Rockwell-automation 5720 DriveLogix System Manuale Utente Pagina 36

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Publication 20D-UM002C-EN-P - November 2003
2-2 What Is DriveLogix?
Developing programs
The controller operating system is a preemptive multitasking system that is
IEC 1131-3 compliant. This environment provides:
tasks to configure controller execution
programs to group data and logic
routines to encapsulate executable code written in a single programming
language
control application
controller fault handler
task 8
task 1
configuration
status
watchdog
program 32
program 1
main routine
fault routine
program (local)
tags
other routines
controller (global) tags I/O data system-shared data
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