Rockwell Automation 8720MC 8720MC Regenerative Power Supply User Manual - Manual (Page 73)

Figure 4.16
Sequence Operation of Detecting Instantaneous Power Loss
(When Main Magnetic Contactor is not Turned OFF)
Figure 4.17
Sequence Operation of Detecting Instantaneous Power Loss
(When Main Magnetic Contactor is Turned OFF)
On
Off
On
Off
On
Off
Open
Close
Open
Close
Open
Close
DC Bus Voltage
PWR Input
RST Input
RDY Output
FR Output
IP Output
PWM-ON PWM-ON Inst. PWM-OFF
Main Magnetic
Contactor (MC)
On
Off
On
Off
On
Off
Open
Close
Open
Close
Open
Close
DC Bus Voltage
PWR Input
RST Input
RDY Output
FR Output
IP Output
PWM-ON PWM-ON Inst. PWM-OFF Precharge
Main Magnetic
Contactor (MC)
4-35 Wiring