Safety Instructions
Note
SIEB & MEYERdevices are conceived for connection to symmetrically grounded TN
networks. For detailed information regading the connection to TN networks or other net-
works refer to the manual "EMC Guidelines", chapter "Connection to Different Supply
System Types".
Recommendations for the installation complying EMC (e.g. shields, connection to earth
and line installations) can be found in the technical manuals of your device (only for ma-
chine manufacturers). The manufacturer of the system or machine has to meet the re-
quirements of the legislation regarding the EMC.
1. Consider that the mains supply must be protected via an overload release with re-
stricted guidance for each mains phase. The mains line should not be switched on,
before the work is completed.
2. Before turning on the unit the first time, make sure that the connected machine will
not have runaway axes.
3. Never connect capacitive loads to the output phases of the servo amplifiers and fre-
quency converters.
4. Prevent cable loops. Therefore, the units must only be connected to earth at the
provided PE connection for the mains supply line and the racks only at the provided
earth screw.
DANGER
Connection of the power supply unit
This product may cause touch current in the protective earthing conductor.
The current in the protective earthing conductor can exceed 3.5 mA AC or
10 mA DC.
→ Pay attention to the local safety regulations for electric equipment with
high leakage currents, in particular the minimum cross-section of the
protective earthing conductor.
Operation with residual current device (RCD)
Note
For detailed information regarding the operation with residual current device (RCD) re-
fer to the manual "EMC Guidelines", chapter "Safety-relevant Aspects, Residual Current
Device (RCD)".
3.8 Operation
WARNING
Risk of serious personal injury due to moving machine parts
During the operation of an installation with open doors or removed covers,
persons may seriously be injured by moving machine parts.
→ Keep the doors closed during the operation and do not remove cov-
ers.
16 Drive System SD2 - Hardware Description
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