Design a sequential function chart
Rockwell Automation Publication 1756-PM006I-EN-P - February 2018 17
A selection branch chooses between different execution paths.
A text box lets you add descriptive text or notes to your SFC.
A wire connects one element to another element anywhere on the chart. This wire takes you to the conveyor
step on the first part of this SFC (previous figure).
A stop lets you stop and wait for a command to restart.
Follow these steps to design a sequential function chart.
1. Define the tasks on page 18
2. Choose how to execute the SFC on page 19
3. Define the steps of the process on page 19
4. Organize the steps on page 23
5. Add actions for each step on page 28
6. Describe each action in pseudocode on page 31
7. Choose a qualifier for an action on page 32
8. Define the transition conditions on page 33
9. Transition after a specified time on page 36
10. Turn off a device at the end of a step on page 38
11. Keep something on from step-to-step on page 45
12. End the SFC on page 48
13. Nest an SFC on page 50
14. Configure when to return to the OS/JSR on page 52
15. Pause or reset an SFC on page 53
16. Execution diagrams on page 53
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