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Grounding and Shielding
22
3.3.2 Shielding
All shields have to be connected on both ends and all the way around.
If extension lines are used for the sensors, it is not permitted to
connect the shielding with a connector pin. The shieldings should be
connected through the connector case.
If other devices are connected using voltage or current interfaces, then
the shielding on the side of these devices should be connected with
low inductance to their conductive cases.
The ground wire minimizes the effects of ground loops.
All unused connectors should be protected with a dummy plug
(conductive cover or the connectors or connector housings which are
part of the scope of supply).
WARNING:
All analog output channels and frequency output channels must be
wired using shielded cables!
Fig. 12 D-Sub connector shielding