CODESYS Forge - CODESYS Forge / Talk / Engineering 🇬🇧: Ladder editor bug with 3.5.21.20

Ladder editor bug with 3.5.21.20

Forum: Engineering 🇬🇧

Creator: totorovic

Created: 2026-05-07

Updated: 2026-06-02

totorovic - 2026-05-07

Hello,

With Codesys 3.5.21.10 the ladder editor displays :

With Codesys 3.5.17.21, the same code was correctly displayed :
The compilation is error free

Please check image attached

Last edit: totorovic 2026-05-07

3.5.17.21.png

3.5.21.10.png

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totorovic - 2026-05-20

Can a Codesys member explain this ?

codesysM.png

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eschwellinger - 2026-05-22

which ladder plugin version? CODESYS version is not enough information since modularisation.

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totorovic - 2026-05-28

Ladder version is 1.1.0.0

ladder.png

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eschwellinger - 2026-06-01

Hi,
could you please update to Ladder 1.2.0.0 via CODESYS Installer and check if this is still in?

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totorovic - 2026-06-02

The update via CODESYS Installer fails (admin mode).
Anyway I am switching all my POUs from Ladder to ST because Ladder cannot be used like this.

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