Omron NT620C, Руководство по эксплуатации

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4-11 Section Alarm List & History Display Functions
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4-11 Alarm List & History Display Functions
The NT620S/620C can monitor the state of PC contacts of the host and display
the corresponding message (using the character-string memory table) or image
library (alarm list display) when particular contact becomes “1” (ON).
The NT620S/620C can record that those contacts become “1” (ON) and also dis-
play them in the order of frequency or occurrence (alarm history display).
4-11-1 Alarm List Display
Alarm list display has the following functions.
Displaying the Message (Character-String Memory Table) and Image Library
The NT610C monitors multiple contacts according to the setting of the bit
memory table and displays the character-string memory table (message) set to
the corresponding bit memory table when there is any contact that becomes “1”
(ON). Since the display column of a message is also a touch switch, correspond-
ing image library can be displayed by pressing the message being displayed.
If the description of alarms is provided in the character-string memory table and
the corrective actions against those alarms are described in the image library, it is
possible to take appropriate measures rapidly.
•
To display multiple messages
When multiple contacts become “1” (ON), the bit memory table with smaller
table number is displayed preferentially.
When multiple messages can be displayed, the messages of higher priority
(smaller bit memory table number) will be displayed earlier.
The display column of message and the image library displayed correspond-
ingly are referred to as “Alarm Group” collectively. The NT620S/620C can dis-
play up to four individual alarm group in one screen and simultaneously show
up to the following messages in one alarm group.
NT620S: Max. 16 pcs.
NT620C: Max. 24 pcs.