User manual

Publication ENET-UM001I-EN-P - January 2010 171
Status Indicators Appendix A
1756-EN2F EtherNet/IP
Module Status Indicators
The 1756-EN2F EtherNet/IP communication module has several
status indicators.
1756-EN2F EtherNet/IP Fiber 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 has bee
n configured with a valid IP address.
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/Gate
way Config Invalid
The control
ler has an IP address, but no CIP connections are established.
If no connections are configured, this is normal operation. No
acti
on is required.
If connections are configured, check connection originat
or 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
T
imeout
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
using the IP
address of this
module
A duplicate IP address has been detected. Make sure that the the IP address assigned to this
module is not identical to that of any other device already on the network.