Panasonic FP-E Programming Manual page 201

FP0/FP0R/FP−e/FPΣ/FP−X
INT
IRET
Outline INT:
IRET:
Program example
20
21
26
Description
When an interrupt is input, the interrupt program of the number specified is executed starting from the INT
instruction.
When the interrupt program reaches the IRET instruction, the program returns to the address where the
interrupt occurred and the main program resumes.
X0
ICTL, S1, S2
DF
Main program
ED
INT
Interrupt
program n
IRET
When the interrupt occurs, the program is executed in the order
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Interrupt
Interrupt return
Indicates the start of the interrupt program.
Indicates the end of the interrupt program.
Ladder Diagram Ladder Diagram
Interrupt program number
Interrupting
1
3
n
2
(ED )
(INT 0 )
(IRET )
− −
1 2 3
Basic Instructions
Availability
FP0/FP0R/FP−e/
FPΣ/FP−X
Boolean
Address Instruction
20 ED
21
INT
26 IRET
shown above.
0
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