feedback of motor frequency using VFD analog output?

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20 May 2024 18:03 - 20 May 2024 18:03 #301020 by greg23_78
I use a vfd to rotate my spindle. my vfd has the option of a 4-20 or 0-10V analog output to provide feedback on the motor frequency.
is it possible to use this output on a 7i77 board as such? or do i need to invest in hardware?
Last edit: 20 May 2024 18:03 by greg23_78.

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20 May 2024 18:46 #301022 by PCW
If you don't need high resolution, the 7I77 has 4 analog inputs available

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23 May 2024 19:49 #301251 by greg23_78
could this be considered for a tapping operation?

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23 May 2024 19:54 #301252 by PCW
If you mean instead of a spindle encoder. no.

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