Alarm Acknowledgment By Priority - Siemens SIMATIC PCS 7 OSx Operator's Manual

Alarm Notification and Acknowledgment (continued)
Previous Task:
Operator
Notified
of Alarm
Previous Task
Operator
Silences
Alarm
Previous Task:
Operator Checks
Alarm Group
Importance List
Previous Task:
Operator Checks
Alarm Summary
Current Task:
Operator
Acknowledges
Alarm
5-6
Alarms
Acknowledgment from Alarm Summary Priority levels determine the
method an operator must use to acknowledge alarms from the Alarm
Summary. Table 5-2 indicates the acknowledgment procedure required for
each alarm priority level.
Table 5-2 Alarm Acknowledgment by Priority
Priority
Critical
Warning
Information
Maintenance
The alarm information and alarm icon remain on the screen until the
following actions are taken.
1. The operator corrects the alarm condition.
2. The operator acknowledges the alarm on the Alarm Summary.
To acknowledge alarms from the Alarm Summary, the operator can
either click the alarm summary message line or press
operator keyboard.
The alarm icon at the bottom of the screen continues to blink until all
critical and warning alarms are acknowledged
the screen only when all critical, warning, and information alarms clear the
system and process conditions return to normal.
Acknowledgment
One-by-one
All at once
None — listed in the Alarm Summary
None — recorded in Alarm Log
(Figure
Figure 5-4 Alarm Icon
SIMATIC PCS 7 OSx 4.1.2 Operator
on the
Alarm Ack
5-4). The icon leaves