YASKAWA U1000 - Page 99

2.
Use braided shield cable for the drive and motor wiring, or run the wiring through a metal conduit.
3.
Keep wiring as short as possible. Ground the shield on both the drive side and the motor side.
A
B
D
E
C
M
U/T1
V/T2
W/T3
U
V
W
A – Drive
B – 10 m max cable length between
drive and motor
C – Motor
D – Metal conduit
E – Ground wire should be as short as
possible.
Figure i.71 Installation Method
4.
Make sure the protective earthing conductor complies with technical standards and local safety regulations.
WARNING! Electrical Shock Hazard. Because the leakage current exceeds 3.5 mA in models 4 o 0302 and larger, IEC/EN
61800-5-1 states that either the power supply must be automatically disconnected in case of discontinuity of the protective earthing
conductor, or a protective earthing conductor with a cross-section of at least 10 mm
2
(Cu) or 16 mm
2
(Al) must be used. Failure to
comply may result in death or serious injury.
C
B
A
A – Braided shield cable
B – Metal panel
C – Cable clamp (conductive)
Figure i.72 Ground Area
i.9 Standards Compliance
YASKAWA ELECTRIC TOEP C710636 04D U1000 Industrial MATRIX Drive Quick Start Guide
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