YASKAWA SVC - Page 518

10.3 Precautions for Inverter Operation
10-16
Inverter Emergency Stopping and Restarting Methods
This section provides the procedures to perform an emergency stop (turning OFF the main cir-
cuit and control circuit power supplies and stopping operation commands) during Inverter
operation and the procedures for restarting the Inverter.
 Maintaining Drive Permission
1. Turn OFF the main circuit power supply.
2. To stop the operation command, turn OFF the Forward RUN and Reverse RUN commands.
The motor will perform an emergency stop.
Use the following steps to restart operation.
3. Execute an alarm clear operation to clear the device alarm.
4. Turn ON the main circuit power supply.
5. Start the operation command again.





Inverter Drive Control (= 1)
Main circuit
power supply
Command
(OW08)
Forward RUN or
Reverse RUN
(OW10 bit 0 or 1)
Device Warning
Occurrence
(IW2C bit 1)
Device Alarm Occurrence
(IW2C bit 0)
Inverter Ready
(IL2A bit 6)
Command Error
Completed Status
(IW09 bit 3)
Alarm Clear
(OW00 bit F)
Drive Permission
(OW00 bit D)