SICK WEU26-3 User Manual

Operating Instructions
WSU/WEU263
8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 3
Subject to change without notice
Contents
Contents
1 About this document.........................................................................................................5
1.1 Function of this document....................................................................................5
1.2 Target group ..........................................................................................................5
1.3 Scope .....................................................................................................................5
1.4 Depth of information.............................................................................................5
1.5 Abbreviations.........................................................................................................6
1.6 Terminology, symbols used ..................................................................................6
2 On safety.............................................................................................................................7
2.1 Qualified safety personnel....................................................................................7
2.2 Applications of the device.....................................................................................7
2.3 Correct use ............................................................................................................8
2.4 General safety notes and protective measures ..................................................8
2.5 Environmental protection .....................................................................................9
2.5.1 Disposal ...............................................................................................9
2.5.2 Separation of materials ......................................................................9
3 Product description.........................................................................................................10
3.1 Special features ..................................................................................................10
3.2 Operating principle of the device .......................................................................10
3.2.1 Scanning range .................................................................................11
3.2.2 Restart interlock................................................................................11
3.2.3 External device monitoring (EDM)....................................................11
3.2.4 Front screen heating.........................................................................11
3.3 Structure and function........................................................................................12
3.4 Application example............................................................................................13
4 Mounting ..........................................................................................................................14
4.1 Preparation for mounting ...................................................................................14
4.1.1 Safety distance for access protection..............................................14
4.1.2 Minimum distance to reflective surfaces ........................................17
4.1.3 Mutual interference of systems in close proximity .........................18
4.2 Mechanical mounting .........................................................................................18
4.2.1 Deflector mirror .................................................................................20
5 Electrical installation......................................................................................................22
5.1 Important information for the installation .........................................................22
5.2 System connection..............................................................................................23
5.2.1 Pin assignment sender .....................................................................23
5.2.2 Tested ................................................................................................23
5.2.3 Pin assignment receiver ...................................................................24
5.3 Arc-suppression...................................................................................................25
5.4 Cross-circuit monitoring ......................................................................................25
5.5 Overcurrent protection (fuse) .............................................................................25

SICK WEU26-3 Specifications

General

Brand	SICK
Model	WEU26-3
Category	Security Sensors
Language	English