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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 19.1
edited by Theodore Xu
on 2024/04/09 17:12
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 +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
361 +A4.00=1
362 +A4.01=set pressure
363 +A4.03=Sensor range
364 +A4.04=0
365 +
366 +If the value of F7.11 is less than or equal to 2.064, use PID parameter group F9.
367 +F0.20=1 factory data reset
368 +F0.03=8
369 +F5.23=2
370 +F9.01=Upper limit water pressure
371 +F9.02=1 (AI2)
372 +F9.28=1
373 +F9.29=Set pressure
374 +F9.31=Lower limit water pressure
375 +
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 needs to be greater than or equal to F9.29, it is recommended to set F9.29=F9.01
378 +
356 356  = **PID function** =
357 357  
358 358  (% style="text-align:center" %)