Omron NJ Series

12 Troubleshooting
12-14
NJ-series CPU Unit Software User’s Manual (W501)
Errors Related to Tasks
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
60020000 hex Task Execu-
tion Timeout
Task execution
exceeded the time-
out detection time.
• The timeout detection time set-
ting is too short.
• The task period setting is too
short.
• A user program is too large.
• The number of times that pro-
cessing is repeated is larger
than expected.
• Task Priority Error
• Frequent Event Task Execution
 page 12-23
60030000 hex I/O Refresh-
ing Timeout
Error
Consecutive I/O
refresh failures
occurred during the
primary periodic
task or periodic task
period.
• The task period setting is too
short.
• Task Priority Error for Periodic
Tasks and Event Tasks
• There are too many Units and
slaves that perform I/O refresh
in the task period.
• Frequent Event Task Execution
 page 12-24
60040000 hex Insufficient
System Ser-
vice Time
Error
The specified sys-
tem service execu-
tion time could not
be obtained.
• There was not sufficient time to
execute the tasks and tag data
link service.
• The system service execution
interval is too short or the sys-
tem service execution time ratio
is too long in the System Ser-
vice Monitoring Settings.
 page 12-25
60010000 hex Task Period
Exceeded
Task execution was
not completed dur-
ing the set task
period for the pri-
mary periodic task
or a periodic task.
• The task period setting is too
short.
• A user program is too large.
• The number of times that pro-
cessing is repeated is larger
than expected.
• Task Priority Error for Periodic
Tasks and Event Tasks
• Frequent Event Task Execution
 page 12-26
60050000 hex Task Period
Exceeded
Task execution was
not completed dur-
ing the set task
period for the pri-
mary periodic task
or fixed periodic
task.
• The task period setting is too
short.
• A user program is too large.
• The number of times that pro-
cessing is repeated is larger
than expected.
• Task Priority Error for Periodic
Tasks and Event Tasks
• F
r
equen
t Ev
ent T
ask Ex
e
cution
 page 12-27