Specifications

Table Of Contents
7 - 6
7.4 Other commands
Event task permit: EI
Format
EI
(1) Execution of event task is permitted.
(2) It is applicable only to the normal task.
Program example
Execution of event task is permitted.
EI
Event task prohibit: DI
Format
DI
(1) Execution of event task is prohibited.
(2) When an external interrupt or PLC interrupt occurs after execution of the DI
command, the corresponding event task is executed once when the EI command
is executed.
(3) The constant cycle event task is not executed during DI.
(4) The execution of NMI task cannot be prohibited.
Program example
Program to prohibit the execution of event task
DI