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Configuration and startup
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3.9 Diagnostics
A variety of packet statistics can be used to diagnose a configuration or application problem.
To view any diagnostics data:
1. Click the “Diagnostics” tab to view a variety of packet statistics that can be used to
diagnose a configuration or application problem.
3.9.1 Communication statistics
Figure 3-14 “Diagnostics/Communication Statistics” page
1. Click the “Communication Statistics” tab.
The “Communication Statistics” page provides an overview of the activity on each serial
and EtherNet/IP ports. The values can be reset to zero at any time by clicking the “Reset
Statistics” button.
2. “Serial Interface” group
PLC connection status: This displays the application relationship number of the
current PLC connection.
TX byte count: This displays the number of bytes transmitted from the serial port.
TX packet count: This displays the number of serial packets transmitted from the serial
port.
RX byte count: This displays the number of bytes received on the serial port.
RX packet count: This displays the number of packets received on the serial port.
Parity error count: This displays the number of parity errors dropped due to parity
errors.
Framing error count: This displays the number of received serial packets dropped
due to framing errors.