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read and write V byte by using scripts

Created by: Tarik at: 9/2/2009 6:07 AM (9 Replies)

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9/2/2009 6:07 AM	Rate (0)
Tarik Posts: 71 Rating: (0)	Dear Friends Iam using standard 2008 WinCC flexible to write a scripts for (MP277 10'TOUCH) screen . I want toWrite a code that can Reador Write Variable Flag {( read VB100 andMove it to VB200) for example} . is it possible or not,and if it is possible ,could you givean example ofa code. Regards, Tarik
Tarik Posts: 71 Rating: (0)
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9/2/2009 9:28 AM	Rate (0)
Manfred Gold Member Joined: 5/28/2008 Last visit: 9/1/2025 Posts: 901 Rating: (136)	Hello, i not realy understand why the question is in task wincc flexible? in my opinion you have to do this in your CPU!!! could you please explaine a bit more about your idea? regards manfred

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9/2/2009 9:31 PM	Rate (0)
Tarik Posts: 71 Rating: (0)	Dear Manfred, The problem is that i used all the avelable memory for programing (24K Byte ) thatcan used to program the PLC (CPU 226). so i tried to write some extracode thatcan be executed by using HMI (Scripts). Regards Tarik
Tarik Posts: 71 Rating: (0)
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9/5/2009 6:12 AM	Rate (0)
Tarik Posts: 71 Rating: (0)	HI Is it possible to read or write V byte by using scripts. Please ,i need an answer,and thanks for your help in advance. Regards Tarik
Tarik Posts: 71 Rating: (0)
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9/7/2009 12:06 PM	Rate (0)
Robster Platinum Member Joined: 5/28/2008 Last visit: 11/11/2025 Posts: 1344 Rating: (141)	Hi, I think it's not the problem. First you have to insert two tags in WinCC flex which are connected to your variables in PLC. Give them the propertie "acquisition mode = cylcic continuous" Second: open a new script and copy the value from the first tag in the second tag and write it to PLC. The code have to be something like that: SmartTags("Test_1") = SmartTags("Test_2") I haven't tested it, but I think it should be the way to do this.. best regards

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9/10/2009 5:43 AM	Rate (0)
Tarik Posts: 71 Rating: (0)	Hi thank you for your information,i test it with RUN TIME and it works. i have one more question, Can we use VB scripts toread or write avariable( VW100) by using Indirect Addressing, i will be appreciate your help,and thanks. Best regards Tarik
Tarik Posts: 71 Rating: (0)
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9/10/2009 10:00 AM	Rate (0)
Robster Platinum Member Joined: 5/28/2008 Last visit: 11/11/2025 Posts: 1344 Rating: (141)	You can read VW100 and also VB100 and VB101 or V100.0 - V100.7 and so on. But please give an example what exactly you want to do.

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9/11/2009 1:33 PM	Rate (0)
Tarik Posts: 71 Rating: (0)	Hi Thank you Robster In PLC program we can use Indirect Addressing such as MOVD &VB200,AC1 (Creat the Pointer by moving the Address of VB200 to AC1) MOVW AC1,AC0 (Move the world value pointed by AC1 to AC0) My Question*;can we do this function by using VB Scripts Best Regards Tarik
Tarik Posts: 71 Rating: (0)
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9/14/2009 9:30 AM	Rate (0)
Robster Platinum Member Joined: 5/28/2008 Last visit: 11/11/2025 Posts: 1344 Rating: (141)	Hi, I think it's not possible in this way. You can only include a hard value in script. Like I wrote before it's possible to have access to all bits, bytes, words and so on of one variable. Inside script you can copy and move them like ever you want and write them back into PLC. It's a little bit more writing work, but better then nothing. regards

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9/18/2009 9:19 AM	Rate (0)
Tarik Posts: 71 Rating: (0)	Hi Robster Thank you for your help. Regards Tarik
Tarik Posts: 71 Rating: (0)
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