YASKAWA A1000 - Specifications download pdf (Page 11)

3 Electrical Installation

10 YASKAWA ELECTRIC TOEP C710616 27A YASKAWA AC Drive - A1000 Quick Start Guide

 EMC Filter Installation

This drive has been tested in accordance with European standards EN61800-3, category C2. In order to comply to the

EMC standards, wire the main circuit as described below.

1. Install an appropriate EMC noise filter to the input side. See the table in Main Circuit on page 9 or refer to the

Technical Manual for details.

2. Place the drive and EMC noise filter in the same enclosure.

3. Use braided shield cable for the drive and motor wiring

4. Remove any paint or dirt from ground connections for minimal ground impedance

5. Install an AC reactor at drives smaller than 1 kW for compliance with the

EN61000-3-2. Refer to the Technical Manual or contact your supplier for details

 Main and Control Circuit Wiring

 Wiring the Main Circuit Input

Consider the following precautions for the main circuit input.

• Use fuses recommended in Main Circuit on page 9 only.

• If using a ground fault circuit breaker, make sure that it can detect both DC and high frequency current.

• If using an input switch is used, make sure that the switch does not operate not more than once every 30 minutes.

Wire Type Wire size (mm

)

Solid 0.2 to 1.5

Flexible 0.2 to 1.0

Flexible with ferrule 0.25 to 0.5

L3L3 L2L2 L1L1L3 L2 L1

Make sure the ground wire is grounded

Enclosure panel

Metal plate

Grounding surface

(remove any paint or sealant)

Drive

Grounding surface

(remove any paint or sealant)

Motor cable (braided shield cable, max. 10 m)

Cable clamp

Ground plate

(scrape off any visible paint)

EMC noise filter

Motor

Ground the cable shield

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YASKAWA A1000 - Specifications Page 11