Omron NT31 Operation Manuals page 462

Inputting Character Strings
S Checking the record in the Maintenance mode
Select the Maintenance mode from the System Menu and display the alarm his-
tory record.
For details on the System Menu operation, refer to 6-11-5 "Displaying and Print-
ing the Alarm History Record" (page 221).
When the record is checked in the Maintenance mode, screens like those shown
below are displayed.
- Occurrence order screen
- Frequency order screen
S Checking the record during operation
The alarm history can be checked during operation by displaying a screen for
which an alarm history element has been registered.
In this case, the alarm history element is displayed in the manner shown below.
However, note that the width and height of the alarm history element, and the
method of display for the time, can be changed by setting properties. For details,
refer to 7-11 "Alarm List, Alarm History" (page 406).Occurrence order screen
Abnormal remote I/O
Abnormal high function unit
Cycle time over
06/06 16:02
06/07 09:21
06/17 15:44
Section 7-15
Occurrence of
transmission
abnormality
Check the remote I/O
transmission line!
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