Table Of Contents - Siemens SIROTEC Planning Manual

Contents
1 Introduction ..................................................................................... 1-11
2 EMC Basic Rules............................................................................. 2-13
3 Interference Spreading ................................................................... 3-15
3.1 Interference sources ..................................................................... 3-16
3.2 Interference sinks.......................................................................... 3-16
3.3 Coupling paths .............................................................................. 3-17
4 Equipotential Bonding.................................................................... 4-19
4.1 Equipotential bonding in built-in cabinets ...................................... 4-20
4.2 Equipotential bonding of external components ............................. 4-22
4.3 Examples of equipotential bonding ............................................... 4-25
5 Control Cabinet Structure .............................................................. 5-29
5.1 Design and assembly of the cabinet ............................................. 5-29
5.1.1 Earthing of control cabinet components .................................... 5-29
5.1.2 Breakdowns in the control cabinet wall...................................... 5-29
5.2 Assembly of the components in the control cabinet...................... 5-31
5.3 Wiring, shielding and earthing....................................................... 5-33
6 Wiring and Shielding ...................................................................... 6-35
6.1 Cable running................................................................................ 6-35
6.2 Shielding ....................................................................................... 6-37
6.2.1 Introduction ................................................................................ 6-37
6.2.2 Basic rules for the shield connection of simple shielded lines... 6-38
6.2.3 Shielding measures with power lines......................................... 6-40
6.2.4 Further conduction of the line shield at the interruption point .... 6-41
6.2.5 Example of shield connections .................................................. 6-42
7 Filtration........................................................................................... 7-45
7.1 Interference suppression of inductors........................................... 7-45
7.2 Filter .............................................................................................. 7-46
8 Troubleshooting and Fault Elimination ........................................ 8-49
8.1 Troubleshooting ............................................................................ 8-49
8.2 Fault clearance.............................................................................. 8-49
© Siemens AG, 2004. All rights reserved
EMC Installation Guideline - Planning Guide (EMV) - 03.2004 Edition
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