Chapter 12. Diagnostics
208 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
12.2 Diagnostic Tools Available for Troubleshooting
There are several tools to assist you in diagnosing problems with the Ethernet Interface and the network.
▪ Use the Ethernet Interface LEDs to troubleshoot a problem on power-up of the Ethernet Interface and
for an immediate visual summary of the operational state of the Interface.
▪ Use the Controller Fault Table to troubleshoot a problem once the Interface is running. It provides a
record of exceptions logged by the PLC, the Ethernet Interface, and other I/O and communications
modules. The Controller Fault Table is accessed through the programming software or, if supported, in
a web browser.
▪ For Controller Fault Table entries generated by the Ethernet Interface, the Detailed Fault Data for that
entry contains the same data as the corresponding event in the Ethernet Interface’s exception log.
Refer to GFK-2225, TCP/IP Ethernet Communications for the PACSystems Station Manager Manual, for
information on how to interpret Ethernet exception log events.
▪ Use the Ethernet Status Data to troubleshoot the Ethernet Interface status
▪ For Ethernet Global Data operation, the EGD Management Tool can be used to check online operation
of the EGD network and Exchange Status words can be used to troubleshoot exchange operations.
▪ Use the Station Manager to troubleshoot a problem with the Ethernet Interface, the network, PLC
backplane communication, or with your application. The LOG, TALLY, EXS, CHANNEL, STAT, and
XCHANGE Station Manager commands are especially useful.
- The LOG command provides a complete record of exceptions occurring with the network and
Interface.
- The TALLY command provides statistics about operation and performance of the network and
Interface.
- The EXS command provides information about COMMREQs.
- The CHANNEL command displays detailed information about a specified SRTP or Modbus/TCP
communication channel.
- The STAT command provides the current status of specific components of the Ethernet interface.
Of particular use, the STAT V and STAT H commands provide SRTP server and SRTP channel status,
respectively. The STAT O and STAT M commands provide Modbus/TCP server and channel status,
respectively. The STAT G command provides the current status on the operation of EGD
communications on the Interface.
- The XCHANGE command displays detailed information about a specified Ethernet Global Data
exchange.
Refer to GFK-2225, TCP/IP Ethernet Communications for PACSystems Station Manager Manual, for information
on how to access and use the Station Manager software.
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