Delta C2000 Series User Manual page 73

Vector control drive

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Chapter 6 Control Terminals

Analog input signals are easily affected by external noise. Use shielded wiring and

keep it as short as possible (<20 m) with proper grounding. If the noise is inductive,

connecting the shield to terminal ACM can have better result.

When using analog input signal in the circuit, twisted pair is suggested to use for

dealing with weak signal

If the analog input signals are affected to malfunction by noise from the AC motor drive,

please connect a capacitor and ferrite core as indicated in the following diagram.

The "COM" terminal is the common side of the photo-coupler. Any of wiring method, the

"common point" of all photo-coupler must be the "COM".

external power +24V

Wind each wires 3 times or more around the core

with internal power (+24VDC)

internal circuit

with external power

with internal power (+24VDC)

with external power

internal circuit

external power +24V

internal circuit

internal circuit

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