Tuning
9.4 Real-time auto tuning
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
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9.4
Real-time auto tuning
With real-time auto tuning, the servo drive can automatically estimate the ratio of load
moment of inertia and set the optimum control parameters.
Pre-conditions for the real-time auto tuning
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The drive must be controlled by the host controller.
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The machine actual load moment of inertia is different when the machine moves to the
different positions.
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Make sure that the motor has multiple accelerations and decelerations. Step command is
recommended.
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Machine resonance frequency changes when the machine is running.
Real-time auto tuning procedure
Proceed as follows to perform real-time auto tuning for the SINAMICS V90 servo drive.