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ProSoft Technology MVI69-DFCM User Manual

Page 53

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Diagnostics and Troubleshooting

MVI69-DFCM ♦ CompactLogix or MicroLogix Platform

DF1 Interface Module

ProSoft Technology, Inc.

Page 53 of 117

November 3, 2008

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.

These characters are inserted when the RTS line is driven high on the port.

These characters are inserted when the RTS line is dropped low on the port.

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.

4.1.5 Data

Analyzer

Tips

From the main menu, press [A] for the "Data Analyzer". You should see the
following text appear on the screen:

After the "Data Analyzer" mode has been selected, press [?] to view the Data
Analyzer menu. You will see the following menu: