Lead-lag vfd pump with overlap?

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I have two pumps that are on VFD's, supplying water. Each runs with identical speed setpoints up to 50%. Above 50% the lead pump will take on...
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Good day everyone. if you have a logic for 3 pumps (lead/lag/off), would you please email it to me? I really appreciate it!
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I am a novice at ladder logic programming but I needed a lead/lag function for two pumps that I am controlling. I bought a cheap FX1N(C) board...
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