winder and rewinder without loop...

jimtech67:
thanks for your advice, I will talk with Delta Systems (drives Delta VFD-F) about this, When I have results I will put where.
 
I tried to do this with an ABB ACS350 and a PLC and failed so bad. It is so complicated to program this tension control without load cells or dancer. I wish I had known that there are special drives for this such as ABB ACS880, Omron MX2, etc.
 

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