Rockwell-automation 2098 CompactLogix Indexing Motion Accelerator Tool Manuel d'utilisateur télécharger pdf (Page 97)

Publication IASIMP-QS011B-EN-P — January 2009 97

CompactLogix Base Program Overview Appendix A

Overall Program Flow

The automatic cycle and the manual cycle are controlled by a state sequencer. The sequencer has

an index register (for example, AutoCycle.StepIndex) that can only be at one value at a time, so

the states of the machine are unique. The sequencer changes states based on the commands and

conditions of the machine.

In the P00_Control rung example below, if the conditions (not manual, auto cycle idle state, and

user start request) are met, a machine start command is initiated.

Start Command Rung

There is logic in the main machine control P00_Control program for the automatic cycle as well

as manual machine control.

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Rockwell-automation 2098 CompactLogix Indexing Motion Accelerator Tool Manuel d'utilisateur Page 97