SICK T4000 Bedienungsanleitung Seite 139

Operating Instructions
T4000 Direct Unicode
© SICK AG • Industrial Safety Systems • Germany • Subject to change without notice • 8012206/UC32/2010-11-15
Contents
Contents
1 About this document....................... 141
1.1 Function of this document...................141
1.2 Target group .........................................141
1.3 Depth of information............................141
1.4 Scope....................................................142
1.5 Symbols used.......................................142
2 On safety ........................................... 144
2.1 Qualified safety personnel...................144
2.2 Applications of the safety switches .....144
2.3 Correct use ...........................................146
2.4 General safety notes and protective
measures .............................................146
3 System description.......................... 147
3.1 Description of operation ......................147
3.2 Safety features.....................................148
4 Installation........................................ 148
4.1 Installation of the actuator and read
head......................................................149
4.2 Adjusting direction of approach ..........150
5 Electrical connection....................... 153
5.1 Safety notes for electrical connection.153
5.2 Fault tolerance .....................................154
5.3 Protection of the power supply............154
5.4 Connecting cables................................155
5.4.1 Connecting cable requirements ..........155
5.4.2 Maximum cable lengths.......................155
5.4.3 Determination of the cable length -
example................................................156
5.5 Plug assignment...................................157
5.6 Connection ...........................................158
5.6.1 Connection of a single safety switch...158
5.6.2 Connection of safety switches in
series
6 Commissioning and operation ...... 162
6.1 Status indicators ..................................162
6.2 Teaching-in an actuator .......................162
................................................159
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