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Rockwell Automation Publication 1756-RM012B-EN-P - April 2018
Appendix D
Checklists for GuardLogix Safety Applications
Checklist for GuardLogix Controller System
Checklist for GuardLogix System
Company
Site
Safety Function Definition
Number
System Requirements
Fulfilled
Comment
Yes
No
1
Are you using only the certified components for your SIL level, with the corresponding firmware release, as
listed at
http://www.rockwellautomation.com/global/certification/safety.page
2
Have you calculated the safety response time of the system for each safety function?
3
Does the response time of the system’ include both the user-defined safety-task program watchdog (software
watchdog) time and the safety task rate/period?
4
Is the system response time in proper relation to the process safety time?
5
Have probability (PFD/PFH) values been calculated for each safety function?
6
Have you performed all appropriate project validation tests?
7
Have you determined how your system can handle faults?
8
Does each network in the safety system have a unique SNN?
9
Is each Safety device configured with the correct SNN?
10
Have you generated a safety signature?
11
Have you uploaded and recorded the safety signature for future comparison?
12
After a download, have you verified that the safety signature in the controller matches the recorded safety
signature?
13
Do you have an alternate mechanism in place to preserve the safety integrity of the system when making
online edits?
14
Have you considered the checklists for using SIL inputs and outputs, which are listed on
?
Summary of Contents for Compact GuardLogix 5380
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