Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016 115
Get Diagnostic Status from Modules by Using Explicit Messaging Appendix A
5. From the top of the Message Configuration dialog box, click Tag.
Figure 47 - Instance 860 Tag Tab
When the explicit message reads the data from the 1732ES-IB12XOB4 
modules, the data appears in the MSGdata tags as shown in Figure 48
.
Figure 48 - Instance 860 MSGdata Tags