Parker AC30 series, Manual

Page: 301 / 462

Parameter Reference
C-119
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
1701
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. Not on
the AC30V