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Section 2 NS Series Functions 2-14 Alarms and Events
2-314
NS Series Programming Manual
2-14-3 Alarm/Event Summary and History
Alarm/event summary/history objects are functional objects that display the current recorded alarm or
event messages as a list. The display order can be specified, e.g., by date, by priority level, and by fre-
quency.
Alarm 1
Alarm 2
•
•
•
•
Event A
Event B
Registered alarm/event list
Alarm/event generated
Summary
display
Message
Date and time restored
Date and time generated
The display is refreshed every time an alarm or event specified for display is generated or reset. The
refreshed display will be in the set display order.
N
N
N
o
o
o
t
t
t
e
e
e
♦
Sometimes not all information can be displayed on the screen, depending on the set number of
message characters or display items.
When a displayed alarm or event is selected with the NS15, NS12, NS10, or NS8, the Ladder Monitor
will start, and the communications address set for the selected alarm or event can be searched for.
The Ladder Monitor will automatically find the program section from which the alarm or event is output.