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Resolver ALT inputs & AdcEnc registers
#1
In the ACC24E3 user manual, page 100 suggests that ALTCOS & SIN can be read via Gate3[i].Chan[j].AdcEnc[2] & [3], with no automatic calculations performed, however page 52 & 53 suggest that the closest (of 8 options) we can get is to have raw A/D data for SIN/COS by leaving Gate3[i].AdcEncStrobe as default or "&" to clear.

Given that we want to have ALT COS & SIN signals in Gate3[i].Chan[j].AdcEnc[2] & [3] registers, which section in the manual is correct?

Thanks for any feedback


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#2
Both sections of the manual are correct FOR THE PARTICULAR HARDWARE INTERFACE THEY DESCRIBE.

If you have the resolver interface board installed on the ACC-24E3, the ALTSIN and ALTCOS input values will be found in AdcEnc[2] and [3].

If you have the auto-correcting interpolator board for sinusoidal encoders installed on the ACC-24E3, you can get the raw SIN and COS values (unfiltered and uncorrected) in AdcEnc[2] and [3].
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