Bill Fletcher

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About Bill Fletcher

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  1. Can you jump to a step in SFC logic?

    Bill Fletcher replied to Bill Fletcher's topic in Allen Bradley / Rockwell Automation

    Thanks. I'll take a look. Bill
  2. OkiePC liked a post in a topic: Control Of PF40 via 22 Comm E via EtherNet/IP
  3. This is what I do (if I am reading the original post correctly) Start Command and not Drivename:I.Active then turn on Drivename:O.Start that way the Drivename:O.Start output to the drive drops out as soon as the active feedback is received from the drive then for stopping: not Start Command and Drivename:I.Active then turn on Drivename:O.Stop Same as before, Drivename:O.Stop output to the drive drops out as soon as the active feedback from the drive goes low.
  4. Hi. Was wondering if there was a way to jump to a specific step in an SFC? For example, I have an SFC with 10 steps. If a system alarm occurs, I need to jump to an Alarm step from any of the 10 process steps. Then when the alarm clears, I need to jump back to the process step that was active when the alarm occurs. Trying to do this by connecting every process step to the alarm step and then back again with transitions would make the SFC pretty unreadable. Thanks for your help. Bill