Parameter Reference C-169
AC30 series Variable Speed Drive
Resolver Min Filter
1851
Same as PNO 1825
100
10 to 1000
Hz
ALWAYS
Limit applied as the minimum corner frequency of the speed-tracking, single-order filter applied to the raw resolver speed.
Used to prevent the speed-tracking filter from causing control instabilities at low speed.
Resolver Actual Filter
1826
Parameters::Option IO::Resolver
x.
20 to 8000
Hz
NEVER
The actual corner frequency being used for the speed-tracking, single-order filter applied to the raw resolver speed.
The actual filter corner frequency is limited to 8000Hz maximum.
Resolver Speed RPM
1813
Parameters::Option IO::Resolver
x.x
RPM
NEVER
Resolver mechanical speed diagnostic / output.
Resolver Speed %
1814
Same as PNO 1811
x.x
%
NEVER
Resolver mechanical speed diagnostic / output.
Resolver Speed Hz
1821
Parameters::Option IO::Resolver
x.x
Hz
NEVER
Resolver mechanical speed diagnostic / output.
Resolver Speed Ripple
1823
Parameters::Option IO::Resolver
x.xx
0.00 to 1000.00
%
NEVER
The peak-to-peak ripple in resolver speed samples.
Used to assist the trimming process which gain matches the sine to cosine inputs.
Calculated from max. speed – min. speed over last 128 samples on a 1ms sampling interval.
% is scaled by 464 100% Speed in RPM
Resolver Resolution
1816
Same as PNO 1790
0
0:AUTO
1:12 BITS
2:14 BITS
3:16 BITS
STOPPED
The target resolution setting for the speed / position feedback.
See ‘Specifications’ for limitations, prior to changing this parameter.
The ‘AUTO’ setting is used to automatically select the best, allowable resolution, given other parameter settings.
The resolution setting affects the dynamic performance of the feedback. In ‘AUTO’ mode, the actual resolution in use may be different from the
target resolution, depending on other parameter settings
Only change this parameter when motor is stopped / torque is off.
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