Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 263
Chapter 10
Develop Applications
Elements of a Control
Application
A control application is comprised of several elements that require planning for
efficient application execution. Application elements include the following:
• Tasks
• Programs
• Routines
• Parameters and Local Tags
Topic Page
Elements of a Control Application 263
Task s 264
Programs 268
Routines 270
Tags 271
Programming Languages 274
Add-On Instructions 275
Access the Module Object 276
Monitoring Controller Status 278
Monitoring I/O Connections 279
System Overhead Time Slice 282