
332
7 APPLICATION INSTRUCTION
7.3 Program execution control instruction
Disabling the interrupt program with specified priority or lower
DI
This instruction disables the execution of the interrupt program with a priority specified by (s) or lower until the EI instruction is
executed, even if the interrupt cause occurs.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Processing details
• This instruction disables the execution of the interrupt program of the interrupt pointer number with an interrupt priority
specified by (s) or lower.
Ladder diagram
Structured text
ENO:=DI(EN,s);
Operand
Description
Range
Data type
Data type (label)
(s)
Priority for disabling interrupts
1 to 3
16-bit unsigned binary
ANY16
Operand
Bit
Word
Double word
Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB
U
\G
T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s)
(1) Interrupt-disabled section for the priority 3 or lower
(Interrupt-enabled section for the priority 2 or higher)
(2) Can be executed because of the priority 2.
(3) Cannot be executed because of the priority 3.
(s)
2
3
I No.
I01
I02
I01
I02
DI K3
FEND
IRET
IRET
(3)
(2)
(1)
Interrupt priority setting
Priority
Sequence program
Interrupt Program
Interrupt Program
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......