ABB ACQ580-04 Guia De Inicio Rapido página 13

Connect the control cables
See figure X on page 58.
1. Ground the outer shields of all external control cables 360 degrees at the cabinet
entry.
2. Ground the pair-cable shields of external control cables to a grounding clamp below
the control unit. 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.
3. Connect the conductors to the appropriate terminals of the control unit. See page 14.
4. Wire the option modules if included in the delivery.
EN – Quick installation guide (North America) 13
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