Set Up Alarms Page - ABB COMMANDER 300 Programming Manual

4.11 Set Up Alarms Page

Information.
• Ten alarms – identified A to K.
• Three operator acknowledge options.
• Global alarm acknowledgment by digital input, alarm, logic equation result or real time
event (if option fitted).
• High/low process alarms.
• High/low output alarms.
• High/low deviation alarms.
• Fast/slow rate of change of process variable alarms.
• Adjustable hysteresis value to prevent oscillation of alarm state.
Process Variable
High
Process
Low
Process
Control
Output
High Output
Low Output
Fig. 4.9 High and Low Process with Hysteresis
Fig. 4.10 High and Low Output with Hysteresis
4 CONFIGURATION
Hysteresis
Trip Point
Hysteresis
Alarm On
Alarm Off
Alarm On
Alarm Off
Hysteresis
Trip Point
Hysteresis
Alarm On
Alarm Off
Alarm On
Alarm Off
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