Siemens SIMATIC PCS 7 OSx - Alarm Acknowledgment by Priority

Alarms5-6 SIMATIC PCS 7 OSx 4.1.2 Operator
Alarm Notification and Acknowledgment (continued)
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 Acknowledgment
Critical One-by-one
Warning All at once
Information None — listed in the Alarm Summary
Maintenance None — recorded in Alarm Log
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
Alarm Ack on the
operator keyboard.
The alarm icon at the bottom of the screen continues to blink until all
critical and warning alarms are acknowledged (Figure 5-4). The icon leaves
the screen only when all critical, warning, and information alarms clear the
system and process conditions return to normal.
Figure 5-4 Alarm Icon
Operator Checks
Alarm Group
Importance List
Operator
Silences
Alarm
Previous Task:
Operator
Notified
of Alarm
Previous Task
Previous Task:
Operator Checks
Alarm Summary
Previous Task:
Operator
Acknowledges
Alarm
Current Task: