Stage 14 · Give commands an end · 6 min
Make every command’s lifetime clear
I can distinguish N, S and R actions and reset a chart deliberately.
1. Why it matters
A pump can keep running after the chart has left the step that started it. If nothing clears that command, the pump overflows the tank it is filling.
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- The idea in plain words
- See it happen, scan by scan, in Siemens and Rockwell
- Vendor notes
- On site
- Try it on the rig
- Check your understanding