Rockwell Automation Publication 1769-UM022C-EN-P - June 2018 141
Chapter 9
Develop Safety Applications
This chapter explains the components that make up a safety project and
provides information on using features that help protect safety application
integrity, such as the safety task signature and safety-locking.
For guidelines and requirements for developing and commissioning SIL 3 and
PLe safety applications, refer to the GuardLogix® 5570 and Compact
GuardLogix®
5370 Controller Systems Safety Reference Manual, publication
1756-RM099
.
The Safety Reference Manual addresses the following topics:
• Create a detailed project specification
• Write, document, and test the application
• Generate the safety task signature to identify and help protect the project
• Confirm the project by printing or displaying the uploaded project and
manually compare the configurations, safety data, and safety program logic
• Verify the project through test cases, simulations, functional verification
tests, and an independent safety review, if required
• Lock the safety application
• Calculate the system reaction time
Topic Page
The Safety Task 142
Safety Programs 143
Safety Routines 144
Safety Tags 144
Produced/Consumed Safety Tags 148
Safety Tag Mapping 156
Safety Application Protection 158
Programming Restrictions 162
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