3 Electrical Installation
EN 22
YASKAWA Europe
TOEP C710606 50B - AC Drive L1000V - Quick Start Guide
NOTICE
• Terminals H1 and HC are used for the Safe Disable function, which can be used to enable/
disable the drive.
Refer to Safe Disable Input Function on page 50
for details. Always
remove the wire link between H1 and HC when using Safe Disable.
• The wiring length to terminals H1 and HC should not exceed 30 meters.
• When connecting a reactive load such as a relay coil to a photocoupler output, attach a
flywheel diode to the load (relay coil) like shown below. Be sure that the diode voltage
rating is higher than the circuit voltage.
DC Power
Supply (max 48 V)
Flywheel diode
Reactive
load
I (max 50 mA)
