Autonics ARD Series, User Manual

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6 Installation and network wiring
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(6) Grounding
Groudning blocks external noise. If grounding is not proper, it may cause communication
problem by noise.
Connect Shield cable to grouding terminal (F.G.) of power supply. The cable length between
power supply devicena and power tap should be below 3m.
 Grounding only for 1-point of power output terminal not to organizing ground loop
between shield cable and GND.

Grounding should be at the center of network.
 Must be class 3 grounding
 Dedicated grounding for inverter of driveline individually.
When wiring Multi-drop, connect grounding to no.3 hole whch is same shield cable.
When wiring with taps, connect only ground to one connector of tap and attach it to a tap.