Information About Electromagnetic Compatibility (Emc) And Cable Laying; General; Cable Shielding And Laying - Siemens SINAMICS S120 Equipment Manual

6.5 Information about electromagnetic compatibility (EMC) and cable
laying
6.5.1

General

EMC requirements can be found in EN 60439-1 and recommendations in EN60204-1. For
the installation of components in cabinets, the following conditions must also be fulfilled to
ensure compliance with the EMC Directive:
• Operation in TN systems with SINAMICS line filters
• Observance of information about cable shielding and equipotential bonding
• Use of recommended Siemens power and signal cables.
6.5.2

Cable shielding and laying

In order to comply with the EMC requirements, certain cables must be routed apart from
other cables and from certain components. To meet these requirements, cables must be
shielded as follows:
• Power supply cables between the line power outlet and the line filter, unless
• All motor cables (brake cables can also be part of the motor cable)
• Cables for "fast inputs" of the control unit
• Cables for analog inputs/outputs
• Signal lines for sensors
• Temperature sensor cables
The cable shields The cable shields must be connected as close to the conductor terminal
connections as possible to ensure a low-impedance connection with cabinet ground. For
Siemens power cables in which the shield is connected to the connector shell (see relevant
catalog), this is a sufficiently good shield contact.
Booksize Power Sections
Equipment Manual, (GH2), 04.2004 Edition, 6SL3097-2AC00-0BP0

6.5 Information about electromagnetic compatibility (EMC) and cable laying

– The distance between cables upcircuit of the filter and downcircuit of the filter
is ≥ 300 mm
– The distance between the cables downcircuit of the line filter and the control unit
≥ 100 mm
Cabinet Configuration and EMC Booksize
6-17