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1 PROGRAM EXECUTION
1.4 Execution Type of Program
Make the following settings for fixed scan execution type program in CPU parameter.
• Interrupt pointer setting (Interrupt from internal timer: I28 to I31)
• Fixed scan interval setting
Interrupt pointer setting
The interrupt pointer (Interrupt from internal timer: I28 to I31) assigned to a fixed scan execution type program is set up.
Navigation window [Parameter] [FX5UCPU] [CPU Parameter] "Program Setting" "Program Setting"
"Detailed Setting" "Detailed Setting Information"
1. Open program setting screen.
2. Set type as fixed scan.
3. Specify interrupt pointer.
Window
Displayed items
Fixed scan interval setting
Sets the fixed scan interval setting of the fixed scan execution type program. (It is the same as setting for interrupt from
internal timer.)
Navigation window [Parameter] [FX5UCPU] [CPU Parameter] "Interrupt Settings" "Fixed Scan Interval
Setting"
Window
Displayed items
Item Description Setting range Default
Interrupt Pointer Set the interrupt pointer which is assigned to fixed scan
execution type program.
•I28
•I29
•I30
•I31
I31
Specified Time Intervals Fixed scan interval setting value is displayed.
Setup is performed on another screen. (Page 22 Fixed
scan interval setting)
Item Description Setting range Default
Interrupt Setting from Internal
Timer
I28 Sets the execution interval of I28. 1 to 60000 ms (1 ms units) 100 ms
I29 Sets the execution interval of I29. 1 to 60000 ms (1 ms units) 40 ms
I30 Sets the execution interval of I30. 1 to 60000 ms (1 ms units) 20 ms
I31 Sets the execution interval of I31. 1 to 60000 ms (1 ms units) 10 ms