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System variables
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TICK_COUNT UDINT Number of system ticks
This variable shows the total number of pulses deliv-
ered by the system clock since the last startup.
TICK_INTERVAL UDINT Time interval of system ticks in ms
TASK_INFOS Information on tasks [1 … 16]. The information is dis-
played in the assigned elements.
[1] … [16]
INTERVAL LINT For cyclic tasks: interval time in μ s
For acyclic tasks: 0
PRIORITY INT Priority of the task
WATCHDOG LINT Watchdog time in μ s (0 = No watchdog)
LAST_EXEC_DURATION LINT Execution duration of tasks in the previous cycle in μ s
(including interruptions by higher-priority tasks)
MIN_EXEC_DURATION LINT Minimum execution duration of tasks in μ s (including
interruptions by higher-priority tasks)
MAX_EXEC_DURATION LINT Maximum execution duration of tasks in μ s (including
interruptions by higher-priority tasks)
LAST_ACTIVATION_DELAY LINT Delay of the task in the previous cycle in μ s
MIN_ACTIVATION_DELAY LINT Minimum delay of tasks in μ s (delay occurs if higher-pri-
ority tasks are pending at the time of task activation)
MAX_ACTIVATION_DELAY LINT Maximum delay of tasks in μ s (delay occurs if higher-
priority tasks are pending at the time of task activation)
EXEC_TIME_THRESHOLD LINT Configured time in μ s.
EXEC_TIME_THRESHOLD_CNT UDINT If the execution time of the task exceeds the time con-
figured via EXEC_TIME_THRESHOLD, the value of
the EXEC_TIME_THRESHOLD_CNT variable is incre-
mented.
NAME STRING Name or designation of task
EXCEPTION_COUNT USINT Number of excpetions …
EXCEPTION_INFOS Information on exceptions [1 … 2]
[1] … [2]
TYPE_ID UDINT
SUB_TYPE Name of exception
SUB_TYPE_ID UDINT
TASK_NAME STRING Name of the ESM task in which the exception was trig-
gered
PROGRAM_NAME Name of the program instance in which the exception
was triggered
INFORMATION
Table 8-14 ESM_DATA system variable for task handling and elements of the ESM_DAT structure
System variable/elements Type Meaning