Mitsubishi 00JCPU User Manual page 250

6.13.3Scan time measurement
(1) Definition
This function displays the processing time of set program section during ladder monitoring.
The time required for the subroutine and interrupt programs can be measured.
(2) Range specification of scan time measurement
There are following two types for specifying a scan time measurement range.
• Setting on the ladder monitor screen
• Setting on the scan time measurement screen
(3) When the subroutine program call instruction is in the measurement range
When the subroutine program call instruction (CALL) is in the range of scan time measurement, the scan time
includes the time required for processing a subroutine program.
(4) When interrupt programs/fixed scan execution type programs are executed in
the scan time measurement range
The execution time of interrupt programs and fixed scan execution type programs are added.
Note16
Note6.14
Basic
The Basic model QCPU does not support the scan time measurement.
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Note6.14
Main
program
Subroutine
program
Measurement range
Figure 6.53 When subroutine program is in measurement range
Note16
Measurement range