Open the global library in the TIA Portal - Manual - AX2TIA - This package contains the documentation for ax2tia - Converting SIMATIC AX libraries to TIA Portal libraries,

1. Click the "Open global library" symbol.
2. Open the library with file extension .al[version number].

1. Open the Main-OB editor.
2. Call the ABS-function from the Main-OB by dragging the block to the OB editor window and provide memory tags for the arguments.
3. Download the code to a PLC or PLCSIM and verify functionality in the watch table.

Notes:

1. The blocks are contained in the Types folder in the global library and are know-how protected.
2. To debug AX blocks, add them to a software unit in your project. Please follow these steps.