Siemens SINUMERIK 808D ADVANCED Series

Commissioning Manual
6FC5397-4EP10-0BA8, 07/2018
305
Tag identifier
Meaning
TYPEDEF
Continued Some predefined functions expect variables of structure type RECT, POINT, or SIZE as
the call parameter. These structures are defined in the file struct_def.xml.
RECT:
<typedef name="StructRect" type="struct" >
<element name="left" type="int">0</element>
<element name="top" type="int">0</element>
<element name="right" type="int">0</element>
<element name="bottom" type="int">0</element>
</typedef>
POINT:
<typedef name="StructPoint" type="struct" >
<element name="x" type="int">0</element>
<element name="y" type="int">0</element>
</typedef>
SIZE:
<typedef name="StructSize" type="struct" >
<element name="width" type="int">0</element>
<element name="height" type="int">0</element>
</typedef>
WAITING
The tag waits for the component to undergo a hot restart after an NC or drive reset.
Attributes:
•
WAITINGFORNC
= "TRUE" - the system waits for the NC to restart
Syntax:
<WAITING WAITINGFORNC = "TRUE"/>
Example:
...
<CONTROL_RESET resetnc = "true"/>
<WAITING waitingfornc = "true"/>
...
WHILE
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>