GETCURTASKINDEXEX
The function determines the task index of the task in which it is called. In contrast to the function block GETCURTASKINDEX, a distinction can be made as to whether the function is called in a cyclic real-time context or not.
FUNCTION GETCURTASKINDEXEX : DINT
Inputs
VAR_INPUT
(*keine*)
END_VAR
Return parameter | Description |
|---|---|
-1 | The function is called from the Windows context. |
0 | The function is called from the real-time context, but not from a cyclic PLC task. This is the case, for example, with the automatic call of FB_init methods during initialization. |
1 to n | The function is called from a cyclic PLC task. The return value is the task index. |
Requirements
|
Development environment |
Target system type |
PLC libraries to include (Category group) |
|---|---|---|
|
TwinCAT v3.1.0 |
PC or CX (x86, x64, ARM) |
Tc2_System (System) |