Rockwell Automation Publication 442G-UM002A-EN-P - December 2016
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Use the Multifunctional Access Box in an Integrated Safety Controller-based System
Chapter 3
4. On the connection page, notice that the module is faulted (safety network
number (SNN) not set, module-out-of-box).
5. From the General tab, click Safety Network Number. The SNN dialog box
appears. Enter the Number, Click Set, then click OK.