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Chapter 4 CPU Function
4 - 11
4.3.3 Interrupt Program
It describes the program structure of KGLWIN and Interrupt program to help your understanding
of Interrupt function of PLC option card . (Please refer to KGLWIN user manual for KGLWIN
programming.)
Scan Program
Remark
-. Interrupt routine should be written after END instruction.
-. An interrupt factor that has higher priority occurs while
other interrupt that has lower priority are executing, the
interrupt routine of lower priority will be stopped and the
interrupt of higher priority will be executed first.
-. All interrupts
’
status is Disable when power is applied.
-. To execute an interrupt routine, use the EI instruction to
enable the corresponding interrupt.
Interrupt 1
(Program 1)
Interrupt routine 1
Interrupt 2
(Program 2)
Interrupt routine 2
Interrupt 3
(Program 3)
Interrupt routine 3
Interrupt routine 2
Interrupt 2
(Program 2)
Interrupt routine 4
Interrupt 4
(Program 4)
END