Siemens SIMOTION D410 PN Manual page 61

The 24 V DC voltage must be designed as functional extra-low voltage with safe isolation
(PELV according to DIN EN 60204-1).
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 5- 4
When ...
all installations or systems, in which
SIMOTION is installed
Supply, signal, and bus cables
Signal and bus cables
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.
SIMOTION D410
Manual, 02/2012
DANGER
Protection against external electrical interference
5.2 General rules for operating the SIMOTION D410
make sure that ...
The installation or system is connected to protective
ground to divert electromagnetic interferences.
The wiring arrangement and installation complies with
EMC regulations.
A wire or conductor strand break must not cause any
undefined installation or system states.
Connecting
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