6.5.2 Connecting ground
DANGER
Danger to life as a result of insufficient grounding
The drive must be grounded to ensure that it operates safely and reliably. If the drive is
operated with insufficient grounding, then the protection and monitoring functions can fail.
Death, serious injury, or material damage will result.
● To ensure the correct functioning of the protection and monitoring equipment, ground the
device.
Each cabinet has a grounding lug for grounding the components installed in the cabinet. It is
located at the bottom of the cabinet. Connect the cabinets securely to the plant grounding
system via these grounding lugs.
Figure 6-4 Grounding lug
6.5.3 Preparations for connecting the power cables
● Disconnect the cabinets from the power supply.
● Ensure that all the necessary safety measures have been taken at the installation location.
● Allow unimpeded access to the cable clamping bar in the cabinets.
Electrical connection
6.5 Connection
SINAMICS GM150 6SL3810-2LN31-8AA2
86 Operating Instructions Rev.201910281332 EXAMPLE
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