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7I84 Max Input Frequency
7I84 Max Input Frequency
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24 Sep 2023 02:57 #281531
by nwallace
I have a situation where I need to be able to read a 24v sensor up to about 1000hz. Does anyone know if the inputs on a 7I84 are capable of reading that?
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24 Sep 2023 17:37 #281551
by tommylight
10KHz would require a 100000ns servo period, i have gone to 250000 and that worked perfectly through Ethernet and PCI-E.
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24 Sep 2023 20:38 #281564
by rodw
I nearly said earlier that you might be better off using an encoder input which is what is done when using a THCAD.
You can scale the resulting velocity in hal
That way its not dependent on the servo thread.
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24 Sep 2023 23:55 #281567
by tommylight
I nearly said earlier that you might be better off using an encoder input which is what is done when using a THCAD.
I thing PCW mentioned that can do 10MHz, i have tested a bit over 1MHz, did not have anything faster.
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7I84 Max Input Frequency
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