Omron NT - SUPPORT TOOL FOR WINDOWS V4 Operation Manual page 424

Quick Reference
Item
PC (PLC)
To display an alarm mes-
Bit Status
sage according to the PC
Display (PLC) bit status
To display alarm related
information (details and
corrective action) by
touching an alarm mes-
sage
To store the ON/OFF sta-
tus of a PC (PLC) bit as a
history and check the his-
tory on the screen
Operation
(1) [Tools] [Table] [Bit Memory]
Allocate the PC (PLC) bit and a character string
memory table entry (string table) (storing an alarm
message) to the bit memory table entry.
(2) [Tools] [Table] [String]
Create the alarm message.
(3) [Objects] [Alarm]
Create the alarm list and specify the bit memory table
entry in the alarm area.
PT
Screen Character string
memory table
(String table)
Alarm
Alarm Alarm
1
2 1 Alarm
2
Alarm list Stores alarm messages
(1) [Tools] [Table] [String]
Create the alarm message.
(2) [Tools] [Image Editor] or [Library Editor]
Register the alarm related information (details and cor-
rective action).
(3) [Tools] [Table] [Bit Memory]
Allocate the PC (PLC) bit, a character string memory
table entry (string table) (storing an alarm message),
and image/library code to the bit memory table entry.
(4) [Objects] [Alarm]
Create the alarm list and specify the bit memory table
entry in the alarm area (set a check mark for image/li-
brary display in the alarm list properties.).
PT
Screen
Temp.
Alarm
(1) [Tools] [Table] [Bit Memory]
Click the [function] button and choose alarm function.
Allocate the PC (PLC) bit to the bit memory table entry.
Then, set a check mark in the [History] check box in
the function setting.
After that, select the message and the image/library
code to be displayed from the character string memory
table (string table) and the image/library table.
(2) [Objects] [Alarm]
Create the alarm history.
PT
Character string
Screen
memory table
(string table)
Alarm 1
Alarm 2
Alarm 1
Alarm history
[Alarm List]
PC (PLC)
Bit memory
table
Alarm
[List]
PC (PLC)
Screen
Temp.
Alarm
PLEASE CALL
No.0120
[History]
PC (PLC)
Bit memory
table
Alarm
Section 10-1
Refer to
7-4
7-3
6-3-1
7-3
8-1
8-2
7-4
6-3-1
7-4
6-3-2
413