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Acc59e3 - Filter


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A note concerning the use of the "Optional Software Low-Pass Filter" or "tracking filter” with the Acc59e3.

It seems there is a mistake in the Acc59e3 manual. This manual gives:

EncTable[#].index2 = 512.0*zeta*wn*Ts; // Calculate index2


I had unstable values with this formula.

Using the "Power PMAC Software Reference Manual", i changed the formula to:

EncTable[#].index2 = 256 - 512.0*zeta*wn*Ts; // Calculate index2


Index2 must be >= 32 to activate the filter.

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