Parameter Name Automatic
Changes
Pn14A Vibration Suppression 2 Frequency No
Pn14B Vibration Suppression 2 Correction No
Yes: The parameter is automatically set.
No: The parameter is not automatically set, but the setting is read during execution.
9.12 Speed Ripple Compensation
9.12.1 Overview
This section describes speed ripple compensation.
9.12.2 Outline
Speed ripple compensation reduces the amount of ripple in the motor speed due to
torque ripple or cogging torque. You can enable speed ripple compensation to achieve
smoother operation. To enable it, you must set up ripple compensation on the SigmaWin
+.
WARNING!
Speed ripple compensation requires operating the Servomotor and
therefore presents hazards. Observe the following precaution.
Confirm safety around moving parts.
This function involves automatic operation. Make sure that you can per-
form an emergency stop (to turn OFF the power supply) at any time.
Execute speed ripple compensation only after adjusting the gains.
– Reset speed ripple compensation after you replace the Servomotor or
SERVOPACK.
– Execute speed ripple compensation after jogging to a position that
ensures a suitable range of motion.
9.12.3 Setting Up Speed Ripple Compensation
The following restrictions apply to the setup for speed ripple compensation.
n Systems for Which Execution Cannot Be Performed
There are no restrictions.
n Systems for Which Adjustments Cannot Be Made Accurately
Systems for which there is not a suitable range of motion
n Preparations
Check the following items before you set up speed ripple compensation.
– The main circuit power supply must be ON.
– The servo must be OFF.
– There must be no alarms or warnings.
– There must be no hard wire base block (HWBB).
– The parameters must not be write prohibited.
Restrictions
Sigma-7 Series SERVOPACKs
Tuning
Speed Ripple Compensation > Setting Up Speed Ripple Compensation
| | PROFINET Communications - SIEP YEUOC7P 02A Revision 0 | en | 380
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