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CHAPTER6 FUNCTIONS
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6.13 Execution Time Measurement
6.13.1 Program monitor list
When the POFF instruction is executed, a non-execution processing is performed for one scan. The number of execution
times displayed is the addition of the execution times of the non-execution processing.
For details of the POFF instruction, refer to the following.
MELSEC-Q/L Programming Manual (Common Instruction)
(3) Program start Note6.11Note14
Clicking the button on the screen shown in Figure 6.49 ( (2) in this section) opens the Startup
program screen.
(a) Program name
Select a program set in the Program tab of the PLC parameter dialog box.
A program name cannot be entered as desired.
(b) Startup mode
Set any of the following programs as a start-up program for a stand-by type program.
• "Scan execution": Scan execution type program
• "Low speed execution": Low-speed execution type program
Note6.12
• "Fixed scan execution": Fixed scan execution type program
The value set in the Program tab of the PLC parameter dialog box is displayed as the default value of fixed
scan execution type program.
The unit can be selected from ms or s.
Note14
Figure 6.50 Startup program screen
Note6.11
The Basic model QCPU does not support program start from the Program monitor list screen.
Basic
Note6.12
Since the Redundant CPU does not support the use of low-speed execution type programs, "Low speed execution"
cannot be selected in “Startup mode”.
Redundant
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