User manual

152 Publication ENET-UM001I-EN-P - January 2010
Chapter 11 Troubleshoot an EtherNet/IP Module
Message Connections
If you want to check the status of your module connections, click the Message
Connections tab.
The Message Connections diagnostic web page appears.
These are the four connection states:
•Active
•Closing
•Faulted
•Reserved
If Then
There are more than zero
inhibited I/O packets
Reconfigure your module to produce packets no more quickly than the connection’s RPI. See Configure Your
Module with RSLogix 5000 Software on
page 50 .
There are more than zero
rejected I/O packets
V
iew the Message Connections diagnostic web page to confirm what, if any, connections are closed. See
Message Connections on
page 152 .
Important: If more than four I/O packets have been rejected, your module has probably
lost its connection.
There are possibly duplicate module IP addresses.
Observe your module’s status indicators and take recommended actions. See Status Indicators on
page 167 .
Important: Many EtherNet/IP comm
unication modules can detect duplicate IP addresses. See Duplicate IP
Address Detection on
page 51 .
A packet has possibly been received out of sequence and rejected because the previous packet was inhibited.
Reconfigure your module to produce packets no more quickly than the connection’s RPI. See Configure Your
Module with RSLogix 5000 Software on
page 50 .