Creating a PLC project and integrating PLC libraries

Here you can unpack the complete PLC sources: TutorialSample.zip

- Start TwinCAT PLC Control.

- Create a new PLC project via File -> New. Select PC or CX (x86 or ARM) as the target system.

- A new MAIN program block will now be created automatically. Select ST (Structured Text) as the language for the block. Confirm.

- From the menu select Window -> Library Management and then Insert -> Further Library...

- Select TcIEC870_5_104Slave.Lib from the list of TwinCAT libraries and confirm.