TIA Portal V13 SP1 Update 4 is significantly better than its predecessors, primarily due to major gains in software stability and the resolution of critical communication bugs. Users transitioning from earlier V13 versions often report a much "smoother" and more responsive engineering environment. Key Performance & Stability Improvements Reduced Lag:
Fixes memory leaks that occurred when compiling large safety programs or complex Graph charts. siemens tia portal v13 sp1 update 4 better
: Updates are cumulative. Installing a later update (like Update 9) will include all fixes from Update 4. Known Issues (USER FEEDBACK) TIA Portal V13 SP1 Update 4 - Support TIA Portal V13 SP1 Update 4 is significantly
: You can now use multi-instance tags throughout LAD (Ladder Logic) and FBD (Function Block Diagram) programming. siemens tia portal v13 sp1 update 4 better