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num parameter manual - Documentation CN

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P30 P31 P32 P20 P21 P56 P22 P23 P57 P55 P24 P52 P19 P33 P53 P66<br />

Servo-Control<br />

Words N64 to N95: Dry friction correction time constant<br />

Each word corresponds to the physical address of an axis. The dry friction correction time constant is expressed in<br />

hundredths of ms. The order of magnitude is 5000 hundredths of ms.<br />

Dry friction elimination<br />

The dry friction correction amplitude Fi and dry friction correction time constant Rf are applied in the equation:<br />

where:<br />

- Cor_Fsi = dry friction correction<br />

- T = sampling period<br />

Cor _Fsi = Fi − Fi − 1 + Cor _Fsi − 1 (1- Te<br />

Tf )<br />

Speed sign<br />

-<br />

Correction<br />

+<br />

Programme Parameter<br />

Programme <strong>parameter</strong>s E982xx are the image in micrometres of machine <strong>parameter</strong> P19 words 32-63. They can be<br />

read and written and retain the last value programmed after a reset.<br />

Programme <strong>parameter</strong>s E983xx are the image in hundredths of a ms of machine <strong>parameter</strong> P19 words 64-95. They<br />

can be read and written and retain the last value programmed after a reset.<br />

en-938818/7 6 - 35<br />

6

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