Wiring examples – Yaskawa AC Servo Drives Sigma II Series User Manual

Page 17

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12 MEASURES TO SATISFY THE EMC DIRECTIVES

E-15

„

Wiring Examples

The following diagrams show the wiring example. Before wiring, turn OFF the Power ON/
OFF switch and post a notice of “No Conduction.” Only an electrical expert can perform the
wiring. The noise filter and the core are shown in the diagram.

Note: 1. Clamp: Secure and ground cable shields using conductive metal parts.

2. Make sure that the grounding plate are securely connected to the grounding.
3. Remove the paint from the grounding plate to insure a good connection with filter, SER-

VOPACK, clamp, etc.

<REQUIRED EMC SPECIFICATIONS>

Grounding plate/Box

Three-phase

400 VAC

Single-phase

200 VAC

Clamp

Noise

filter 1

Noise

filter 2

AC/DC

converter

CN1

Core

Core

Core

Core

Core

Core

Core

Open

Moter

Servomotor

Host controller

Encoder

Core

Core

Clamp

Clamp

Clamp

Clamp

Core

Control box

NS115

SGDH

SERVOPACK

L1, L2, L3

A1, A2

CN6A

CN6B

U, V, W,

CN2

Clamp

Main

power

supply

Control

power

supply

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