541
Using the Alarm List/History Function
Section 8-8
S How to use the touch switches of the alarm list/history
The touch switches shown below are provided for the alarm list/history element.
Message
(Number of digits complies
with “Length”)
Frequency of occurrence/Time of occurrence
- Frequency : 4 digits
- Year/month/day hour:minute : 15 digits
- Month/day hour:minute : 12 digits
- Hour:minute : 6 digits
Line scrolling touch switches
Page scrolling touch switches
- Line scroll touch switches (scroll to the previous/next line)
The touch switches scroll the display range in units of a line forward and back-
ward.
If data exist before and after the displayed range, the touch switches are dis-
played in reverse video. Pressing a touch switch not displayed in reverse vid-
eo is disregarded.
- Page scroll touch switches (scroll to the previous/next page)
The touch switches scroll the display range in units of a page forward and
backward.
If data exist before and after the displayed range, the touch switches are dis-
played in reverse video. Pressing a touch switch not displayed in reverse vid-
eo is disregarded.
Displaying the Alarm History Record from the System Menu
The recorded alarm history record data can be confirmed from the System Menu.
It is possible to print the alarm history record data using a printer connected to the
NT31/NT31C.
S Display in the order of occurrence
S Display in the order of frequency
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