102 Rockwell Automation Publication 1756-UM022D-EN-P - May 2017
Chapter 6 Develop Safety Applications
The Safety Task
When you create a safety controller project, the Studio 5000 Logix Designer®
application automatically creates a safety task with a safety program and a main
(safety) routine.
Figure 24 - Safety Task in the Controller Organizer
Within the safety task, you can use multiple safety programs, composed of
multiple safety routines. The GuardLogix controller supports one safety task.
The safety task cannot be deleted.
You cannot schedule standard programs or execute standard routines within
the safety task.
Safety Task Period Specification
The safety task is a periodic timed task. You set the task priority and watchdog
time via the Task Properties - Safety Task dialog box. To open the dialog box,
right-click the Safety Task and choose Properties.
Figure 25 - Configure the Safety Task Period
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