ABB ScreenMaster RVG200 Operating Instructions Manual page 101

ScreenMaster RVG200
Paperless recorder
Note. The Alarm tabs are displayed only if Source ID for the Recording Channel is set to an analog
signal source – see Section 7.9.1, page 86.
Alarm A
Alarm type
Alarm tag
Note. The following parameters are applicable to process, latch and annunciate alarms only – see
Figs. 7.11 and 7.12, page 95 and Fig. 7.13, page 96.
Trip
Hysteresis *
*
Hysteresis
Time hysteresis
* Not applicable to annunciate alarms.
OI/RVG200-EN
Set the alarm type:
High / Low process
High / Low latch
High / Low annunciate
Fast / Slow rate
Delayed high / low process
Enter an Alarm Tag to identify the alarm when it is displayed in the Chart
views (if Chart Annotation is enabled – see pages 43 and 83) and Alarm
Event log (20 characters maximum).
Refer to Appendix F, page 180 for further information regarding character
use in tags.
Set the value, in engineering units, at which the alarm is to activate.
Set the hysteresis value in engineering units.
Set 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.
– see Fig. 7.11, page 95
– see Fig. 7.12, page 95
– see Fig. 7.13, page 96
– see Fig. 7.14, page 97
– see Fig. 7.15, page 98
7 Configuration
99