Siemens SINAMICS S120 Function Manual page 121

Drive functions

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Activating autotuning

You can configure the activation and deactivation of the autotuning function via parameter

The following settings are possible:

Changing parameter p5300 changes parameters p5280 and p1400. Therefore after

deactivating the autotuning function check the accuracy of the configuration of parameters

p5280 and p1400 and amend these if required.

Configuring the online tuning

1. Activate the online tuning via p5300 = 2.

2. Configure the sequence control via parameter p5302.

3. Configure the controllers via parameter p5271.

The parameters must be saved in the non-volatile memory for permanent storage of the

values determined for the speed controller and position controller (RAM to ROM or p0977 =

1). In this way, the start values for the online tuning are retained, e.g. after POWER ON.

Function and supplementary conditions for the inertia estimator

Note the information in Section Inertia estimator (Page 583).

Drive functions

Function Manual, 11/2017, 6SL3097-4AB00-0BP5

The "Autotuning" function is set inactive. The setting is automatically corrected to

p5300 = 0. The default settings for the speed controller and position controller are also

The "Autotuning" function is set inactive. The current setting of all controller parame-

ters are retained as volatile values. The parameters must be saved in the non-volatile

memory for permanent storage of the values determined for the speed controller and

position controller (p0977 = 1).

The "One button tuning" function is active. A new calculation of the controller parame-

ters is performed once. p5300 = 0 is then set.

The "Online tuning" function is active. A new calculation of the controller parameters is

performed cyclically if the estimated moment of inertia changes.

Servo control

4.8 Autotuning

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