Table Of Contents - Siemens SINAMICS G120 Hardware Installation Manual

Table of contents

1 Changes in this manual ....................................................................................................................... 5
2 Fundamental safety instructions........................................................................................................... 7
2.1 General safety instructions................................................................................................... 7
2.2 Equipment damage due to electric fields or electrostatic discharge ..................................... 13
2.3 Warranty and liability for application examples ................................................................... 14
2.4 Security information .......................................................................................................... 15
2.5 Residual risks of power drive systems ................................................................................. 16
3 Introduction ......................................................................................................................................... 17
4 Installing/mounting ............................................................................................................................. 19
4.1 EMC-compliant installation of a machine or system ............................................................ 19
4.1.1 Control cabinet .................................................................................................................. 20
4.1.2 Cables ............................................................................................................................... 21
4.1.3 Electromechanical components.......................................................................................... 24
4.2 Power losses and air cooling requirements ......................................................................... 25
4.3 Mounting the Power Modules ............................................................................................ 26
4.4 Additional components ...................................................................................................... 30
5 Connection........................................................................................................................................... 31
5.1 Permissible networks ......................................................................................................... 33
5.1.1 TN line system ................................................................................................................... 34
5.1.2 TT line system.................................................................................................................... 35
5.1.3 IT system ........................................................................................................................... 36
5.2 Requirements for the protective conductor ......................................................................... 37
5.3 Connection overview ......................................................................................................... 39
5.4 Inverter terminals .............................................................................................................. 41
5.5 Connecting the line supply and motor ................................................................................ 42
5.6 Length of motor cable........................................................................................................ 44
5.7 Connecting the motor to the converter in a star or delta connection ................................... 45
6 Operation, repair, and maintenance ................................................................................................... 47
6.1 Operation .......................................................................................................................... 47
6.2 Repair................................................................................................................................ 48
6.3 Replacing fans ................................................................................................................... 49
6.4 Maintenance...................................................................................................................... 52
PM250 Power Module
Hardware Installation Manual, 04/2021, A5E36265179B-AB
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