Common ControlLogix event log entries

A large number of
ControlLogix
 event log entries are available for identifying the events that led up to a problem. Or you can monitor the log to identify potential problems. To view
ControlLogix
 messages logged to the local (event) log, open the
FactoryTalk Diagnostics
 Viewer
 on the computer where the alarm server resides.
Troubleshooting tools for FactoryTalk Linx
(CLXDP) Write operation failed for item x because write connection could not be established on route y
(LogixDP) ControlLogix Data Provider started for route x
(LogixDP) ControlLogix Data Provider x started
(LogixDP) CIP connection x open failed on route y
(LogixDP) CIP connection x open rejected (Error y) on route z
(LogixDP) CIP connection x timed out on route y with z packets on connection
(LogixDP) CLX Processor download finished on route x
(LogixDP) CLX Processor download or change noticed while offline, handled on route x
(LogixDP) CLX Processor download started on route x
(LogixDP) CLX Processor packet x disconnected on route y, connection z
(LogixDP) CLX Processor packet x failed read, error y on route z
(LogixDP) Controller has been changed: Item 'x' added on route y
(LogixDP) Controller has been changed: Item 'x' removed on route y
(LogixDP) Item 'x' does not exist in the processor on route y
(LogixDP) Item 'x' is a read-only Safety Item, write failed on route y
(LogixDP) Item 'x' now exists in the processor on route y
(LogixDP) Write attempt for item 'x' failed (Error y) on route z
(LogixDP) Write conversion during a download or for an offline item 'x' failed on route y
(LogixDP) Write operation failed for x (Error y) on route z
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