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Electrical connection
6.1 Safety instructions for electrical connections
Material damage caused by parts that can be magnetized
The use of magnetizable parts, e.g. ferrous cable clamps, is not permitted. Using parts and
components that can be magnetized can cause damage.
● Only use parts that consist of non-magnetic material.
Damage caused by incorrectly shrinking cable terminations
If you are connecting the mains and motor-side power cables, when shrinking the cable
terminations, other control lines and fiber-optic cables in the surrounding cable channels can
become damaged.
● When shrinking, ensure not to damage cables in the surrounding cable channels.
Damage caused by incorrectly opening the doors
You can damage the locking mechanism if you open the doors incorrectly.
● Open the doors as described in Section "Preparing for use".
See also
Opening the device (Page 93)
Note
Control and signal lines must always be connected according to the circuit diagrams supplied
with the unit. Detailed information about connecting the components is given in the
interconnection diagram.
Note
We recommend using shielded cables. Unshielded cables can transfer disturbances to the
control and signal lines and lead to malfunctions in the drive.
Note
To ensure trouble-free operation without interference or disturbances, route the power cables
and signal lines separately. Interference, for example, will result in the device not behaving as
expected.
When connecting and routing power and signal cables, observe the instructions provided in
chapter "Electromagnetic compatibility".
72
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020
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