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21  DEVICES
21.9  Interrupt Pointer (I)

A list of interrupts is provided below.

The priority for the interrupt pointer numbers and interrupt factors are indicated.

 • The interrupt priority is the order which is executed at the time of the multiple interrupt. The lower the 

numerical value, the higher the interrupt priority.

 • The interrupt priority order is the order which is executed when the interrupt factor with the same interrupt 

priority is generated.

Input interrupt

I0 to I15

interrupt pointer used for input interrupt of CPU module. Up to 8 points can be used.

High-speed comparison 
match interrupt

I16 to I23

Interrupt pointer used for high-speed comparison match interrupt of CPU module.

Interrupt by internal timer

I28 to I31

Interrupt pointer used for fixed cycle interrupt by internal timer.

Interrupt from module

I50 to I177

interrupt pointer used for interrupt from intelligent function module.

I0

Input interrupt

1 to 3

1

The default value for priority is "2".

I1

2

I2

3

I3

4

I4

5

I5

6

I6

7

I7

8

I8

9

I9

10

I10

11

I11

12

I12

13

I13

14

I14

15

I15

16

I16

High-speed comparison 
match interrupt

1 to 3

17

The default value for priority is "2".

I17

18

I18

19

I19

20

I20

21

I21

22

I22

23

I23

24

I28

Interrupt by internal timer

1 to 3

28

The default value for priority is "2".

I29

27

I30

26

I31

25

I50 to I177

Interrupt from module

2 to 3

29 to 156

The default value for priority is "3".
The highest priority rank is I50 and the lowest is I177.