Table of contents
1
Introduction.................................................................................................................................................11
1.1
About these instructions.........................................................................................................11
1.2
2
Safety instructions......................................................................................................................................13
2.1
Qualified personnel................................................................................................................13
2.2
The five safety rules...............................................................................................................13
2.3
Safe handling.........................................................................................................................14
2.4
2.5
2.6
2.6.1
Proper usage..........................................................................................................................19
2.6.2
2.6.3
Grounding concept.................................................................................................................21
2.6.4
Installation site safety.............................................................................................................21
2.6.5
2.6.6
2.6.7
2.7
Residual risks.........................................................................................................................23
3
Description..................................................................................................................................................27
3.1
Safety concept.......................................................................................................................27
3.1.1
3.1.2
3.1.3
3.1.4
3.2
3.3
Re-cooling unit ......................................................................................................................30
3.3.1
3.3.2
3.3.3
3.4
Components...........................................................................................................................33
3.4.1
Double submodule.................................................................................................................33
3.4.1.1
Gating unit..............................................................................................................................33
3.4.1.2
Submodule capacitors............................................................................................................34
3.4.2
Door limit switch.....................................................................................................................34
3.4.3
3.4.4
Precharging............................................................................................................................34
3.4.5
Power Stack Adapter.............................................................................................................35
3.4.5.1
Power stack adapter 4...........................................................................................................36
3.4.6
Actual value sensing..............................................................................................................41
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015
5