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5-3-11 Gain Switched<br />

PI/P control mode selection (Section A)<br />

Automatic gain 1& 2 switch (Section B)<br />

The selection of PI/P control mode switch and Automatic gain 1& 2 switch by parameters or from input<br />

terminals can be used in following conditions.<br />

(1) In speed control, to restrain acceleration/deceleration overshooting.<br />

(2) In position control, to restrain oscillations and decrease the adjusting time.<br />

(3) To decrease the possible noise caused by using Servo Lock function.<br />

(A) Switching between PI/P Control modes<br />

Switch over from PI to P mode is determined by setting of parameter Cn015.0 and according to<br />

the selection options below:<br />

Parameter<br />

Signal<br />

Cn015.0<br />

Name Setting Description<br />

PI/P control<br />

mode<br />

switch<br />

0<br />

1<br />

2<br />

3<br />

4<br />

Switch from PI to P if the torque <strong>com</strong>mand is<br />

greater than Cn016<br />

Switch from PI to P if the speed <strong>com</strong>mand is<br />

greater than Cn017<br />

Switch from PI to P if the acceleration <strong>com</strong>mand is<br />

greater than Cn018<br />

Switch from PI to P if the position error is greater<br />

than Cn019<br />

Switch from PI to P by the input contact PCNT.<br />

Set one of the multi function terminals to option 03.<br />

Control<br />

mode<br />

Pi/Pe/S<br />

Parameter Name Default Unit Setting range<br />

Cn016<br />

Cn017<br />

Cn018<br />

Cn019<br />

PI/P control mode switch by<br />

(torque <strong>com</strong>mand)<br />

PI/P control mode switch by<br />

(speed <strong>com</strong>mand)<br />

PI/P control mode switch by<br />

(acceleration)<br />

PI/P control mode switch by<br />

(position error value)<br />

Control<br />

mode<br />

200 % 0~399 Pi/Pe/S<br />

0 rpm 0~4500 Pi/Pe/S<br />

0 rps/s 0~18750 Pi/Pe/S<br />

0 pulse 0~50000 Pi/Pe/S<br />

5-22

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