Siemens SIMADYN D Hardware Manual page 54

Subracks
EMC
NOTE
2-20
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 The subrack must be connected to the grounding rail via the connecting
studs through a min. 6 mm² cable which should be kept as short as
possible.
Potential bonding using the PE pin of supply connector X1 is not
sufficient!
 All of the cabinets associated with networked SIMADYN D drives must be
connected with one another through a potential bonding conductor of at
least 16 mm².
 Empty slots must be provided with SIMADYN D slot covers (SR81, SR82,
SR83).
 All modules must be screwed into the subrack.
 No undamped contactors may be used in a cabinet together with
SIMADYN D.
 If undamped contactors are mounted in a cabinet next to SIMADYN D,
the cabinet must have a metal partition between them.
 The protective contactor is connected at the subrack and at the power
supply. Both components must be at protective conductor potential.
 Before removing the power supply, the connecting cables must be
disconnected. The connecting cables must first be disconnected from the
supply so that they are in a no-voltage condition!
 The screens of screen cables must be directly connected to the
grounding- or screen rails and fed to the interface modules, still
screened.
Additional information regarding EMC and the ambient conditions, refer
to Section „General technical data"!
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Industry Automation
Hardware - SIMADYN D
Edition 04.2011
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