Is there any VFD comes along with pressure control for 3 numbers of 15 kw pumps?
I saw Telemecanique ';Great 3+ pumping station'; which is controlling one pump at a time and kept other one in stand by. Is there any other controller which can keep 2 pumps in service and one in stand by?
Please if anyone knows send me the details or website ref.VFD doubts ... is there 3 pump control...?
Most all VFD will accept a 4-20 ma input. So, if you want a particular action the best solution is to purchase an inexpensive PLC and write a software program to control with hat ever functionality you need. check out this site. http://www.omega.com/toc_asp/subsectiono鈥?/a> they also have a lot of free information on how to get it done.
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