Rockwell Automation Logix5000 Controllers Sequential Function Charts Programming Manual - Manual (Page 82)

Chapter 3 Force steps
For example, to exit this branch, the SFC
must be able to complete these actions.
• Execute Step_011 at least once
• Get past Tran_011 and execute
Step_012 at least once
• Determine that Tran_012 is TRUE
Force a simultaneous path
To prevent the execution of a path of a simultaneous branch, force the path
FALSE. When the SFC reaches the branch, it executes only the un-forced paths.
82 Rockwell Automation Publication 1756-PM006F-EN-P - October 2014