Rockwell Automation 1756-DHRIO ControlLogix Data Highway Plus-Remote I/O Communication Interface Module I.I. - Manual (Page 16)

16 ControlLogix Data Highway Plus-Remote I/O Communication Interface Module
Publication 1756-IN003D-EN-P - July 2008
CNFG
FALT
Incorrect DH+ routing
table configuration.
Incorrect Data
Highway object
configuration.
Correct the configuration. Refer to the
1756-DHRIO User Manual, publication
1756-UM0514
.
Verify the module is inserted in correct slot.
Data Highway Plus
OK Normal operation for
that channel. None.
LINK
OFF
Channel B is disabled
because Channel A is
used for 230k DH+
operation. None
Remote I/O
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.
Code Description Recommended Action