In Wecsys software, we have the library of Highspeed IO.
But in Codesys software , it needs to be imported from outside.
You can use this link to download the device library and import it to software.
① Download the library into your PC.
②Open the Codesys software - [Tools] - [Library Repository]
③Click [Install] - Choose the file - [OK]
④Right click [Devide] - [Add Device]
⑤Add the [HighSpeedIO] in the program tree
About how to use the High speed IO,kindly check this Youtube video.