6 Electrical Installation
44
YASKAWA ELECTRIC
TOBP C720600 01E YASKAWA AC Drive Option CDBR-
D, LKEB-
Installation Manual
◆
Wiring the CDBR Braking Unit
■
Wiring Precautions
Before beginning the installation procedure:
1. Wire the drive and make the proper connections to drive terminals according to to the
manual packaged with the drive.
2.
Verify that the drive functions normally.
WARNING!
Electrical Shock Hazard. Ground the drive ground terminal (200 V class: ground to 100
Ω
or
less; 400 V class: ground to 10
Ω
or less; 600 V class: ground to 10
Ω
or less). Improper equipment
grounding could cause death or serious injury from contacting ungrounded electrical equipment.
WARNING!
Fire Hazard. Perform all dynamic braking option wiring as specified in the provided wiring
diagrams. Improper wiring could cause death or serious injury.
WARNING!
Electrical Shock Hazard. Mount the LKEB Braking Resistor Unit on a grounded metallic plate or
connect a ground wire from an LKEB mounting screw to earth ground. Improper equipment grounding could
cause death or serious injury.
NOTICE:
Insulate shields with tape or shrink tubing to prevent contact with other signal lines and
equipment. Improper wiring practices could cause drive or equipment malfunction due to short circuit.
NOTICE:
Do not solder the ends of wire connections to the option. Soldered wiring connections can loosen
over time and cause option malfunction.
Note: 1.
Keep ground cables as short as possible and ensure cabling complies with local codes.
2.
Separate CDBR Braking Unit and LKEB Braking Resistor Unit wiring from control wiring.
Components
Wiring Distance
CDBR and LKEB
< 10 m (32.8 ft.)
Drive and CDBR
< 5 m (16.4 ft.)
TOBP_C720600_01E_9_0_E.book 44 ページ 2017年8月25日 金曜日 午後2時8分