WinCC Flexi 2008

i have a new project to monitor the machine with use wincc..
My problem now How i can set the trend view at wincc to show 24hours trend
another things is how can i make every 24hours it will automatic save in 1 folder is for recording data in a a few months??
Can anybody explain to cause i'm not familiar this HMI software

You need a data log to get the data then display the data log in a trend. Siemens has some "Getting Started with WinCC Flexible" documentation that should show you just how to do this. Do a search on this site and you will find a link.

Okey Thanks you so much CharlesM.know i get the idea how is work wih using data log