Omron NT31 Operation Manuals page 420

Alarm List, Alarm History
Reference: In the case described above, both "image/library display" and "screen change-
[Restrictions]
(3) In case multiple messages are displayed, pressing another message will
cause it to be displayed in reverse video, and the corresponding image/library
data will be displayed.
PROCESS 3 STOPPED
WATER TANK OVERHEATING
(4) When a message displayed in reverse video is pressed again, the display will
switch to the screen with the set screen number.
over" functions are set. The operation when a touch switch is pressed is deter-
mined as follows in accordance with these settings.
Image/library Image/library Screen Screen
display changeover
Not set Not set
Not set Set
Set Not set
Set Set
S A combined total of up to 4 alarm lists and alarm histories can be displayed on
one screen. (Same for window screen) In the case of an overlapping screen
with 8 child screens, the maximum total is also 4.
S An alarm list/alarm history can display a maximum of 12 messages at the same
time.
S An alarm list can moniter bit memory fable in the range from No1 to No.1000.
(When "1000" is set for number of bit momony fable entries)
S The maximum number of data to be recorded with the alarm history is 250 for
order of occurrence, and 255 for order of frequency.
S When displaying image/library data with alarm list/alarm history elements, the
maximum simultaneous display restriction imposed on image and library data
applies. Therefore a maximum combined total of 256 image/library data used
for alarm lists/histories and image and library data used for other applications
can be displayed on one screen. For an overlapping screen comprising 8 child
screens, the maximum is 1024.
S If, when library data is displayed with an alarm list/history, the library data pro-
jects outside the image/library data display area, nothing is displayed. In the
case of image data, only the part inside the area is displayed.
S If no data is registered for the image/library code specified for use with an alarm
list/alarm history, nothing will be displayed.
Image/library data corresponding to the second alarm message
URGENT
Check the thermostat!
Touch switch
First time
No effect
Screen changeover
Image/library data display
Image/library data display
Section 7-11
It is also possible to set
correspondence between bit memory
tables and screen numbers. Here, if
the second alarm message is
pressed again, the corresponding
screen will be displayed.
Second time
No effect
–
No effect
Screen changeover
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