ProSoft Technology MVI71-GSC - Manual (Page 40)

MVI71-GSC ♦ PLC Platform Diagnostics and Troubleshooting
Generic Serial Communication Module
Page 40 of 82 ProSoft Technology, Inc.
January 31, 2008
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. An example display
is shown below:
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.