Lenze DDS v2.3 Manual de usuario Pagina 218

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Drive PLC Developer Studio
Resources
8-28
l
DDS EN 2.3
8.7 Task monitor
The task monitor is an object on the tab Resources in the
Object Organizer
.
If the PC is connected online with an automation system, the runtime of the individual tasks can be
diagnosed via the task monitor. In offline mode, the task monitor displays the last online task status.
Open the
Object Organizer
and double-click the object Task m onit or to open the task
monitor:
The tasks are displayed in lines along with the following information:
Column Display
Id Id of the task (0 ... 9) as well as the status of the task:
ü = Task is ready or running
ST = Task is blocked or inhibited
Name Task name
Last runtime Runtime of the last task processing run.
Maximum runtime Maximum runtime during program operation
Load Bar graphs with the currently detected task time of an interval task
Green bars: The current task time is less than 80 % of the interval time.
Red bars: The current task time is greater than 80 % of the interval time.
The column width represents 100 % of the interval time.
The black line indicates the maximum task runtime (peak hold) during program operation.
In off line mode, this time is displayed as a figure in percent of the inter val time.
Status Task status (running, inhibited or interrupted).
Error “Overflow”: The task needs more time than the set watchdog time.
“No error”: The task is processed within the specified watchdog time.
Priority Task priority
Type T ask type (interval, cyclical, event or interrupt).
Interval Interval time of an inter val task.
Event Event of an event or interrupt task
Watchdog time Task watchdog time
Tip!
The displayed task runtimes are not the net times but the real runtimes including all task
interruptions at a 25.6 µs resolution.
Cyclical task/system task
The system task processes any necessary internal system tasks in the background.
The cyclical task does not only contain the task PLC_PRG, but also the task of communicating
with the PC.
System and cyclical tasks apply the time slicing principle to share the low-priority cyclically
processing task.
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