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Changes for page 4 Common function of VB

Last modified by Theodore Xu on 2025/02/27 09:58
From version 18.1
edited by Theodore Xu
on 2024/04/09 15:18
Change comment: There is no comment for this version
To version 32.1
edited by Theodore Xu
on 2024/04/23 10:49
Change comment: There is no comment for this version

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... ... @@ -355,26 +355,27 @@
355 355  
356 356  = **Constant pressure water supply** =
357 357  
358 -
359 -The following example uses a current transducer to simulate a water pressure test, the transducer specification is 4-20mA current signal, the range is 16 bar. use the transducer to connect to the AI2 terminal port of the VB.
360 -Please check the software version of F7.11 inverter first, if the software version is greater than 2.064, please use A4 parameter group, A4 parameter group is special parameter for constant pressure water supply project.
361 -F0.20=1 factory data reset
358 +The following example uses a current sensor to simulate a water pressure test, the sensor specification is 4-20mA current signal, the range is 16 bar. use the sensor to connect to the AI2 terminal port of the VB.
359 +Firstly please check the software version of **F7.11**, **F7.11 **is software version, if the **F7.11 **is greater than 2.064, please use A4 parameter group, A4 parameter group is special parameter for constant pressure water supply project.
360 +F0.20=1 Factory data reset
362 362  A4.00=1
363 -A4.01=set pressure
362 +A4.01=Set pressure
364 364  A4.03=Sensor range
365 365  A4.04=0
366 366  
367 367  If the value of F7.11 is less than or equal to 2.064, use PID parameter group F9.
368 -F0.20=1 factory data reset
367 +F0.20=1 Factory data reset
369 369  F0.03=8
370 370  F5.23=2
371 371  F9.01=Upper limit water pressure
372 372  F9.02=1 (AI2)
373 373  F9.28=1
374 -F9.29=Set pressure
373 +F9.29=Target value
375 375  F9.31=Lower limit water pressure
376 -In the parameter setting of group F9, 20mA is the maximum value of the transducer with a range of 16bar, and F9.01/F9.29/F9.31 are the setting parameters for the water pressure in the VB in percentage. For example when the inverter is required to keep the pressure at 8bar, modify F9.29=50%. F9.01 is the upper limit of water pressure setting, it needs to be greater than or equal to F9.29, it is recommended to set F9.29=F9.01
377 377  
376 +
377 +In the parameter setting of group F9, 20mA is the maximum value of the transducer with a range of 16bar, and F9.01/F9.29/F9.31 are the setting parameters for the water pressure in the VB in percentage. For example when the inverter is required to keep the pressure at 8bar, modify F9.29=50%. F9.01 is the upper limit of water pressure setting, it is recommended to set F9.29=F9.01,of course you can set F9.01=80%,it needs to be greater than or equal to F9.29. If when the control effect of the inverter is slow or the descent time is too long, try reducing the integration time: F9.06 = 0.5 or 1.0.
378 +
378 378  = **PID function** =
379 379  
380 380  (% style="text-align:center" %)
... ... @@ -416,10 +416,6 @@
416 416  
417 417  Control operation command address: 2000H (premise F0.01=2)
418 418  
419 -= **Safety and precautions** =
420 -
421 -~1. Familiar with product standard technical specifications. Please refer to the manual
422 -
423 423  = **Grounding** =
424 424  
425 425  ~1. Understand the meaning and function of the ground wire and connect it correctly.
... ... @@ -445,20 +445,83 @@
445 445  
446 446  Braking resistor
447 447  
448 -= **Power and current value** =
445 += **EMC** =
449 449  
450 - ~1. Familiar with the rated current of the inverter in different power ranges, please refer to the manual
447 + The input terminal of the inverter has EMC screw access option. This screw can be removed when the input power supply encounters electromagnetic interference, and in most cases does not need to be removed.
451 451  
452 -= **Braking resistor** =
449 +(% style="text-align:center" %)
450 +[[image:企业微信截图_16890580824807.png||height="394" width="284"]]
453 453  
454 - ~1. Familiar with the selection of braking resistor. Under what conditions do you need to install a braking resistor? How to install the braking resistor?
452 +
455 455  
456 -Braking resistors are installed on the and PB ends of the inverter (built-in braking unit)
454 += Torque mode control on winding project =
457 457  
458 -= **Fault code and troubleshooting** =
456 +Torque mode can only be vector control, torque control refers to the strength, that in the torque mode F0.03 is the default value, modify F0.03 for other values is invalid.
459 459  
460 - ~1. Familiar with various fault codes and countermeasures to deal with faults.
458 +Debugging ideas:
461 461  
462 -= **Installation guidance required by EMC** =
460 +~1. According to the application requirements of the torque command and the upper limit of the frequency.
463 463  
464 - The input terminal of the inverter has EMC screw access option.
462 +2. Set the frequency acceleration/deceleration time F0.18/F0.19 and the torque acceleration/deceleration time F3.14/F3.15, the torque acceleration/deceleration time is less than or equal to the frequency acceleration/deceleration time.
463 +
464 +3. Start the motor and observe whether the motor can run or not, if it can't run normally, rotate the motor with external force, if it can be started, it is judged to be necessary to increase the static friction coefficient compensation.
465 +
466 +4. After the motor is running, observe the motor running state, if the motor is blocked, check whether it is shaking when it is blocked, if it is shaking, increase F3.07, generally 0.01 amplitude increment.
467 +
468 +5. When the torque command F3.10 is lower than the percentage of "no-load current / rated current", the running frequency is about: rated frequency * torque command percentage * rated current / no-load current.
469 +
470 +6. Static Friction Compensation Logic: During startup, the torque command 1 = F3.11* F3.24 /100 is passed to the performance; after a maintenance time of F3.25 seconds, it reverts to torque command 2 = F3.11; the switching of torque commands 1 /2 occurs through the torque acceleration and deceleration times F3.14 / F3.15;
471 +
472 +7. Auxiliary debugging parameters: filter coefficient F3.07 and static friction compensation F3.24/ F3.25.
473 +
474 +F0.00=0 Vector control
475 +
476 +F0.18=2.0 Acceleration time
477 +
478 +F0.19=2.0 Deceleration time
479 +
480 +F2.01=Motor rated power
481 +
482 +F2.02=Motor rated voltage
483 +
484 +F2.03=Rated motor current
485 +
486 +F2.04=Rated motor frequency
487 +
488 +F2.05=Rated motor speed
489 +
490 +F2.11=1 Static tuning
491 +
492 +F3.01=0.2 Speed loop integration time
493 +
494 +F3.07=0.005 Speed loop filter coefficient
495 +
496 +F3.09=1 Torque control
497 +
498 +F3.10=1 Torque control upper limit source
499 +
500 +F3.11=200 Torque upper limit setting
501 +
502 +F3.12=50 Torque control maximum frequency
503 +
504 +F3.14=1.2 Torque control acceleration time
505 +
506 +F3.15=1.2 Torque control deceleration time
507 +
508 +F3.16=120 Torque stiffness factor
509 +
510 +Torque control commissioning instructions:
511 +
512 +F0.18: Frequency acceleration time
513 +
514 +F0.19: Frequency deceleration time
515 +
516 +F3.14: Torque acceleration time
517 +
518 +F3.15: Torque deceleration time
519 +
520 +F3.07: Frequency low-pass filtering factor
521 +
522 +F3.24: Static friction compensation
523 +
524 +F3.25: Static friction compensation time
企业微信截图_16890580824807.png
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