Allen-Bradley 8720MC-RPS065 - Page 70

70 Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018
Chapter 5 Connect the 8720MC-RPS Unit
Figure 37 - Sequence Operation of Detecting Instantaneous Power Loss
(magnetic contactor power is not off)
Figure 38 - Sequence Operation of Detecting Instantaneous Power Loss
(magnetic contactor power is off)
PWM-ON PWM-ONInst. PWM-OFF
PWR Input
RST Input
RDY Output
FR Output
IP Output
On
O
On
O
Open
Close
Open
Close
Open
Close
DC Bus Voltage
Main Magnetic
Contactor (MC)
On
O
PWM-ON PWM-ONInst. PWM-OFF
Precharge
PWR Input
RST Input
RDY Output
FR Output
IP Output
On
O
On
O
Open
Close
Open
Close
Open
Close
DC Bus Voltage
Main Magnetic
Contactor (MC)
On
O