Omron NT31 Operation Manuals page 307

Memory Tables
Reference
296
S Operation when using the alarm list/history function
The operation when using the alarm list/history function is as follows.
- For the alarm list function, display is in ascending order of bit memory table
numbers. For the alarm history function display is in occurrence order (from
newest record/from oldest record) or frequency order.
- With the alarm list function, when the host bit to which the bit memory table is
allocated returns to "0" (OFF) during display, the message and image/library
data is automatically cleared.
(1) When the status of a bit memory table changes to "1" (ON), the contents of the
set character string memory table are displayed as a message.
Contents of character string memory table set
for the bit memory table whose status has
changed to "1" (ON).
PROCESS 3 STOPPED
WATER TANK OVERHEATING
(2) Each message area is a touch switch and pressing a message displays the
set image/library data. At the same time, the pressed message is displayed in
reverse video.
PROCESS 3 STOPPED
WATER TANK OVERHEATING
(3) In case multiple messages are displayed, pressing another message will
cause the newly pressed one to be displayed in reverse video, and the corre-
sponding 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.
If an alarm list with multiple lines is
created, alarms are displayed in
ascending order of bit memory table
numbers.
If the bit memory tables are set in
ascending order of priority, the display
will also be arranged in accordance
with the order of priority.
Image/library data corresponding to the first alarm message
The alarm list is composed of
touch switches. When a displayed
alarm message is pressed, the
corresponding image/library data
FAULT
is displayed. The pressed alarm
message is displayed in reverse
video.
Process 3 stopped by fault.
Check DM2500.
Image/library data corresponding to the second alarm message
It is also possible to set
correspondence between bit memory
tables and screen numbers. Here, if
the second alarm message is
URGENT
pressed again, the corresponding
screen will be displayed.
Check the thermostat!
Section 7-3