In addition to these standard languages, CoDeSys 2.3 offers , a non-standard graphical language that allows free positioning of function blocks, providing greater layout flexibility than standard FBD. Key Features of CoDeSys 2.3.9
A blank CODESYS installation is not very useful by itself. To program a real PLC or a specific HMI, you must install a for that device. A TSP contains everything the IDE needs to generate correct machine code for a particular controller: the .trg target file, configuration files ( .cfg ), libraries ( .lib ), and sometimes gateway drivers.
Check the support page of your specific PLC manufacturer (e.g., WAGO I/O-PRO, Eaton xSoft-CoDeSys). codesys 2.3.9 download
Enables pausing execution at specific code lines to inspect the call stack and variable states.
A prompt will ask you to configure the initial Program Organization Unit (POU). Name it PLC_PRG , select (Program) as the type, and choose ST (Structured Text) or LD (Ladder Diagram) as the language. Click OK . In addition to these standard languages, CoDeSys 2
If you are unable to locate the installer through official channels, the next best step is to contact your PLC supplier’s technical support – they will often provide the exact V2.3.9 version that matches your controller’s runtime.
If you are starting a new project, do not use 2.3.9. Instead, download the latest CODESYS V3.5 (free for programming). However, here is a quick comparison: A TSP contains everything the IDE needs to
This comprehensive guide covers the capabilities of CoDeSys 2.3.9, its industrial applications, installation requirements, and how to safely download and configure the software. Understanding CoDeSys 2.3.9
and select File > Project Archive > Extract / Open .
Before initiating a download, ensure your engineering workstation meets the system specifications: Minimum Requirement Recommended Requirement Windows XP / 7 (32-bit or 64-bit) Windows 7 / 10 / 11 (with Compatibility Mode) Processor 1 GHz Pentium or equivalent Dual-Core 2.0 GHz or higher Memory (RAM) 2 GB or more Storage Space 500 MB free space 2 GB free space (for libraries/targets) Graphics 1024 x 768 resolution 1920 x 1080 resolution Windows 10 and Windows 11 Compatibility Notes