ABB SM500F, User Manual

Page: 106 / 190

SM500F
Field mountable paperless recorder 7 Configuration
104 IM/SM500F Rev. Z
Note. The Alarm Configuration tabs are displayed only if 'Source ID' for the Recording Channel is set
to an analog signal source – see Section 7.8.1, page 93.
Set the alarm type:
High/Low process – see Fig. 7.11, page 100
High/Low latch – see Fig. 7.12, page 100
High/Low annunciate – see Fig. 7.13, page 101
Fast/Slow rate – see Fig. 7.14, page 102
Delayed high/low process – see Fig. 7.15, page 103
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 7.11 and 7.12, page
100.
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.
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. 7.13, page 101.
Set the value, in engineering units, at which the alarm is to activate.
Set the time hysteresis in seconds.
High Trip
Low Trip
Process Variable
Hysteresis
Hysteresis
Trip Point
Alarm On
Alarm Off
Alarm On
Alarm Off