User manual
Diagnostics and Troubleshooting  MVI56-HART ♦ ControlLogix Platform 
User Manual  HART Multi-drop Master Communication Module 
Page 72 of 171  ProSoft Technology, Inc. 
  October 13, 2011 
Starting the Data Analyzer 
Press [B] to start the data analyzer. After the key is pressed, all data transmitted and 
received on the currently selected port will be displayed. The following illustration shows 
an example. 
The Data Analyzer displays the following special characters: 
Character  Definition 
[ ]  Data enclosed in these characters represent data received on the port. 
< >  Data enclosed in these characters represent data transmitted on the port. 
<R+>  These characters are inserted when the RTS line is driven high on the port. 
<R->  These characters are inserted when the RTS line is dropped low on the port. 
<CS>  These characters are displayed when the CTS line is recognized high. 
_TT_  These characters are displayed when the timing mark interval has been reached. 
This parameter is user defined. 
Stopping the Data Analyzer 
Press [S] to stop the data analyzer. Use this option to freeze the display so the data can 
be analyzed. To restart the analyzer, press [B]. 
Important: When in analyzer mode, program execution will slow down. Only use 
this tool during a troubleshooting session. Before disconnecting from the 
Config/Debug port, please press [S]
to stop the data analyzer, and then press 
[M]
to return to the main menu. This action will allow the module to resume its 
normal high speed operating mode. 
Returning to the Main Menu 
Press [M] to return to the Main menu. 










