Power On/Off Sequence - YASKAWA VARISPEED-656RC5 Instruction Manual

4.4

POWER ON/OFF SEQUENCE

AC Power Supply
Power Regenerative Unit
Output during Run
Power Regenerative Unit
Power Regenerative Unit
Output during Run
Output Frequency
Fig.16 Power Supply ON/OFF Sequence
38
Refer to Fig. 16 when building a power ON/OFF sequence for the VS-656RC5.
ON
OFF
READY
OFF
Inverter
READY
STOP
Inverter
Run Command
STOP
Inverter
STOP
Run Command
STOP
Inverter
STOP
RUN
DS1
DS2
: ON
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.
ON
ON
RUN
RUN
RUN
RUN
DC Injection Braking
RUN
: Blinking : OFF
OFF
1 sec
STOP