Rockwell Automation 1791ES-IB16 Guard I/O EtherNet/IP Safety Modules - Manual (Page 75)

Rockwell Automation Publication 1791ES-UM001D-EN-P - May 2013 75
Get Diagnostic Status from Modules by Using Explicit Messaging Appendix A
From the top of the Message Configuration dialog box, choose the
Communication tab. This dialog box requires the path to the module.
Click Browse to browse to the module that the MSG will read.
From the top of the Message Configuration dialog box, choose Tag to see
this dialog box.