Omron NT31C Reference Manual page 351

Using the Alarm List/History Function
Displaying the Alarm History Record from the System Menu
Setting
340
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 video
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 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 video
is disregarded.
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 con-
nected to the PT.
Display in The Order of Occurrence (NT31/NT31C Shown)
Display in The Order of Frequency (NT31/NT31C Shown)
When creating a screen using the Support Tool, set the following.
Bit Memory Table
Set as shown below by the number of bits in the host to be monitored (for infor-
mation not indicated below, set as needed.).
• Allocated bits:
Bits on the host to be monitored
• Function:
Alarm
• History:
Check mark set
• Switch Screen:
No check mark
• String Table Entry: Table No. (0 to 1999) of the character string memory table
to be displayed as a message
To display the alarm history in the order of occurrence, set the display order
(From Old Data/From New Data) of the record data using the Hist. Disp. Method
memory switch of the PT.
Section 3-8