● For plants and systems distributed over a wide physical area, always use an equipotential
bonding conductor.
● Correctly connect armored cable using a cable gland. The cable armor must be connected
to the cable gland around its complete circumference. The gland itself must be in contact
with the gland plate around its complete circumference and must be connected to PE.
Procedure
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1
Shield connection
2
Cable gland with grounding bushing
Figure 6-4
Shield connection
Input side
Only connect shield 1 on the drive side to the PE shield busbar. Do not connect the shield on
the transformer side.
Output side
Connect shield 1 at the drive to the PE shield busbar. Connect shield 2 at the motor.
6.9
Interconnecting optional connections
Depending on the range of options installed, further connections have to be interconnected.
Detailed information about interconnecting these options with the interfaces is provided in the
circuit manual.
Electrical connection
6.9 Interconnecting optional connections
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020
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