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7 Applied Instructions (Program Flow)
7.5 DI / Disable Interrupt
120
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
7.5 DI / Disable Interrupt
Outline
This instruction disables interrupts after interrupts were enabled by EI instruction.
1. Format and operation, execution form
2. Set data
3. Applicable devices
Function and operation explanation
DI instruction is the independent type, and does not require command (drive) contact.
Cautions
Interrupts (requests) generated after DI instruction are processed after EI instruction is executed.
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
DI 16 bits Continuous DI(EN);
Variable Description Data type
Input
variable
EN Execution condition Always TRUE
Output
variable
ENO Execution state Bit
Operand
type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
VZModifier K H E
""
P
- No target device is available.
DI
EN ENO