YASKAWA CDBR-****D User & Installation Manual page 44

6 Electrical Installation
◆
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.
Verify that the drive functions normally.
2.
WARNING! Electrical Shock Hazard. Ground the drive ground terminal (200 V class: ground to 100
less; 400 V class: ground to 10
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.
44 YASKAWA ELECTRIC TOBP C720600 01E YASKAWA AC Drive Option CDBR-D, LKEB- Installation Manual
Ω
or less; 600 V class: ground to 10
Components
CDBR and LKEB
Drive and CDBR
Ω
or less). Improper equipment
Wiring Distance
< 10 m (32.8 ft.)
< 5 m (16.4 ft.)
Ω
or