Rockwell Automation 1755-OF8 GuardPLC Controller Systems - Manual (Page 256)

256 Publication 1753-UM001C-EN-P - March 2010
Chapter 20 Use the GuardPLC Controller as a Scanner
5. Right-click the target I/O module in the Scanlist Configuration
dialog box and choose Insert Connection.
TIP
If the controller is in the RUN mode, a warning message
appears, instructing you to put the scanner into the
STOP/VALID CONFIGURATION mode before you attempt
to add connections.