4. Ground the pair-cable shields to the clamps. Leave the other end of the shields
unconnected or ground them indirectly via a high-frequency capacitor with a few
nanofarads, eg, 3.3 nF / 630 V.
5. Connect the conductors to the appropriate terminals of the control unit (see the default
I/O connections in the hardware manual).
6. Wire the optional modules if included in the delivery.
Electrical installation 39
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