YASKAWA VARISPEED-656RC5

4.4 POWER ON/OFF SEQUENCE
Refer to Fig. 16 when building a power ON/OFF sequence for the VS-656RC5.
AC Power Supply
READY
Inverter
READY
Run Command
Output during Run
Power Regenerative Unit
Output Frequency
1 sec
STOP
RUN
STOP
RUN
ON OFF
STOP
RUN
STOP
RUN
DC Injection Braking
OFF
OFF
ON
ON
STOP RUN STOP
: ON : Blinking : OFF
Power Regenerative Unit
Inverter
Inverter
Run Command
Power Regenerative Unit
Output during Run
Inverter
RUN
DS1
DS2
Fig.16 Power Supply ON/OFF Sequence
Check the following when using the power regenerative unit.
S Run commands of the inverter and the power regenerative unit should be
turned ON after confirming that the inverter and the power regenerative
unit are READY.
S Run commands of the inverter and the power regenerative unit should be
turned ON at the same time.
S Never turn the run command of the power regenerative unit OFF while the
inverter output during run is ON.
S Run output of the power regenerative unit turns OFF one second after the
run command is turned OFF.
S Turn the power OFF after the run output of the power regenerative unit is
OFF.
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