
TIA Portal V13 SP1 Update 4 a maintenance release focused on stabilizing the engineering environment and expanding functional support for safety and hardware integration
PLC Proxy Support: Expanded capabilities for integrating data from different projects, now supporting redundant and routed controllers.
F-blocks marked as "Unsupported Blocks" are automatically supported after upgrading. Better Usability: Tia Portal V13 Sp1 Update 4
✅ After restart, the update is applied automatically. No separate activation required.
System Stability: Like most cumulative updates, it bundled fixes from Updates 1–3 to improve overall software performance and reduce "crashes" during complex project engineering. The Migration and Compatibility Context TIA Portal V13 SP1 Update 4 a maintenance
, which was designed specifically for Windows 10 compatibility. You can find the cumulative updates on the Siemens Industry Online Support Option 3: Troubleshooting/Community Post
: Fail-safe blocks (F-blocks) previously marked as "Unsupported Blocks" are automatically supported after a project is upgraded to V13 SP1 Update 4. Multi-Instance Tag Flexibility No separate activation required
File name example:
STEP_7_Professional_V13_SP1_Upd4.exe
WinCC_Professional_V13_SP1_Upd4.exe (if needed)
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