Parker AC30 - Mras

D-108 Parameter Reference
AC30 series Variable Speed Drive
MRAS
Parameters::Motor Control::MRAS
These parameters are associated to the internal induction motor speed estimator (MRAS) module.
Parameter Name
No.
Path
Default
Range
Units
Writable
MRAS Speed Percent
286
Parameters::Motor Control::MRAS
x.xx
Min to Max
%
NEVER
Diagnostic parameter that dispays speed calculated by the estimator as percent.
MRAS Speed RPM
1634
Parameters::Motor Control::MRAS
x.xx
0.000 to 30.000
s
NEVER
Diagnostic parameter that dispays speed calculated by the estimator as RPM.
MRAS Field Frequency
1635
Parameters::Motor Control::MRAS
x.xx
0.000 to 30.000
Hz
NEVER
Diagnostic parameter that dispays field frequency (electrical frequency) that the estimator provides for vector rotation.
MRAS Torque Percent
1560
Parameters::Motor Control::MRAS
x.xx
Min to Max
%
NEVER
Diagnostic parameter that dispays torque calculated by the estimator as percent.
MRAS Torque
1634
Parameters::Motor Control::MRAS
x.xx
0.000 to 30.000
Nm
NEVER
Diagnostic parameter that dispays torque calculated by the estimator as Nm.
Switchover Enable
1635
Parameters::Motor Control::MRAS
ALWAYS
A boolean that enables or disables the ability to automatically switch into sensorless operation in the case of an encoder failure.