Siemens SINUMERIK 828D Commissioning Manual page 790

Generating user dialogs
1.6 XML identifier
Tag identifier
WHILE
38
Meaning
WHILE loop
WHILE (Test)
Instruction
Syntax:
<WHILE>
<CONDITION>...</CONDITION>
Instructions
...
</WHILE>
The While loop executes a sequence of instructions repeatedly while a condition is met.
This condition is tested before the sequence of instructions is executed.
Example:
<WHILE>
<CONDITION> "plc/ib9" == 0 </CONDITION>
<DATA name = "PLC/qb11"> 15 </DATA>
</WHILE>
Programming Manual, 10/2015, 6FC5397-3DP40-5BA3
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