Electrical Installation
‑160‑
8.4.2 Wiring Descriptions of Control Circuit Terminals
Wiring AI1
Weak analog voltage signals are prone to suffer external interference. Therefore, a
shielded cable is required, and the wiring distance must be as short as possible (no
longer than 20 m), as shown in "
Figure 8–36 AI wiring
"
on page 160
. In scenarios where
analog signals experience severe external interference, install a filter capacitor or a
ferrite core on the analog signal source side, as shown in "
Figure 8–37 Grounding the
shield of analog input cable
"
on page 161
. Connect the drain wire of the shield of the
analog input cable to the PE terminal of the AC drive.
Figure 8‑36 AI wiring
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