((new)) — Codesys 2.3.9 Download

These versions are not cross-compatible. Projects created in V2.3 must be imported into V3.5 using a specific conversion tool, which isn't always perfect.

Before downloading and installing Codesys 2.3.9, ensure your system meets the minimum requirements: codesys 2.3.9 download

If your PLC isn't in the list when starting a new project, you haven't installed the vendor-specific target files. These versions are not cross-compatible