User manual

Publication ENET-UM001I-EN-P - January 2010 173
Status Indicators Appendix A
1756-EN2T EtherNet/IP
Module Status Indicators
The 1756-EN2T EtherNet/IP communication modules have several status
indicators.
1756-EN2T EtherNet/IP Module Status Indicators
If the NET status indicator is off, take the following actions.
1. Verify there is chassis power.
2. Verify that the module is completely
inserted into the chassis and
backplane.
3. Make sure the module h
as been configured.
Module Status
Display
Health Status Indicator
Network Status Indicator
Link Status
Indicator
Network (NET) Status Indicator
Indicator
Condition
Status Description
Off The module is not powered, or does not have an IP address.
Follow the corrective action below.
Flashing
green
IP
Address/
Mask/Gateway
Config Invalid
The controller has an IP address, but no CIP connections are established.
If no connections are configured, this is normal operation. No action is required.
If connections are configured, check connection originator for connection error code.
Green XXX.XXX.XXX.XXX OK The module has an IP address and at least one established connection. No action is required.
Flashing
red
Class x Connection
Ti
meout
One or more of the connections in which the module is the target has timed out. Reestablish the
connection.
Red Duplicate IP XX:XX of
xx:xx:xx is us
ing the IP
address of this module
A duplicate IP address has been detected.
Make sure that the the IP address assigned to this m
odu
le is not the same as that for any other
device already on the network.