Emerson Rosemount 3308A Reference Manual page 185

3308 series wireless guided wave radar
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Reference Manual
00809-0100-4308, Rev CA
Figure D-7. Signal Quality Alert
Limit
The Signal Quality value that will trigger the alert.
Deadband
An area of the Signal Quality range where no action occurs to prevent alert from activating/deactivating
too quickly.
High/low level alerts
High/Low Level Alerts are triggered when the level goes outside the user defined Limits. There are four
standard Level Alerts. Hi Level Alert and Hi-Hi Level Alert are used for rising levels, and Lo Level Alert and
Lo-Lo Level Alert are used for falling levels. See
Limit
The level value that will trigger the alert.
Note
Alert Limit values must be outside the Upper Null Zone, the Blind zones, and areas close to the Blind
Zones with reduced accuracy.
Deadband
An area of the Level range where no action occurs to prevent alert from activating/deactivating too
quickly.
Configuration Parameters
PRELIMINARY
Alert ON
TIME
Configuration Parameters
Deadband
Limit
Figure D-8
and
Figure D-9
for more information.
August 2017
173

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