Update 10 Feb 2014

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#  "FAQs":
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+ How can you improve the performance in STEP 7 (TIA Portal) and the
   execution time of the S7-1200/S7-1500? (2014-02-04) [37571372]
   For products: 6ES7211-1AD30-0XB0; 6ES7211-1AE31-0XB0; 6ES72
   Remedies for improving performance in STEP 7 (TIA Portal) and the
   execution time of the S7-1200/S7-1500 are described below.
   Influence of the size of the swap file (virtual memory) on
   performance ...
   => READ MORE

 + What system properties and remedies are possible when you install
   STEP 7 (TIA Portal) on a VMWare? (2014-02-03) [78788417]
   For products: 6ES7822-0A.02-..; 6ES7822-1A.02-..
   Description When you install STEP 7 (TIA Portal) on a VMware, in
   some cases you might get unwanted system properties. In this entry
   we deal with the following topics: Project storage on a shared
   drive PROFINET nodes are not recognized ...
   => READ MORE

 + How do you define the "TRUE" constant in the LAD/FDB editor in
   STEP 7 (TIA Portal)? (2014-02-03) [87149213]
   For products: 6ES7211-1AD30-0XB0; 6ES7211-1AE31-0XB0; 6ES72
   Description You can only set the 'TRUE' constant for binary links
   for the S7-300/S7-400 in the STL programming language, but not in
   the LAD/FDB editor. For this you must set a variable to '1'
   (=TRUE) in the LAD and FBD programming languages. Then you can use
   the variable with its given value in any network of the program.
   ...
   => READ MORE