Diagnostics and Troubleshooting MVI56E-MCMR ♦ ControlLogix Platform
User Manual Modbus Communication Module with Reduced Data Block
Page 134 of 223 ProSoft Technology, Inc.
To begin the display of the communications data, start the Data Analyzer. When
the Data Analyzer is running, you should see something like this.
The <R+> means that the module is transitioning the communications line to a
transmit state.
All characters shown in <> brackets are characters being sent out by the module.
The <R-> shows when the module is done transmitting data, and is now ready to
receive information back.
And finally, all characters shown in the [ ] brackets is information being received
from another device by the module.
After taking a minute or two of traffic capture, stop the Data Analyzer.
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