Rockwell Automation 1756-DHRIO ControlLogix Data Highway Plus-Remote I/O Communication Interface Module I.I. - Manual (Page 18)

18 ControlLogix Data Highway Plus-Remote I/O Communication Interface Module
Publication 1756-IN003D-EN-P - July 2008
Configure Your 1756-DHRIO Module
After installing your 1756-DHRIO module, you must configure it. For more
information, refer to the
Data Highway Plus-Remote I/O Communication
Interface Module User Manual, publication 1756-UM514 .
If the channel
A or B
indicator is in this
channel mode then the channel
status is take this action
Off All Not on line. Place channel on line.
Green RIO scanner Active RIO link. All
adapter modules are
present and not
faulted. None, normal operation.
DH+ Operating. None, normal operation.
Green
flashing RIO scanner One or more nodes
faulted or failed. Check power at other
racks.
DH+ No other node on the
network. Check cables.
Red All Hardware fault. Reboot module. If red
reoccurs, replace module.
Red flashing RIO scanner Faulted adapters
detected. Check cables.
Check power at other
racks.
DH+ Duplicate node
detected. Check node address.