Connecting
3.4 Power supply
SIMOTION D4x5-2
50 Commissioning and Hardware Installation Manual, 02/2012
3.4.2 Standards and regulations
VDE guideline compliance
During wiring, you must observe the appropriate VDE guidelines, in particular VDE 0100 and
VDE 0113 for tripping devices and short-circuit and overload protection.
System startup after certain events:
The following list identifies considerations required for startup of a system following certain
events.
● If the system starts up again following a voltage drop or power failure, all hazardous
operating states must be prevented from occurring. If necessary, force an EMERGENCY
OFF.
● If the system starts up again after the EMERGENCY OFF apparatus is released, the
startup must not be unchecked or undefined.
3.4.3 Mains voltage
Rules for the line voltage
The following list indicates what you must take into account for the line voltage:
● For stationary installations or systems that do not have all-pole line disconnect switches,
the building installation must include a line disconnect switch or a fuse.
● For load power supplies and power supply modules, the rated voltage range set must
correspond to the local line voltage.
● For all circuits, the fluctuation/deviation of the line voltage from the rated value must be
within the permitted tolerance (see the technical data for the SIMOTION D and
SINAMICS modules).
24 VDC supply
For... Requirement
Buildings External lightning
protection
Install lightning protection (e.g.
lightning conductors).
24 VDC supply lines, signal lines Internal lightning
protection
24 V supply safe (electrical) isolation of the extra-low voltage
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