
Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018
83
8720MC-RPS Startup and Operation
Chapter 6
Discharge
Turn the RUN sequence control signal
OFF.
The discharge operation starts and the
PWM switching stops. Turn the main
magnetic contactor OFF. When the
discharge operation is completed, the DC-bus voltage drops to 50V or lower.
The display shows the DC-bus voltage is 12V.
Disconnect Power
Disconnect input power.
Power to the regulator board, display and
status indicators is turned OFF. But, when
you touch the internal portion of the
8720MC-RPS unit, DC-bus voltage can
still be present.
RST PRG ENT
R E ADY
FAUL T
P R OG R AM
kW
V
A
RST PRG ENT
R E ADY
FAUL T
P R OG R AM
kW
V
A