280
DI, EI, IMASK
Program Example
(1) The following program is designed to enable the execution of only the interrupt programs having the interrupt pointer
numbers I1 and I3 while X0 is ON.
[Ladder Mode]
[List Mode]
When the High Performance model QCPU/Process CPU/Redundant CPU/Universal model QCPU or LCPU is used
: Head number of the devices where the interrupt mask data is stored (BIN 16 bits)
Function
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 state is entered when power is turned ON or when the CPU module is reset.
Setting
Data
Internal Devices
R, ZR
J \
U \G
Zn
Constants
Other
Bit
Word
Bit
Word
––
––
Step
Instruction
Device
IMASK
DI
EI
Sequence program
S
IMASK
DI
EI
S
S