Alarm Notification And Acknowledgment; Alarm Priority Indicators - Siemens SIMATIC PCS 7 OSx Operator's Manual

5.1

Alarm Notification and Acknowledgment

Current Task:
Operator
Notified
of Alarm
Next Task:
Operator
Silences
Alarm
Next Task:
Operator Checks
Alarm Group
Importance List
Next Task:
Operator Checks
Alarm Summary
Next Task:
Operator
Acknowledges
Alarm
5-2
Alarms
When a process upset occurs while the system is in the Operate state, the
operator receives both a visual and audible indication of the alarm at the
OSx station. A dual triangle symbol, an alarm icon, appears in the lower
right part of the screen, as shown in
audible alarm sounds.
The color coding of the alarm icon and the tonal quality of the audible alarm
indicate alarm priority.
abbreviations for each. Within the PCS 7 OSx system, critical is the highest
priority alarm, and maintenance is the lowest priority alarm.
Table 5-1 Alarm Priority Indicators
Alarm Priority
Critical (C)
Warning (W)
Information (I)
Maintenance (M)
File Controls Startup Data Tags Editors Help
Figure 5-1 Location of Alarm Icon
Figure 5-1. At the same time, an
Table 5-1 shows the default alarm priorities and the
Color Code
Black on Red
Black on Yellow
White on Blue
Printed Only
SIMATIC PCS 7 OSx 4.1.2 Operator
Alarm Tone
Rapid; high-pitched
Slow; low-pitched
None
None