6 Rockwell Automation Publication 1756-RM012B-EN-P - April 2018
Table of Contents
Appendix C
Reaction Times Connection Reaction Time Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Specify the Requested Packet Interval (RPI) . . . . . . . . . . . . . . . . . 80
View the Maximum Observed Network Delay . . . . . . . . . . . . . . . 80
System Reaction Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Logix System Reaction Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Simple Input-logic-output Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Logic Chain Using Produced/Consumed Safety Tags. . . . . . . . . 82
Factors That Affect Logix Reaction-time Components . . . . . . . . . . . 83
Configure Guard I/O Input Module Delay Time Settings . . . . 84
Configure or View the Input and Output
Safety Connection Reaction Time Limits. . . . . . . . . . . . . . . . . . . . 84
Configure the Safety Task Period and Watchdog. . . . . . . . . . . . . 86
Access Produced/Consumed Tag Data . . . . . . . . . . . . . . . . . . . . . . 86
Appendix D
Checklists for GuardLogix Safety
Applications
Checklist for GuardLogix Controller System . . . . . . . . . . . . . . . . . . . . 90
Checklist for Safety Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Checklist for Safety Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Checklist to Develop a Safety Application Program . . . . . . . . . . . . . . 93
Appendix E
GuardLogix Systems Safety Data Useful Life. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Safety Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Product Failure Rates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Appendix F
Studio 5000 Logix Designer
Application, Version 31 or Later,
Safety-application Instructions
De-energize to Trip System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Use Connection Status Data to Initiate a
Fault Programmatically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Glossary
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Index
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
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