GuardLogix Architecture

The following examples of SIL 3 and SIL 2 systems show these features:
  • The overall safety function
  • The
    GuardLogix®
     portion of the overall safety function
  • How other devices that operate outside the safety function, such as HMI, are connected
Example SIL 3 System
Example SIL 3 System
Example SIL 2 System
Example SIL 2 System
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