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8 APPLICATION INSTRUCTION
8.3 Program Execution Control Instruction
393
8
Returning from the interrupt program
IRET
This instruction indicates an end of the processing of an interrupt program.
Processing details
When an interrupt (input or timer) is generated while the main program is executing, the program execution jumps to an
interrupt (I) routine. The IRET instruction returns the program execution to the main routine.
The table below shows two types of jump to an interrupt routine.
Operation error
Ladder diagram
Structured text
Not supported
FBD/LD
Not supported.
Function
Interrupt No. Description
Interrupt from inputs (including
counter)
I0 to I23
Interrupt pointer used for the CPU built-in functions (such as input interrupt, high-speed comparison
match interrupt)
Internal timer interrupt
I28 to I31
Interrupt pointer used for fixed-cycle interrupts of the internal timer
Error code
(SD0/SD8067)
Description
33E6H
The IRET instruction is executed in the main program.
Содержание MELSEC iQ-F FX5
Страница 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
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Страница 17: ...15 CONTENTS ...
Страница 24: ...22 MEMO ...
Страница 25: ...23 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW 2 PRECAUTIONS ON PROGRAMMING ...
Страница 126: ...124 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 132: ...130 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 140: ...138 6 SEQUENCE INSTRUCTIONS 6 3 Output Instructions Operation error There is no operation error ...
Страница 191: ...7 BASIC INSTRUCTIONS 7 2 Arithmetic Operation Instructions 189 7 Operation error There is no operation error ...
Страница 202: ...200 7 BASIC INSTRUCTIONS 7 2 Arithmetic Operation Instructions Operation error There is no operation error ...
Страница 278: ...276 7 BASIC INSTRUCTIONS 7 4 Bit Processing Instructions Operation error There is no operation error ...
Страница 280: ...278 7 BASIC INSTRUCTIONS 7 4 Bit Processing Instructions Operation error There is no operation error ...
Страница 915: ...18 TYPE CONVERSION FUNCTIONS 18 13 Converting DWORD to WORD 913 18 Operation error There is no operation error ...
Страница 917: ...18 TYPE CONVERSION FUNCTIONS 18 14 Converting DWORD to INT 915 18 Operation error There is no operation error ...
Страница 932: ...930 18 TYPE CONVERSION FUNCTIONS 18 26 Converting DINT to WORD Operation error There is no operation error ...
Страница 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Страница 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
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