YASKAWA L1000A Quick Start Manual page 14

3 Electrical Installation

Control Circuit
The control terminal board is equipped with screwless terminals. Always use wires within the specifications listed below.
For safe wiring, YASKAWA recommends solid wires or flexible stranded wires with ferrules. Use ferrules with a length
of 8 mm.
Stranded wire with ferrule

EMC Filter Installation
This drive has been tested in accordance with European standards IEC/EN 61800-3. Install the drive and wire the main
circuit as described below.
1.
Install an appropriate EMC noise filter to the input side. See the table in
Technical Manual for details.
2.
Place the drive and EMC noise filter in the same enclosure.
3.
Use braided shield cable for motor and control circuit wiring.
4.
Remove any paint or dirt from ground connections for minimal ground impedance.
5.
Make sure the ground conductor complies with technical standards and local safety rules. When an EMC filter is
installed, the leakage current exceeds 3.5 mA. Therefore according to IEC/EN 61800-5-1, at least one of the
conditions below must be satisfied:
– The cross-section of the protective earthing conductor must be at least 10 mm
– The power supply must be disconnected automatically in case of discontinuity of the protective earthing
conductor.
6.
Install an AC or DC reactor for IEC/EN 12015 compliance. Refer to the Technical Manual or contact your supplier
for details.
EMC noise filter
Ground plate
(scrape off any visible paint)
EN 14
Wire Type
Solid
Stranded
L3
L2
Make sure the ground wire is grounded
L1
L3 L2 L1 L3 L2 L3 L2 L1 L1
PE
Enclosure panel
Metal plate
Grounding surface
(remove any paint or sealant)
E
Cable clamp
Motor
YASKAWA ELECTRIC TOEP C710616 33G AC Drive L1000A - Quick Start Guide
Wire Size (mm 2 )
0.2 to 1.5
0.2 to 1.0
0.25 to 0.5
Main Circuit on page 13
2 (Cu) or 16 mm
YEG
Drive
Grounding surface
(remove any paint or sealant)
Motor cable (braided shield cable, max. 10 m)
Ground the cable shield
or refer to the
2 (Al).