PLX30 Series
Diagnostics and Troubleshooting
Ethernet and Serial Gateways
User Manual
ProSoft Technology, Inc.
Page 43 of 200
September 19, 2012
9
If you wish to capture the Data Analyzer session to a log file, click the
Log
File
button.
10
Click the
Start Data Analyzer
button to start the Data Analyzer. Click it again
to stop it.
11
The example below is part of a capture of standard Modbus data packets. It
is displayed in hexadecimal number format.
Data LEAVING the serial port is enclosed in angle brackets <>.
Data ENTERING the port is enclosed in square brackets [ ].
Each set of brackets holds one word (2 bytes) of data.
For Modbus protocol users:
To interpret the data packets, refer to the Modbus Protocol
Specification, which can be found