One-Button Auto Tuning - Siemens SINAMICS V90 Operating Instructions Manual

Tuning

10.3 One-button auto tuning

● Real-time auto tuning
Real-time auto tuning estimates the machine load moment of inertia automatically while
the drive is running with the host controller command. After the motor is servo on, the
real-time auto tuning function stays effective. If you do not need to estimate the load
moment of inertia continuously, you can disable the function when the system
performance is acceptable.
You are recommended to save the tuned parameters when the tuning is completed and the
drive performance is acceptable.
Tuning with SINAMICS V-ASSISTANT
You are recommended to perform tuning with the engineering tool SINAMICS V-
ASSISTANT. For more information, refer to SINAMICS V-ASSISTANT Online Help.
10.3 One-button auto tuning
Note
Before using the one-button auto tuning, move the servo motor to the middle of mechanical
position to avoid approaching the actual machine position limit.
Pre-conditions for one-button auto tuning
● The ratio of machine load moment of inertia is still unknown and needs to be estimated.
● The motor is allowed to rotate clockwise and counter clockwise.
● The motor rotation position (p29027 defines that one revolution equals to 360 degree) is
allowed by the machine.
– For the motor with an absolute encoder: position limitation is defined by p29027
– For the motor with an incremental encoder: the motor must be allowed to rotate freely
250
about two rounds when tuning starts
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2020, A5E37208830-008