Convert CAG to FBD

Understanding the CAG and FBD file formats

CAG files are typically associated with Computer Aided Graphics and are used by programs like AutoCAD or Computer Aided Design (CAD) software. These files often contain vector graphics, technical drawings, or schematics.

FBD files refer to Function Block Diagram files, commonly used in industrial automation and PLC (Programmable Logic Controller) programming. FBD files represent logic and control processes visually, following the IEC 61131-3 standard.

How to convert CAG to FBD

Direct conversion from CAG to FBD is not straightforward, as these formats serve different purposes. However, you can follow a workflow to transfer graphical or schematic information from a CAG file into an FBD environment:

1. Open the CAG file in its native CAD software (such as AutoCAD).
2. Export the relevant schematic or diagram as an image or vector format (e.g., File → Export → PNG or File → Export → DXF).
3. Open your PLC programming software that supports FBD (such as Siemens TIA Portal or CODESYS).
4. Use the exported image or vector as a reference to manually recreate the logic in the FBD editor.

There is currently no automated tool that directly converts CAG files to FBD format due to the fundamental differences in their structure and purpose.

Best software for the conversion process

• AutoCAD: For opening and exporting CAG files.
• Siemens TIA Portal or CODESYS: For creating and editing FBD files.
• Inkscape or Adobe Illustrator: For editing exported images or vectors if needed.

To summarize, use your CAD software to export the CAG content, then manually implement the logic in your FBD editor, referencing the exported diagram.