Stage 9 · Choose the working pump · 8 min
One request, one eligible pump
I can select duty or standby equipment without commanding both.
1. Why it matters
If the main water pump fails, the taps upstairs run dry. Switching to the spare keeps water flowing, as long as the supply tank still has water.
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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