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CHAPTER 4 DEVICES
4
4.11 Interrupt Pointer(I)
4.11.1 List of interrupt pointer numbers and interrupt factors
4.11.1 List of interrupt pointer numbers and interrupt factors
The list of interrupt pointer numbers and interrupt factors are shown below.
(1) When a Q series interrupt module is mounted
*1 The time-limit value of the internal timer is set by default. In the PLC system tab of the PLC parameter dialog box, the
value can be changed within the range of 0.5ms to 1000ms in increments of 0.5ms.
*2 This is available for multiple CPU system configuration.
*3 To use the intelligent function module interrupt, the intelligent function module setting (interrupt pointer setting) is
required in the PLC system tab of the PLC parameter dialog box. (For interrupt from an intelligent function module, refer
to Page 231, Section 3.22.
*4 I50 has the highest priority (priority 22), and I255 has the lowest priority (priority 227).
*5 When an interrupt occurs, even if no interrupt pointer exists on the program, CAN'T EXECUTE(I) (error code: 4220)
does not occur.
*6 To use I49, do not execute any other interrupt programs (I0 to I48, I50 to I255) nor fixed scan execution type programs.
If executed, the interrupt program (I49) will not be executed at preset intervals.
I No. Interrupt factor Priority I No. Interrupt factor Priority
I0
Interrupt by an
interrupt module
(QI60)
1st point 6
I32 to
I44
-N/A-
I1 2nd point 7
I2 3rd point 8
I3 4th point 9
I4 5th point 10
I5 6th point 11
I6 7th point 12
I7 8th point 13
I8 9th point 14
I9 10th point 15
I10 11th point 16
I11 12th point 17
I12 13th point 18
I13 14th point 19
I14 15th point 20
I45
*2 *5
Multiple CPU
synchronous
interrupt
0.88ms 1
I15 16th point 21
I16
Interrupt by a
sequence-started
module
1st module 228
I46 to I48 - N/A -
I17 2nd module 229
I18 3rd module 230
I19 4th module 231
I20 5th module 232 I49
High-speed
interrupt
0.1 to 1.0ms *6
I21 6th module 233
I50 to
I255
Intelligent
function module
interrupt
*3*4
/Interrupt by an
interrupt module
(QI60)
Specify an intelligent function
module or interrupt module (QI60)
in parameter.
22 to 227
I22 7th module 234
I23 8th module 235
I24 9th module 236
I25 10th module 237
I26 11th module 238
I27 12th module 239
I28
*5
Interrupt by the
internal timer
*1
100ms 5
I29
*5
40ms 4
I30
*5
20ms 3
I31
*5
10ms 2
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