BECKHOFF BC3150 - Manual (Page 71)

Safety Instructions
Fieldbus Components 69
TcBaseBX
System Task Info
VAR_GLOBAL
SystemTaskInfo : SYSTEMTASKINFOTYPE;
END_VAR
System flags are implicitly declared variables. Using the Input Assistant, a variable SystemTaskInfoArr can be found
under system variables. This variable is a field with four structures of type SYTEMTASKINFOTYPE. The structure
definition can be found in the system library. The index in this field is the task ID.
Development environment Target system type PLC libraries to be linked
TwinCAT v2.9.0 BCxx50 Controller TcBaseBCxx50.lbx