instructions.
■
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 shall be supplied from an isolating transformer having a secondary overcur‐
rent protective device that complies with UL 248 to be installed in the field rated either:
a) max 5 amps for voltages 0 ~ 20 V (0 ~ 28.3 V peak), or
b) 100 / Vp for voltages of 20 ~ 30 V (28.3 ~ 42.4 V peak).
Alternatively, they can be supplied from a Class 2 power supply.
UL Environmental Rating: Enclosure type 1
3 Product description
3.1 Intended use
The WTB4F is an opto-electronic photoelectric background suppression proximity sen‐
sor (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.
3.2 Operating elements and status indicators
Photoelectric proximity sensor with background suppression.
1
3 4
2
1
BluePilot blue: operating mode, Switching state Q
L1
, Q
L2
2
Teach-Button: adjusting the sensing range
3
Yellow LED: status of received light beam
GENERAL SAFETY NOTES
1
8025665.1DTW /2022-02-14 | SICK O P E R A T I N G I N S T R U C T I O N S | WTB4FP MultiSwitch 19
Subject to change without notice
en