Rockwell Automation 1756-RIO ControlLogix Remote I/O (RIO) Communication Interface Module Installation Instr - Manual (Page 20)

20 ControlLogix Remote I/O (RIO) Module
Rockwell Automation Publication 1756-IN610B-EN-P - November 2010
Adapter Mode
This table shows status in order of priority, highest first.
CLX Status Indicator – ControlBus Status
The CLX indicator displays the status of communication with the ControlLogix
processor.
Indicator Status Description
RIO Red A frame-receive error has been received in the last
second (CRC error, abort, or time-out). Indicator stays
red for one second after the error occurs.
Flashing red/off One or more racks are not being scanned.
Flashing green/off Configuration mismatch on one or more racks.
Green All racks are being scanned and there are no
configuration mismatches.
Indicator Status Description
CLX Green The module has successfully processed a request
from the ControlBus backplane within the last five
seconds. All required connections are open.
Flashing green/off Controlling Connection is open, but not all required
connections are open.
Yellow Idle, no requests received from the backplane in the
last five seconds. No connections; empty
configuration.
Flashing yellow/off Controlling Connection is not open.
Red The module has returned a CIP error to a request from
the backplane within the last second. All required
connections are open.
Flashing red/off The module has returned a CIP error within the last
second. All required connections are not open.