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What is the purpose of the MUID of the M580 safety IO module?

Published date: 16 November 2018

To avoid any unauthorised modification, each Safety I/O modules has an unique module number "Module Unique Identification (MUID) "  in its configuration
The Device DDT structure related to Safety I/O modules will contain the MUID field:
>An array of four 32 bits words; allow identifying each modules
>This unique identifier is computed during the first build of the project
>User has to verify each Safety I/O modules  during commissioning:
   1 Can be validated from Unity I/O screen, or 
   2 From the module’s Device DDT

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