Scan Time Measurement - Mitsubishi Electric Q01UCPU User Manual

3.13.3

Scan time measurement

This function displays the processing time of set program section during ladder monitoring. The time required for the
subroutine and interrupt programs can be
(1) 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
(2) 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.
(3) 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.
(4) Execution
For how to execute the scan time measurement, refer to the following.
Operating manual for the programming tool used
Note 3.8
Universal
Before executing the function with the Q02UCPU, Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q13UDHCPU, or
Q26UDHCPU, check the versions of the CPU module and programming tool used. (
Note 3.8
measured.Note 3.8
Measurement range
Main
program
Subroutine
program
Measurement range
CHAPTER 3 FUNCTIONS
Page 462, Appendix 2)
179
3