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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-ON
Inst. PWM-OFF
PWR Input
RST Input
RDY Output
FR Output
IP Output
On
Off
On
Off
Open
Close
Open
Close
Open
Close
DC Bus Voltage
Main Magnetic
Contactor (MC)
On
Off
PWM-ON
PWM-ON
Inst. PWM-OFF
Precharge
PWR Input
RST Input
RDY Output
FR Output
IP Output
On
Off
On
Off
Open
Close
Open
Close
Open
Close
DC Bus Voltage
Main Magnetic
Contactor (MC)
On
Off