
Rockwell Automation Publication IASIMP-QS005H-EN-P - April 2016
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Appendix
C
GuardLogix® Tools
For many safety applications, especially those applications that require the safety system to monitor and react, the
performance of the safety system needs to be estimated early in the design of the system. With safety systems that use
safety networks and distributed safety devices, this can be difficult. Rockwell Automation has developed two software
tools to help you estimate how a system will perform.
GuardLogix Safety Calculator
The first tool, called the GuardLogix Calculator, uses a spreadsheet that provides three worst-case performance estimates
based on how the GuardLogix controller, specifically the safety task, and the safety I/O was configured and distributed
on DeviceNet networks.
The GuardLogix safety calculator was the original spreadsheet used when GuardLogix controllers were introduced in
2005 and is a limited-functionality performance calculator used to estimate the performance of a single safety loop.
The calculator is compatible with Microsoft Excel software.
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