Mitsubishi MELSEC Q Series, Programming Manual

Page: 304 / 816

6-142
6.6 Program Execution Control Instructions
6.6.1 Interrupt disable/enable instructions, interrupt program mask
DI, EI, IMASK
6.6
Program Execution Control Instructions
6.6.1
Interrupt disable/enable instructions, interrupt program mask
DI, EI, IMASK
F unct i on
DI
(1) Disables the execution of an interrupt program until the EI instruction has been executed,
even if a start cause for the interrupt program occurs.
(2) A DI status is entered when power is turned ON or when the CPU module is reset.
DI
IMASK
EI
indicates any of the following
instructions.
DI
EI
Input argument, EN: Executing condition : Bit
s:
Interrupt mask data (when using the IMASK instruction) : Array of ANY16 (0..15)
Output argument, ENO: Execution result : Bit
Setting
data
Internal device
R, ZR
J \
U \G
Zn Constant Others
Bit Word Bit Word
− −
U n i versa l
UD
Hi g h
Per f ormance
Structured ladder
ST ST
IMASK
EN
s
ENO
ENO:=
IMASK
(EN, s);
DI
(EN); ENO:= DI
EN ENO
s