bP
&DELQHW
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7RRWKHUV\VWHP
FRPSRQHQWV
(TXLSRWHQWLDOEXVEDU
6KLHOGLQJEXV
6HUUDWHGEXVEDU
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Figure 6-4
Equipotential bonding strip
6.6
Connecting the protective grounding
Connect the protective grounding to the cabinets and components in the system via the PE
conductor. Use the ground clamps for this, or the special terminal provided for the auxiliary
voltage.
Route the protective conductors in accordance with IEC 60204‑1 (DIN EN 60204‑1/VDE 0113
Part 1) Safety of machinery – Electrical equipment of machines – Part 1: General requirements.
Where possible, also connect the cabinet conductively over a large area with the building
ground.
Note
The equipotential bonding conductor does not have the function of a protective conductor. The
equipotential-bonding conductor is required for safe operation and as an interference
suppression measure.
6.7
Laying the cable shields
In the case of analog signal lines carrying small signals (mV or µA), attach the cable shield to
the shield bus in the cabinet at one end. In this way you avoid ground loops and line-frequency
interference. You can also connect the open shield end to the enclosure via a radio interference
suppression capacitor (e.g. 0.1 µF 100 V MKT).
Electrical connection
6.7 Laying the cable shields
SINAMICS SL150 6SL39616RC100AA02
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