Line connection and line-side power components
3.7 Line filters
Booksize Power Units
60 Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
Note
Length of connecting cables
The connecting cables between the line filter via the Active Interface Module and the line
reactor to the Line Module must be kept as short as possible (max. 10 m).
Use shielded connection cables. whose c
able shields are attached at both ends.
Shielding can only be omitted if the following conditions are met:
The cables do not exceed 1 m in length.
The cables are laid flush with the rear metal wall of the control cabinet.
The cables are laid in a way that keeps them physically separate from signal cables.
Cables must be routed with a minimum clearance of 200
mm to the filter.
In conjunction with line reactors and a consistent EMC-compliant system configuration, line
filters limit the conducted electromagnetic emissions generated by the Line Modules to the
limit values according to EN 61800-3. A separate line filter as listed in the subsequent table
must be used for the SINAMICS S120 drive line-up.
Damage caused by connecting several loads to the same line infeed point
Damage can be caused if several loads are connected to the same line infeed point.
• Provide interference suppression for the other loads using appropriate line filters. To
prevent mutual interference, it is not permissible that this line filter is equipped with
capacitors with respect to ground. A series B84144A*R120 filter (EPCOS) is
recommended.
Damage caused by using third party filters
According to product standard EN 61800-3, RFI suppression commensurate with the
relevant rated conditions must be provided and is a legal requirement in the EU (EMC
Directive). Line filters and line reactors are required in order to comply with this standard.
The use of filters of other makes can lead to limit value violations, resonances,
overvoltages, and irreparable damage to motors or other equipment.
• The machine manufacturer must provide verification that the machine equipped with the
drive products and the installed suppression elements, e.g. line filters, is EMC-compliant
before the machines are placed in the market.
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