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6.13 Execution Time Measurement
6.13.1 Program list monitor
6
FUNCTIONS
6.13 Execution Time Measurement
(1) Definition
This is a function to display the processing time of the program being executed.
(2) Applications and types of execution time measurement
This is used to find out the effect of each program's processing time on the total scan
time.
There are three functions to the execution time measurement.
• Program monitor list : ( Section 6.13.1)
• Interrupt program monitor list : ( Section 6.13.2)
• Scan time measurement : ( Section 6.13.3)
6.13.1 Program list monitor
(1) Definition of Program Monitor List
This is a function to display the processing time of the program being executed.
The scan time, number of times executed, and processing time by item can be
displayed for each program.
(2) Using the Program Monitor List
Choose [Online] [Monitor] [Program monitor list]. "Program Monitor List" dialog
box appears on screen.
Figure 6.61 shows an example of executing program monitor list.
Figure 6.61 Program list monitor
(a)
(c)
(b)
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