22
ControlLogix-XT Data Highway Plus-Remote I/O Interface Module
Publication
1756-IN638A-EN-P - March 2009
Remote I/O Codes and Interpretations
Code
Description
Recommended Actions
MUTE
LINK
No adapters found on remote I/O.
Add an adapter to the remote I/O
network.
RACK
OVER
Rack overlap on remote I/O.
Reconfigure remote I/O racks.
DUPL
SCAN
Duplicate scanner on remote I/O.
Check remote I/O adapter settings.
MAX_
DEV_
Maximum devices exceeded on
remote I/O.
Remove devices to meet limitations on
remote I/O network.
CHAT
LINK
Babble detected on remote I/O.
Check remote I/O device and network
connections.
OFF_
LINE
Not trying to communicate.
None. Normal state if controller is not
controlling remote I/O.
OK
Normal operation.
None.
MUTE
LINK
No adapters found on remote I/O.
Add an adapter to the remote I/O
network.
RACK
OVER
Rack overlap on remote I/O.
Reconfigure remote I/O racks.
DUPL
SCAN
Duplicate scanner on remote I/O.
Check remote I/O adapter settings.
MAX_
DEV_
Maximum devices exceeded on
remote I/O.
Remove devices to meet limitations on
remote I/O network.
CHAT
LINK
Babble detected on remote I/O.
Check remote I/O device and network
connections.
OFF_
LINE
Not trying to communicate.
None. Normal state if controller is not
controlling remote I/O.