Event Task Disable : Di - Mitsubishi Electric Melsec Q Series Programming Manual

5 OPERATION CONTROL PROGRAMS

5.13.2 Event task disable : DI

Format
[Usable data]
Setting
16-bit
data
Bit device
integer
type
— — —
[Setting data]
[Functions]
[Errors]
[Program examples]
DI
Word device
64-bit
32-bit
floating
integer
point
type (L)
type (F)
— —
There are no setting data.
(1) The execution of an event task is disabled.
(2) If an external interrupt or PLC interrupt occurs after execution of the DI instruction,
the corresponding event task is executed once at the execution of the EI
instruction. (If two or more external interrupts or PLC interrupts occur during DI,
the corresponding event task is executed only once at the execution of the EI
instruction.)
(3) During DI, a fixed-cycle event task is not executed.
(4) The execution of an NMI task cannot be disabled.
(5) The DI status is established at power-on or reset of the Multiple CPU system.
EI/DI status does not change by the ON/OFF of PLC ready flag (M2000).
(1) An operation error will occur if:
• This instruction is used with other than a normal task.
(1) Program which disables the execution of an event task.
DI
Usable Data
Constant
16-bit 32-bit
Coasting
integer integer type
timer
type (K/H) (K/H, L)
— — —
5 - 99
F/FS
Number of basic steps
Bit
64-bit
Calculation
conditional
floating
expression
expression
point
type (K)
— — —
G
1
Comparison
conditional
expression
—
: Usable