Parker AC30 series, User Manual

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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.