Protection against external electrical interference
The following table shows what you have to take into account to protect your system against
electrical interference or faults.
Table 6-4
Protection against external electrical interference
When ... make sure that ...
all installations or systems, in which
SIMOTION is installed
The installation or system is connected to protective
ground to divert electromagnetic interferences.
Supply, signal, and bus cables The wiring arrangement and installation complies with
EMC regulations.
Signal and bus cables A wire or conductor strand break must not cause any
undefined installation or system states.
Rules for current consumption and power loss in an installation
The power loss of all components used in a cabinet must not exceed the maximum amount
that can be dissipated from the cabinet.
Note
When designing the control cabinet, ensure that the temperature inside the cabinet does not
exceed the permitted ambient temperature for the components even at high external
temperatures.
6.3 Safety information for wiring
Requirement
You have mounted the Control Unit in the control cabinet.
The
SIMOTION D410 control unit has a protective conductor connection (M4 screw, Torx T20).
This connection is also for the connection of an equipotential bonding conductor.
Note
Requirements for functional safety for machines and systems; reliability and EMC are only
guaranteed with original SIEMENS cables.
Connecting
6.3 Safety information for wiring
SIMOTION D410
Manual, 04/2014 69
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