Diagnostics and Troubleshooting MVI56E-MCM ♦ ControlLogix Platform
User Manual Modbus Communication Module
Page 112 of 209 ProSoft Technology, Inc.
Port Status
Use the Port Status menu to view status for Modbus Port 1 and Modbus Port 2.
During normal operation, the number of requests and responses should
increment, while the number of errors should not change.
5.7.6 Data Analyzer
The Data Analyzer mode allows you to view all bytes of data transferred on each
port. Both the transmitted and received data bytes are displayed. Use of this
feature is limited without a thorough understanding of the protocol.
Configuring the Data Analyzer
Select Timing Interval
Time Ticks help you visualize how much data is transmitted on the port for a
specified interval. Select the interval to display, or choose No Ticks to turn off
timing marks.
Select the Communication Port to Analyze
You can view incoming and outgoing data for one application port at a time.
Choose the application port to analyze.
Select the Data Format
You can view incoming and outgoing data in Hexadecimal (HEX) or
Alphanumeric (ASCII) format.
Starting the Data Analyzer
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