Siemens SINUMERIK 828D Operating Manual page 457

Note
Access protection
You have the option of protecting blocks that have been newly created against being
accessed.
Procedure
...
HMI sl Milling
Operating Manual, 06/2009, 6FC5398-7CP20-0BA0
1. The ladder diagram display (LAD) is opened.
2. Press the "Program block" softkey to open the list of program blocks.
3. Press the "Add" softkey.
The "Properties" window appears.
4. Enter the name of the author, number of the INT block and, if required,
a comment.
The data class of the block is specified.
5. Press the "OK" softkey to transfer the block to the list.
Ladder add-on tool
19.10 Creating a new block
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