VFD gives insight to process and machines
VFD gives insight to process and machines
(OP)
Dear all,
for once this is not a question. Since this forum has been and currently is very helpful to me,
I would like to share an interesting experience I had.
We have been using an hydraulic pump async motor driven directly from the line.
Recently we added a VFD (for various purposes) and reading the analog output 0-10V signal
(programmed to output current drawn by the motor) we have discovered a lot of information about the process.
Nobody would connect current measuring devices just for the sake of it, while with the VFD the information
is available free of charge.
Attached an example trace we took with our CNC where the current signal has been hooked to.
Hope this may be useful to someone else. Have a nice day.
for once this is not a question. Since this forum has been and currently is very helpful to me,
I would like to share an interesting experience I had.
We have been using an hydraulic pump async motor driven directly from the line.
Recently we added a VFD (for various purposes) and reading the analog output 0-10V signal
(programmed to output current drawn by the motor) we have discovered a lot of information about the process.
Nobody would connect current measuring devices just for the sake of it, while with the VFD the information
is available free of charge.
Attached an example trace we took with our CNC where the current signal has been hooked to.
Hope this may be useful to someone else. Have a nice day.





RE: VFD gives insight to process and machines
While this is on page 43 of the document, it is on page 49 in the .pdf file.
You may find the complete paper at:http://www.baldor.com/Shared/manuals/PR2525.pdf
Bill
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"Why not the best?"
Jimmy Carter