Yaskawa RC5 Converter - Manual (Page 43)

4.6 Power On/Off Sequence
YASKAWA ELECTRIC TOEP C710656 01C YASKAWA - RC5 Instruction Manual 43
4.6 Power On/Off Sequence
Refer to Figure 4.5 when building a power ON/OFF sequence for the RC5.
Figure 4.5
Figure 4.5 Power Supply ON/OFF Sequence
Check the following when using the power regenerative unit.
• Run commands of the drive and the power regenerative unit should be turned ON after confirming that the drive and the power regenerative unit
are READY.
• Run commands of the drive and the power regenerative unit should be turned ON at the same time.
• Never turn the run command of the power regenerative unit OFF while the drive output during run is ON.
• Run output of the power regenerative unit turns OFF one second after the run command is turned OFF.
• Turn the power OFF after the run output of the power regenerative unit is OFF.
AC Power Supply
READY
Drive
READY
Run Command
Output during Run
Power Regenerative Unit
Output Frequency
1 sec
STOP
RUN
STOP
RUN
F F O N O
STOP
RUN
STOP
RUN
DC Injection Braking
OFF
OFF
ON
ON
Power Regenerative Unit
Drive
Drive
Run Command
Power Regenerative Unit
Output during Run
Drive