Emerson Rosemount 3051 Manual page 35

Manual
00809-0100-4007
.
NOTICE
Emerson does not recommend the loop integrity diagnostic for transmitters operating in
multidrop mode.
Loop integrity action
When the voltage deviation exceeds the set limit, you can configure three possible actions:
• Disable Diagnostic
• HART Status Alert
• Analog Output Alarm
The alert or alarm setting is unlatched. If the voltage deviation returns to within the
allowed voltage deviation limit due to changes in the loop characteristics, the alert will be
cleared from active alerts but will still appear in the diagnostic log.
Configure loop integrity diagnostic using a communication
device
Procedure
Go to Diagnostics → Alerts → Loop Integrity Diagnostic → Settings → Configure Loop
Integrity.
2.9.2 Configuring plugged impulse line diagnostic
The plugged impulse line diagnostics provides a means to detect plugged impulse lines
early.
The technology is based on the premise that all dynamic processes have a unique noise
or variation signature when operating normally. Changes in these signatures may signal
that a significant change will occur or has occurred in the process. The sensing of the
unique signature uses software in the electronics to compute statistical parameters that
characterize and quantify the noise or variation. These statistical parameters are the mean,
standard deviation, and coefficient of variation (ratio of standard deviation to mean) of the
input pressure.
The transmitter has a filtering capability to separate slow changes in the process due to set
point changes from the process noise or variation of interest.
Emerson.com/Rosemount
Configuration
March 2023
35