•
The two-phase flow alert is deactivated, but remains in the active alert log until it is
acknowledged.
If the two-phase flow condition does not clear before Two-Phase Flow Timeout expires, the
outputs that represent flow rate report a flow rate of 0.
If Two-Phase Flow Timeout is set to 0.0 seconds, the outputs that represent flow rate will
report a flow rate of 0 as soon as two-phase flow is detected.
4.5.3
Configure Density Damping
ProLink III
Device Tools > Configuration > Process Measurement > Density
Field Communicator Configure > Manual Setup > Measurements > Density > Density Damping
Overview
Density Damping controls the amount of damping that will be applied to the line density
value.
Damping is used to smooth out small, rapid fluctuations in process measurement.
Damping Value specifies the time period (in seconds) over which the transmitter will
spread changes in the process variable. At the end of the interval, the internal value will
reflect 63% of the change in the actual measured value.
Procedure
Effect of Density Damping on volume measurement
Density Damping affects liquid volume measurement. Liquid volume values are calculated
from the damped density value rather than the measured density value. Density Damping
does not affect gas standard volume measurement.
Interaction between Density Damping and Added Damping
When the mA Output is configured to report density, both Density Damping and Added
Damping are applied to the reported density value.
Density Damping controls the rate of change in the value of the process variable in
transmitter memory. Added Damping controls the rate of change reported via the mA
Output.
If mA Output Process Variable is set to
Density
, and both Density Damping and Added
Damping are set to non-zero values, density damping is applied first, and the added
damping calculation is applied to the result of the first calculation. This value is reported
over the mA Output.
Configure process measurement
Configuration and Use Manual
41
Summary of Contents for Micro Motion 2500
Page 8: ...Contents vi Micro Motion Model 2500 Transmitters with Configurable Input Outputs ...
Page 10: ...Getting started 2 Micro Motion Model 2500 Transmitters with Configurable Input Outputs ...
Page 18: ...Quick start 10 Micro Motion Model 2500 Transmitters with Configurable Input Outputs ...
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