Tia Portal V13 Sp1 Update 4 Verified [ 2026 Update ]

: The behavior of the S_CONV (string conversion) instruction's enable output (ENO) changed to return a signal state of "1" even if deactivated, ensuring subsequent instructions execute as expected.

Open TIA Portal > Help > About. Confirm it shows V13 SP1 (no update, or Update 1/2/3). Tia Portal V13 Sp1 Update 4

Update 4 focused primarily on refining the user experience and fixing bugs reported in the initial SP1 release: : The behavior of the S_CONV (string conversion)

, you might find that it won't open correctly without the exact same update level. Things to keep in mind: Cumulative Nature: Tia Portal V13 Sp1 Update 4