Siemens Tia Portal V13 Sp1 Update 4 Better Work [ 2026 Edition ]

Support for multi-instance tags was expanded throughout Ladder Logic (LAD) and Function Block Diagram (FBD) editors.

Working with multiple instances of TIA Portal simultaneously is more stable, allowing for better multitasking across different PLC and HMI modules. Important Considerations for Installation siemens tia portal v13 sp1 update 4 better work

Working with WinCC Comfort panels in V13 SP1 base version often felt sluggish. Changing a button color or resizing a graphic could take seconds to register. Update 4 rewrote parts of the rendering engine for the HMI editor. siemens tia portal v13 sp1 update 4 better work