Parker AC30V Series, Manual

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D-2
Parameter Reference
AC30V series Variable Speed Drive
Autotune
Advanced Setup::Motor::Autotune
Parameters::Motor Control::Autotune
The autotune is an automatic test sequence performed by the Drive to identify motor model parameters. The motor model is used by the Vector
control modes. You
MUST perform an autotune before operating the Drive in the Vector control mode. Whether the drive is in Vector Control
mode or in Open Loop mode is determined by the parameter 015 Control Strategy in menu Control Mode (see page D-10).
PNO Parameter Descriptions
0255
Autotune Enable
Puts the autotune module into a state where it will carry out the autotune when the drive is started.
0256
Autotune Mode
Selects whether the autotune is carried out on a rotating motor, or whether it just calculates from nameplate data (not the preferred
method). It may be necessary to carry out a stationary autotune if the motor is not free to rotate, for example if it is already connected
to a machine. Leakage inductance (to tune the current loop) and stator resistance may be measured when the motor is stationary,
but other parameters can only be inferred from nameplate data. Use the rotating autotune where possible.
Enumerated Value : Mode
0 : STATIONARY
1 : ROTATING
0257
Autotune Test Disable
Allows selected tests to be disabled (default all tests are carried out).
Each test can be individually disabled by setting to TRUE.
Bitfield Value : Test
0 : STATOR RES
1 : LEAKAGE IND
3 : MAG CURRENT
4 : ROTOR TIME CONST
Functional Description
IMPORTANT You MUST carry out an Autotune if you intend to use the drive in vector control mode. If you are using it in
Volts/Hz control an Autotune is not necessary.
Autotune can only be initiated from the “stopped” condition. When the test is complete, the stack is disabled and Autotune Enable is set to
FALSE.
Note
Refer to the Chapter 9: Setup Wizard for details on how to perform an Autotune.