SICK WTB4FT DoubleLine User manual

OPERATING INSTRUCTIONS
WTB4FT DoubleLine
Miniature photoelectric sensors

OPERATING INSTRUCTIONS
WTB4FT DoubleLine
Miniature photoelectric sensors
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Described product
W4F
WTB4FT DoubleLine
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
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reserved for SICK AG. Reproduction of this document or parts of this document is
only permissible within the limits of the legal determination of Copyright Law. Any modi‐
fication, abridgment or translation of this document is prohibited without the express
written permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
2006/42/EC
NO
SAFETY
8025300.1BBX / 2021-05-12 | SICK
Subject to change without notice 3

Contents
1 General safety notes......................................................................... 5
2 Notes on UL approval........................................................................ 5
3 Product description........................................................................... 5
3.1 Intended use............................................................................................. 5
3.2 Operating elements and status indicators.............................................. 5
4 Mounting............................................................................................. 6
5 Electrical installation........................................................................ 6
6 Commissioning.................................................................................. 8
6.1 Alignment.................................................................................................. 8
6.2 Check the application conditions:........................................................... 9
6.3 Setting....................................................................................................... 10
6.4 Process data structure............................................................................. 12
7 Troubleshooting................................................................................. 12
8 Disassembly and disposal............................................................... 13
9 Maintenance...................................................................................... 13
10 Technical specifications................................................................... 13
10.1 Dimensional drawings.............................................................................. 14
CONTENTS
48025300.1BBX / 2021-05-12 | SICK
Subject to change without notice

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 WTB4FT 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.
Table 1: Operating elements and status indicators
WTB4
FT-
xxxxxx20Axx xxxxxx30Zxx xxxxxx10Zxx xxxxxxA0Zxx
Teach-Turn adjust‐
ment
Teach-in button Potentiometer Preset default - no
possibility of setting
1
3
2
4
34
2
2
34
34
GENERAL SAFETY NOTES 1
8025300.1BBX / 2021-05-12 | SICK
Subject to change without notice 5