Rockwell Automation 1756-CN2RXT ControlLogix-XT ControlNet Interface Module, Series B Installation Instructions - Manual (Page 18)

18 ControlLogix-XT ControlNet Interface Module
Publication 1756-IN634A-EN-P - April 2009
Apply Power and Check Status
If not yet applied, apply power to the chassis power supply. Use this
flowchart as a reference to determine module status after power is
applied.
Turn the chassis
power supply on.
Module status
indicator red? See Status Indicators
on
page 23 .
Module performs a
self-test
initialization.
No
Yes
TEST
No
Yes
Module status
indicator red?
Self-test has failed, and
the module displays an
error message. See
page 23 .
Replace the
module.
Self-test is complete.
The status indicator
flashes green.
Channel A and B
status indicators
alternately flash.
Channel A and B status
indicators display the
network condition as
listed on
page 29 .
Module status
displays OK? No See the troubleshooting
table on
page 23 .
Yes
Module is functional
and operating.
OK
A#xx