LSIS XBE-DC08A, Руководство пользователя, Страница: 112 / 1284

M
ain
Chapter 1 Configuration and Operation Mode of Programs
1-15
(2) Instructions to use the fixed cycle task
The corresponding task program with fixed cycle runs at every set time interval (running cycle) and keep
the below instructions in mind.
• When the specific task program with the fixed cycle runs currently or stands by for execution, if the request
on running the same task program occurs, the newly occurred task will be ignored.
• The timer generating the request on running the task program with fixed cycle works only when the
operation mode is RUN mode. Ignore all the blackout time.
• When setting up the running cycle of the task program with fixed cycle, the request on running several task
programs should not occur.
If you apply 4 task programs with the fixed cycle of 2 seconds, 4 seconds, 10 seconds, 20 seconds, 4
execution requests occur simultaneously every 20 seconds and 4 tasks runs at once so the scan time
may be longer momentarily.
1.1.8 External contact task
(1) How to set up the task
(a) Adding tasks: Select
『
Project
』
–
『
Add Items
』
–
『
Task
』
or after clicking with the right mouse button on
the project name of the project tree, select
『
Add Items
』
-
『
Task
』
as shown in the below figure.