Hi, i am trying store some variables by demand. How i do the demand if I want to store the variables when i change a mark of the plc?

Thanks

(lack of information)
* Where is the CSV stored?
* Which devices / software?
* Do you have access to PLC?
* ..

Hello druiz2

you can use the DataLogs function in WinCC flexible.

Create a Datalog (you can use CSV) and set the Aquisition mode of the Loggin Properties at the Tag you want to store to "on Demand"

So you can use a Trigger Tag or something else to run the Systemfunction "LogTag".

Bye Murof