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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 17.1
edited by Mora Zhou
on 2023/11/20 14:49
Change comment: There is no comment for this version
To version 18.1
edited by Theodore Xu
on 2024/04/09 15:18
Change comment: There is no comment for this version

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Author
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1 -XWiki.Mora
1 +XWiki.AiXia
Content
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353 353  
354 354  F7.05
355 355  
356 += **Constant pressure water supply** =
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
362 +A4.00=1
363 +A4.01=set pressure
364 +A4.03=Sensor range
365 +A4.04=0
366 +
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
369 +F0.03=8
370 +F5.23=2
371 +F9.01=Upper limit water pressure
372 +F9.02=1 (AI2)
373 +F9.28=1
374 +F9.29=Set pressure
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 +
356 356  = **PID function** =
357 357  
358 358  (% style="text-align:center" %)