To program and operate your WAGO PLC correctly, the PLC firmware, CODESYS 3.5 version, and WAGO Device Description must all be compatible. The firmware is the system software that enables the PLC to function, CODESYS is the programming tool, and the device description allows CODESYS to recognize and…

Thanks for this overview, very useful. Even more so in combination with other posts detailing the new Sandbox Lite feature. Now at work we currently have different projects where we need to program for both FW27 as well as FW28 controllers. How should I go about to install and configure for this si…

Hi @Anton , Since FW 27 and FW 28 use the same CODESYS version, you can install both FW 27 and FW 28 device descriptions into SP 19 Patch 7 using the CODESYS Installer. After both device descriptions have been installed, in the CODESYS software environment, right-click the device (controller) and …

WAGO PLC Firmware vs. CODESYS 3.5 & Device Description: Version Compatibility Guide

CODESYS

MikePsaltis April 13, 2026, 10:49pm 4

I made myself a cheat sheet with updated information. This is based off the dependency information listed on the Download Center.

WAGO CODESYS Firmware Guide_04132026.pdf (52.5 KB)

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WAGO PLC Firmware vs. CODESYS 3.5 & Device Description: Version Compatibility Guide

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