Siemens SCALANCE XB108-2 Operating Instructions Manual page 30

Simatic net industrial ethernet switches
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Connecting up
5.5 Functional ground
With automation components, functional ground also ensures interference-free operation of a
controller. Via the functional ground, interference currents coupled in via the connecting cables
are discharged to ground.
30
Operating Instructions, 02/2019, C79000-G8976-C473-03
SCALANCE XB-100

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