When working with a new script, I select "Multi-protocol" rather than "Single protocol because the UI is better.
The best thing for this is the sales catalog (ST 70 – 2005). Once you install the Step 7 software there will be a directory under the SIMATIC folder called Documentation that includes the most important manuals.
Hard copies can be ordered with number 6ES7810-4CA08-8BW1. There’s gold in that website if you just do a little digging!
If you’re having a tough go with the manuals then you should definitely download the training material.
There’s a lot more screen shots and even a picture of a balding pudgy guy to point things out to you. If you’re not the manual type (and even if you are) check out the Siemens Step 7 Flash tutorials.
Listed below are cases which will allow applications to run by adding the application url to the exception site list: Only add a site to the exception site list if you trust the entire site.