Mitsubishi Q00JCPU User Manual page 401

6
FUNCTIONS
Remark
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(6) Precautions
(a) Measurement range setting
(b) Scan time measurement across program files
(c) Measurement time minimum unit
(d) Step specification between the FOR and NEXT instructions
When the Scan time measurement screen is displayed after specifying the target
rage in monitor mode, the start step and end step of the specified range are set in
the Start step and End step fields.
To specify the range in monitor mode, use the "Shift" key and click of a mouse.
Y20
Y21
Y22
Figure 6.67 Measurement range designation
Set the measurement range ("Measurement limit") so that the following condition
is satisfied.(Start step) < (End step)
Scan time cannot be measured across program files.
1) High Performance model QCPU, Process CPU, and Redundant CPU
The measurement time minimum unit is 0.100ms.
If the measurement time is less than 0.100ms, 0.000ms is displayed.
2) Universal model QCPU
The measurement time minimum unit is 0.01ms.
If the measurement time is less than 0.01ms, 0.000ms is displayed.
If the steps between the FOR and NEXT instructions are specified, measurement
time indicates the execution time of one scan between the specified steps.
6.13 Execution Time Measurement
6.13.3 Scan time measurement
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M0
M1
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M2
END
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