Rockwell Automation Allen-Bradley 1769-L24ER-QBFC1B

Rockwell Automation Publication 1769-UM021I-EN-P - May 2018 263
Develop Applications Chapter 10
Figure 40 - Task in a Control Application
Figure 41 - Tasks in Application
Control Application
Task 32
Task 1
Configuration
Status
Watchdog
Program 1000
Program 1
Main Routine
Fault Routine
Program (Local
Tags and
Parameters)
Other Routines
Controller (global)
Tags
I/O Data System-shared Data
Controller Fault Handler
Task 1
Contains the following:
• Configuration Data
• Status Data
•Watchdog Data
•Programs
Main Task
(continuous)
Task 2
(periodic)
Task 3
(event)
Controller Organizer
Main Task
(continuous)
Task 2
(periodic)
Task 3
(event)
Logical Organizer