ABB SM1000 User Manual page 69

...4.6.4 Alarm Configuration
Note. The Alarm Configuration tabs are displayed only if 'Source ID' for the Recording Channel is set to an analog signal
source – see Section 4.6.1.
Set the alarm type:
High/Low process
High/Low latch
High/Low annunciate
Fast/Slow rate
Delayed High/Low process – see Fig. 4.16
Enter an Alarm Tag to identify the alarm when it is displayed
in the Chart, Process and Alarm Event views (20 characters
max.).
Note. Process and Latch alarms only – see Figs. 4.12 and 4.13.
Set the value, in engineering units, at which the alarm is to
activate.
Set the hysteresis value in engineering units and the time
hysteresis in seconds.
Process Variable
High Trip
Low Trip
When an alarm trip value is exceeded, the alarm does not
become active until the time hysteresis value has expired. If
the signal goes out of the alarm condition before the time
hysteresis has expired, the hysteresis value is reset.
Note. Annunciate alarms only – see Fig. 4.14.
Set the value, in engineering units, at which the alarm is to
activate.
Set the time hysteresis in seconds.
4 CONFIGURATION...
– see Fig. 4.12
– see Fig. 4.13
– see Fig. 4.14
– see Fig. 4.15
Hysteresis
Trip Point
Hysteresis
Alarm On
Alarm Off
Alarm On
Alarm Off
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