Siemens SINUMERIK 840DE sl Commissioning Manual page 724

Generating user dialogs
1.1 Scope of functions
6. Variables
– Read (NC, PLC and user variables)
– Write (NC, PLC and user variables)
– Combine with mathematical, comparison or logic operators
7. Execute functions:
– Subprograms
– File functions
– PI services
8. Apply protection levels according to user classes
The valid elements (tags) for the script language are described in the "XML tags" (Page 21)
section.
Note
The following section is not intended as a comprehensive description of XML (Extensible
Markup Language). Please refer to the relevant specialist literature for additional information.
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Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
Easy XML