This section contains information on the following topics:
- Basic principles for programming of data blocks
- Structure of the declaration table for data blocks
- Creating data blocks
- Updating data blocks
- Extending data blocks (S7-1200, S7-1500)
- Creating a data structure for global data blocks
- Defining start values
- Setting retentivity
- Editing the properties of tags in data blocks
- Editing the declaration table for data blocks
- Online and diagnostic functions for data blocks