User manual

98 Rockwell Automation Publication 1769-UM011I-EN-P - February 2013

Chapter 7 Develop Applications

Develop Programs

The controller’s 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.

Figure 19 - Program Development

Control Application

Controller Fault Handler

Task 8

Task 1

Configuration

Status

Watchdog

Program 32

Program 1

Main Routine

Fault Routine

Program (local)