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Changes for page 07 Adjustments

Last modified by Iris on 2025/07/24 11:03
From version 11.1
edited by Joey
on 2022/06/11 15:27
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To version 14.2
edited by Joey
on 2022/06/18 21:53
Change comment: Update document after refactoring.

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1 -Servo.2\. User Manual.06 VD2 SA Series Servo Drives Manual (Full V1\.1).WebHome
1 +Servo.1 User Manual1.06 VD2 SA Series Servo Drives Manual (Full V1\.1).WebHome
Content
... ... @@ -13,11 +13,11 @@
13 13  
14 14  (% class="table-bordered" %)
15 15  |(% colspan="3" style="text-align:center; vertical-align:middle" %)**Gain adjustment process**|(% style="text-align:center; vertical-align:middle" %)**Function**|(% style="text-align:center; vertical-align:middle" %)**Detailed chapter**
16 -|(% style="text-align:center; vertical-align:middle" %)1|(% colspan="2" style="text-align:center; vertical-align:middle" %)Online inertia recognition|(% style="text-align:center; vertical-align:middle" %)Use the host computer debugging platform software matched with the drive to automatically identify the load inertia ratio. With its own inertia identification function, the drive automatically calculates the load inertia ratio.|(% style="text-align:center; vertical-align:middle" %)__[[7.2>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HInertiarecognition]]__
17 -|(% style="text-align:center; vertical-align:middle" %)2|(% colspan="2" style="text-align:center; vertical-align:middle" %)Automatic gain adjustment|On the premise of setting the inertia ratio correctly, the drive automatically adjusts a set of matching gain parameters.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.1>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HAutomaticgainadjustment]]__
18 -|(% rowspan="2" style="text-align:center; vertical-align:middle" %)3|(% rowspan="2" style="text-align:center; vertical-align:middle" %)Manual gain adjustment|(% style="text-align:center; vertical-align:middle" %)Basic gain|On the basis of automatic gain adjustment, if the expected effect is not achieved, manually fine-tune the gain to optimize the effect.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.2>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HManualgainadjustment]]__
19 -|(% style="text-align:center; vertical-align:middle" %)Feedforward gain|The feedforward function is enabled to improve the followability.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.3>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__
20 -|(% style="text-align:center; vertical-align:middle" %)4|(% style="text-align:center; vertical-align:middle" %)Vibration suppression|(% style="text-align:center; vertical-align:middle" %)Mechanical resonance|The notch filter function is enabled to suppress mechanical resonance.|(% style="text-align:center; vertical-align:middle" %)__[[7.4.1>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HMechanicalresonancesuppressionmethods]]__
16 +|(% style="text-align:center; vertical-align:middle" %)1|(% colspan="2" style="text-align:center; vertical-align:middle" %)Online inertia recognition|(% style="text-align:center; vertical-align:middle" %)Use the host computer debugging platform software matched with the drive to automatically identify the load inertia ratio. With its own inertia identification function, the drive automatically calculates the load inertia ratio.|(% style="text-align:center; vertical-align:middle" %)__[[7.2>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HInertiarecognition]]__
17 +|(% style="text-align:center; vertical-align:middle" %)2|(% colspan="2" style="text-align:center; vertical-align:middle" %)Automatic gain adjustment|On the premise of setting the inertia ratio correctly, the drive automatically adjusts a set of matching gain parameters.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.1>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HAutomaticgainadjustment]]__
18 +|(% rowspan="2" style="text-align:center; vertical-align:middle" %)3|(% rowspan="2" style="text-align:center; vertical-align:middle" %)Manual gain adjustment|(% style="text-align:center; vertical-align:middle" %)Basic gain|On the basis of automatic gain adjustment, if the expected effect is not achieved, manually fine-tune the gain to optimize the effect.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.2>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HManualgainadjustment]]__
19 +|(% style="text-align:center; vertical-align:middle" %)Feedforward gain|The feedforward function is enabled to improve the followability.|(% style="text-align:center; vertical-align:middle" %)__[[7.3.3>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__
20 +|(% style="text-align:center; vertical-align:middle" %)4|(% style="text-align:center; vertical-align:middle" %)Vibration suppression|(% style="text-align:center; vertical-align:middle" %)Mechanical resonance|The notch filter function is enabled to suppress mechanical resonance.|(% style="text-align:center; vertical-align:middle" %)__[[7.4.1>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HMechanicalresonancesuppressionmethods]]__
21 21  
22 22  Table 7-1 Description of gain adjustment process
23 23  
... ... @@ -25,13 +25,14 @@
25 25  
26 26  Load inertia ratio P03-01 refers to:
27 27  
28 -[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_eea1e5e734146443.gif?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_eea1e5e734146443.gif"]]
28 +(% style="text-align:center" %)
29 +[[image:image-20220611152902-1.png]]
29 29  
30 30  The load inertia ratio is an important parameter of the servo system, and setting of the load inertia ratio correctly helps to quickly complete the debugging. The load inertia ratio could be set manually, and online load inertia recognition could be performed through the host computer debugging software.
31 31  
32 32  |(((
33 33  (% style="text-align:center" %)
34 -[[image:http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_6db94f5d0421f97a.png?rev=1.1||alt="Wecon VD2 SA Series Servo Drives Manual (Full V1.1)_html_6db94f5d0421f97a.png"]]
35 +[[image:image-20220611152918-2.png]]
35 35  )))
36 36  |(((
37 37  **Before performing online load inertia recognition, the following conditions should be met:**
... ... @@ -163,12 +163,12 @@
163 163  **Setting method**
164 164  )))|(% style="text-align:center; vertical-align:middle; width:168px" %)(((
165 165  **Effective time**
166 -)))|(% style="text-align:center; vertical-align:middle; width:110px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:65px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:453px" %)**Definition**|(% style="text-align:center; vertical-align:middle" %)**Unit**
167 +)))|(% style="text-align:center; vertical-align:middle; width:134px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:85px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:430px" %)**Definition**|(% style="text-align:center; vertical-align:middle" %)**Unit**
167 167  |(% style="text-align:center; vertical-align:middle; width:121px" %)P03-03|(% style="text-align:center; vertical-align:middle; width:73px" %)Self-adjusting mode selection|(% style="text-align:center; vertical-align:middle; width:161px" %)(((
168 168  Operation setting
169 169  )))|(% style="text-align:center; vertical-align:middle; width:168px" %)(((
170 170  Effective immediately
171 -)))|(% style="text-align:center; vertical-align:middle; width:110px" %)0|(% style="text-align:center; vertical-align:middle; width:65px" %)0 to 2|(% style="width:453px" %)(((
172 +)))|(% style="text-align:center; vertical-align:middle; width:134px" %)0|(% style="text-align:center; vertical-align:middle; width:85px" %)0 to 2|(% style="width:430px" %)(((
172 172  0: Rigidity grade self-adjusting mode. Position loop gain, speed loop gain, speed loop integral time constant, torque filter parameter settings are automatically adjusted according to the rigidity grade setting.
173 173  
174 174  1: Manual setting; you need to manually set the position loop gain, speed loop gain, speed loop integral time constant, torque filter parameter setting
... ... @@ -308,7 +308,7 @@
308 308  
309 309  Speed feedforward could be used in position control mode and full closed-loop function. It could improve the response to the speed instruction and reduce the position deviation with fixed speed.
310 310  
311 -Speed feedforward parameters are shown in __[[Table 7-9>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__. Torque feedforward parameters are shown in __[[Table 7-10>>http://13.229.109.52:8080/wiki/servo/view/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__.
312 +Speed feedforward parameters are shown in __[[Table 7-9>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__. Torque feedforward parameters are shown in __[[Table 7-10>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/#HFeedforwardgain]]__.
312 312  
313 313  Torque feedforward could improve the response to the torque instruction and reduce the position deviation with fixed acceleration and deceleration.
314 314  
... ... @@ -345,7 +345,7 @@
345 345  
346 346  **(2) Notch filter**
347 347  
348 -The notch filter can achieve the expectation of suppressing mechanical resonance by reducing the gain at a specific frequency. When setting the notch filter correctly, the vibration can be effectively suppressed. You can try to increase the servo gain. The principle of the notch filter is shown in __[[Figure 7-3>>http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_c84670518f0b6362.gif?rev=1.1]]__.
349 +The notch filter can achieve the expectation of suppressing mechanical resonance by reducing the gain at a specific frequency. When setting the notch filter correctly, the vibration can be effectively suppressed. You can try to increase the servo gain. The principle of the notch filter is shown in __[[Figure 7-3>>https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/image-20220608174259-3.png?rev=1.1]]__.
349 349  
350 350  == **Notch filter** ==
351 351  
... ... @@ -364,7 +364,7 @@
364 364  
365 365  The depth grade of notch filter represents the ratio relationship between input and output at center frequency.
366 366  
367 -When the notch filter depth grade is 0, the input is completely suppressed at center frequency. When the notch filter depth grade is 100, the input is completely passable at center frequency. Therefore, the smaller the the notch filter depth grade is set, the deeper the the notch filter depth, and the stronger the suppression of mechanical resonance. But the system may be unstable, you should pay attention to it when using it. The specific relationship is shown in __[[Figure 7-4>>http://docs.we-con.com.cn/wiki/servo/download/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/WebHome/Wecon%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29_html_10a8f8c1383fdf94.png?rev=1.1]]__.
368 +When the notch filter depth grade is 0, the input is completely suppressed at center frequency. When the notch filter depth grade is 100, the input is completely passable at center frequency. Therefore, the smaller the the notch filter depth grade is set, the deeper the the notch filter depth, and the stronger the suppression of mechanical resonance. But the system may be unstable, you should pay attention to it when using it. The specific relationship is shown in __[[Figure 7-4>>https://docs.we-con.com.cn/bin/download/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/07%20Adjustments/WebHome/44.png?rev=1.1]]__.
368 368  
369 369  (% style="text-align:center" %)
370 370  [[image:image-20220608174259-3.png]]
... ... @@ -381,26 +381,26 @@
381 381  **Setting method**
382 382  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
383 383  **Effective time**
384 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:97px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:334px" %)**Definition**|(% style="text-align:center; vertical-align:middle" %)**Unit**
385 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)**Default value**|(% style="text-align:center; vertical-align:middle; width:102px" %)**Range**|(% style="text-align:center; vertical-align:middle; width:391px" %)**Definition**|(% style="text-align:center; vertical-align:middle; width:248px" %)**Unit**
385 385  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-05|(% style="text-align:center; vertical-align:middle; width:197px" %)1st notch filter frequency|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
386 386  Operation setting
387 387  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
388 388  Effective immediately
389 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)300|(% style="text-align:center; vertical-align:middle; width:97px" %)250 to 5000|(% style="width:334px" %)Set the center frequency of the 1st notch filter. When the set value is 5000, the function of notch filter is invalid.|(% style="text-align:center; vertical-align:middle" %)Hz
390 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)300|(% style="text-align:center; vertical-align:middle; width:102px" %)250 to 5000|(% style="width:391px" %)Set the center frequency of the 1st notch filter. When the set value is 5000, the function of notch filter is invalid.|(% style="text-align:center; vertical-align:middle; width:248px" %)Hz
390 390  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-06|(% style="text-align:center; vertical-align:middle; width:197px" %)1st notch filter depth|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
391 391  Operation setting
392 392  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
393 393  Effective immediately
394 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)100|(% style="text-align:center; vertical-align:middle; width:97px" %)0 to 100|(% style="width:334px" %)(((
395 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)100|(% style="text-align:center; vertical-align:middle; width:102px" %)0 to 100|(% style="width:391px" %)(((
395 395  0: all truncated
396 396  
397 397  100: all passed
398 -)))|(% style="text-align:center; vertical-align:middle" %)-
399 +)))|(% style="text-align:center; vertical-align:middle; width:248px" %)-
399 399  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-07|(% style="text-align:center; vertical-align:middle; width:197px" %)1st notch filter width|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
400 400  Operation setting
401 401  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
402 402  Effective immediately
403 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)4|(% style="text-align:center; vertical-align:middle; width:97px" %)0 to 12|(% style="width:334px" %)(((
404 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)4|(% style="text-align:center; vertical-align:middle; width:102px" %)0 to 12|(% style="width:391px" %)(((
404 404  0: 0.5 times the bandwidth
405 405  
406 406  4: 1 times the bandwidth
... ... @@ -408,26 +408,26 @@
408 408  8: 2 times the bandwidth
409 409  
410 410  12: 4 times the bandwidth
411 -)))|(% style="text-align:center; vertical-align:middle" %)-
412 +)))|(% style="text-align:center; vertical-align:middle; width:248px" %)-
412 412  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-08|(% style="text-align:center; vertical-align:middle; width:197px" %)2nd notch filter frequency|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
413 413  Operation setting
414 414  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
415 415  Effective immediately
416 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)500|(% style="text-align:center; vertical-align:middle; width:97px" %)250 to 5000|(% style="width:334px" %)Set the center frequency of the 2nd notch filter. When the set value is 5000, the function of the notch filter is invalid.|(% style="text-align:center; vertical-align:middle" %)Hz
417 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)500|(% style="text-align:center; vertical-align:middle; width:102px" %)250 to 5000|(% style="width:391px" %)Set the center frequency of the 2nd notch filter. When the set value is 5000, the function of the notch filter is invalid.|(% style="text-align:center; vertical-align:middle; width:248px" %)Hz
417 417  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-09|(% style="text-align:center; vertical-align:middle; width:197px" %)2nd notch filter depth|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
418 418  Operation setting
419 419  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
420 420  Effective immediately
421 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)100|(% style="text-align:center; vertical-align:middle; width:97px" %)0 to 100|(% style="width:334px" %)(((
422 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)100|(% style="text-align:center; vertical-align:middle; width:102px" %)0 to 100|(% style="width:391px" %)(((
422 422  0: all truncated
423 423  
424 424  100: all passed
425 -)))|(% style="text-align:center; vertical-align:middle" %)-
426 +)))|(% style="text-align:center; vertical-align:middle; width:248px" %)-
426 426  |(% style="text-align:center; vertical-align:middle; width:113px" %)P04-10|(% style="text-align:center; vertical-align:middle; width:197px" %)2nd notch filter width|(% style="text-align:center; vertical-align:middle; width:143px" %)(((
427 427  Operation setting
428 428  )))|(% style="text-align:center; vertical-align:middle; width:164px" %)(((
429 429  Effective immediately
430 -)))|(% style="text-align:center; vertical-align:middle; width:107px" %)4|(% style="text-align:center; vertical-align:middle; width:97px" %)0 to 12|(% style="width:334px" %)(((
431 +)))|(% style="text-align:center; vertical-align:middle; width:127px" %)4|(% style="text-align:center; vertical-align:middle; width:102px" %)0 to 12|(% style="width:391px" %)(((
431 431  0: 0.5 times the bandwidth
432 432  
433 433  4: 1 times the bandwidth
... ... @@ -435,6 +435,6 @@
435 435  8: 2 times the bandwidth
436 436  
437 437  12: 4 times the bandwidth
438 -)))|(% style="text-align:center; vertical-align:middle" %)-
439 +)))|(% style="text-align:center; vertical-align:middle; width:248px" %)-
439 439  
440 440  Table 7-11 Notch filter function code parameters
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