394 Rockwell Automation Publication 2198-UM002L-EN-P - October 2021
Appendix E Regenerative Bus Supply Sequence Operation
Stopped
With DC-bus Up high and DC-bus Unload low, the regenerative bus supply is
in a STOPPED state.
When configured for Enable Request, a Motion Servo On (MSO) commend is
required for the regenerative bus supply to transition from the STOPPED state
to the RUNNING state.
• In the RUNNING state, the regenerative bus supply is ready to provide
full-line motoring and regenerative power to and from the Kinetix 5700
drive system.
• While in the STOPPED state, the regenerative bus supply provides full-
line motoring power, however, regeneration will not occur.
After issuing a Motion Servo On command, the regenerative bus supply
transitions to the STARTING state.
Starting
When the regenerative bus supply is in the STARTING state, the
PowerStructureEnabledStatus tag equals 1, the IGBTs turn on, and the DC-bus
increases by 5%. The regenerative bus supply then transitions to the RUNNING
state.
Running
When the regenerative bus supply is in the RUNNING state, the
TrackingCommandStatus tag equals 1 indicating that the regenerative bus
supply is capable of both motoring and regenerating requirements.
The following code can be used to indicate that the regenerative bus supply is
running and ready for both motoring and regeneration.
Figure 206 - Ready for Motoring and Regeneration
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