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VFD Analog outputs to Mesa 7i77 analog inputs
- MachoHombre
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5 years 3 months ago #213846
by MachoHombre
VFD Analog outputs to Mesa 7i77 analog inputs was created by MachoHombre
Hello everybody,
I would like to know how to wire the analog output, from my VFD, to the analog inputs (Pins 0-3, TB8) on the Mesa 7i77 card. I am trying to monitor the VFD's output current.
I have attached a pdf diagram of my VFD. The analog output (AM & AC, 0-10V) can be located on the lower right side of the attached diagram.
Would this be the correct way?
AM to Pin 0 on TB8
AC to Pin 6, 7, or 8 on TB2
The reason I am concerned is because the field power for TB8 is currently wired for 24VDC.
Lastly, can the 7i77 read pulse train (Output MP)? If so, how would I wire it to the 7i77?
Thank you,
Brett
I would like to know how to wire the analog output, from my VFD, to the analog inputs (Pins 0-3, TB8) on the Mesa 7i77 card. I am trying to monitor the VFD's output current.
I have attached a pdf diagram of my VFD. The analog output (AM & AC, 0-10V) can be located on the lower right side of the attached diagram.
Would this be the correct way?
AM to Pin 0 on TB8
AC to Pin 6, 7, or 8 on TB2
The reason I am concerned is because the field power for TB8 is currently wired for 24VDC.
Lastly, can the 7i77 read pulse train (Output MP)? If so, how would I wire it to the 7i77?
Thank you,
Brett
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5 years 3 months ago #213869
by PCW
Replied by PCW on topic VFD Analog outputs to Mesa 7i77 analog inputs
That looks OK
You can read a pulse frequency on a free encoder input
(connect to 'A' input and set encoder to counter mode)
You can read a pulse frequency on a free encoder input
(connect to 'A' input and set encoder to counter mode)
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