Siemens SINAMICS SM120 - Default Chapter; Table of Contents

Table of contents
1 Introduction.................................................................................................................................................11
1.1 About these instructions.........................................................................................................11
1.2 Warning symbols on the device.............................................................................................12
2 Safety instructions......................................................................................................................................13
2.1 Qualified personnel................................................................................................................13
2.2 The five safety rules...............................................................................................................13
2.3 Safe handling.........................................................................................................................14
2.4 Electromagnetic fields in electrical power engineering installations ......................................17
2.5 Components that can be destroyed by electrostatic discharge (ESD)...................................17
2.6 Information for persons responsible for plants and systems..................................................19
2.6.1 Proper usage..........................................................................................................................19
2.6.2 Industrial security concept......................................................................................................20
2.6.3 Grounding concept.................................................................................................................21
2.6.4 Installation site safety.............................................................................................................21
2.6.5 Instructions for inverters with no grounding switch................................................................22
2.6.6 Measures for operator protection in electromagnetic fields...................................................22
2.6.7 Requirements for the circuit breaker provided by the customer.............................................22
2.7 Residual risks.........................................................................................................................23
3 Description..................................................................................................................................................27
3.1 Safety concept.......................................................................................................................27
3.1.1 Safety components and functions..........................................................................................27
3.1.2 External safety components...................................................................................................27
3.1.3 Protection and monitoring functions of internal components.................................................28
3.1.4 Protection and monitoring functions for external components...............................................28
3.2 Motor Module employing M2C technology.............................................................................28
3.3 Re-cooling unit ......................................................................................................................30
3.3.1 Operating principle of the re-cooling unit...............................................................................30
3.3.2 The internal deionized water circuit........................................................................................30
3.3.3 The external raw water circuit................................................................................................32
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 Electromechanical door interlocking system..........................................................................34
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