Summary of Changes

This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes. Translated versions are not always available for each revision.
Topic
Page
Added information to the Qualification and Synchronization topic
Updated Logix SIS safety data with safe detected and undetected failure rates
Added the Fiber Channel Status via MSG Instruction topic
Added new chapter about how to develop secure systems that align with the IEC-62443-4-2 standard
Added new section about how to replace a
CIP Security
-enabled 1756-EN4TR module
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