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Begonnen von SweElite, 26. Januar 2009, 10:21:33

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SweElite

Hello guys. Sorry for not speaking German  :(

Im using twincat and using a BC9100, and when adding a additional library i get this error. ERR3784 TIMER_2 The current target does not support the "RETAIN" flag. And also when i add the oscat.lib i see it contains lots of functions, but when i assign there's alot missing ?

How can this be solved ?  Please advice.

Regards//
Christoffer
Sweden

hugo

i am not sure whether your controller supports retain data or not.
i have not seen any controller without retain before, however persisitent could be a problem.

in the case you have a controller with limited iec61131 capability all you can do is to open the library as a project and delet all retain and or persitent labels in the library

then save as internal library again and you have created a library without retain or persistent

SweElite

Thanks alot for your reply.
In the system manager where i set up the hardware i have option of "store retain data" enabled and Beckhoff says it should be OK.

And why is there so few functions when i import the library ? As i mentioned before i can only assign a very few of them.



Zitat von: hugo in 26. Januar 2009, 11:52:13
i am not sure whether your controller supports retain data or not.
i have not seen any controller without retain before, however persisitent could be a problem.

in the case you have a controller with limited iec61131 capability all you can do is to open the library as a project and delet all retain and or persitent labels in the library

then save as internal library again and you have created a library without retain or persistent

hugo

the library contains around 700 components all should be available when you install the library with the library manager under ressources

SweElite

Yes, under resources i see them all, but it seems i can only add a FB and not the FUN. How do i add the FUN to the project ?


Zitat von: hugo in 26. Januar 2009, 12:15:06
the library contains around 700 components all should be available when you install the library with the library manager under ressources

hugo

please read the manual

a := func(....);
this is an example how to call a function in st for other languages it is very similar

SweElite

I have checked the Beckhoff manual, but maby im stupid cause i cant find anything there. Or is the functions only available in ST and not in ladder ?



Zitat von: hugo in 26. Januar 2009, 15:49:01
please read the manual

a := func(....);
this is an example how to call a function in st for other languages it is very similar

crey@cgsa.ch

Hi,

I have the same problem. I get an error when I compile oscat for a BC9100. So I opened oscat and remove RETAIN declaration and so it compile without error.

I found in the Beckhoff documentation that BC9100 has retain data. The retain data are located at %MB0 to %MB63. (http://infosys.beckhoff.com/english.php?content=../content/1033/bc9000/html/bt_bc9000%20marks.htm&id=1905)

I send an email to Beckhoff about this problem and they suggest me tree options :

  • Adapt the library
  • Choose a library version adapted for BC9100
  • Change CPU
Dose somebody has an idea why the compiler is not able to place the RETAIN variable within %MB0 to %MB63 ? I suspect that this is a bug or a commercial limitation within Twincat compiler ?

Zitat von: SweEliteIn the system manager where I set up the hardware I have option of "store retain data" enabled and Beckhoff says it should be OK.
How the PLC Control compiler know that this option has been checked within The System Manager ? SweElite, dose this worked for you ?