8 APPLICATION INSTRUCTION
8.3 Program Execution Control Instruction
387
8
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_1(EN,s);
FBD/LD
("DI_1" enters
.)
Operand
Description
Range
Data type
Data type (label)
(s)
Priority for disabling interrupts
1 to 3
16-bit unsigned binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
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.
A: Sequence program
B: Interrupt Program
(s)
EN
ENO
s
2
3
I No.
I01
I02
I01
I02
DI K3
FEND
IRET
IRET
(3)
(2)
(1)
Interrupt priority setting
Priority
A
B
B
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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