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Download Micro Motion® 9739 MVD Transmitters Configuration and Use Manual
Transcript
Configure process measurement Options for Temperature Measurement Unit are shown in Table 5-10 . Table 5-10 Options for Temperature Measurement Unit Label Description Display ProLink II Field Communicator Degrees Celsius °C degC degC Degrees Fahrenheit °F degF degF Degrees Rankine °R degR degR Kelvin °K degK Kelvin 5.7.2 Configure Temperature Damping Display Not available ProLink II ProLink→Configuration→Temperature→Temp Damping Field Communicator Configure→Manual Setup→Measurements→Temperature→Temp Damping Damping is used to smooth out small, rapid fluctuations in process measurement. The Damping Value specifies the time period (in seconds) over which the transmitter will spread changes in the reported process variable. At the end of the interval, the reported process variable will reflect 63% of the change in the actual measured value. Tips • A high damping value makes the process variable appear smoother because the reported value must change slowly. • A low damping value makes the process variable appear more erratic because the reported value changes more quickly. Procedure Enter the desired value for Temperature Damping. The default value is 4.8 seconds. The range is 0.0 seconds to 38.4 seconds. When you enter a value for Temperature Damping, the transmitter automatically rounds it down to the nearest valid value. Valid values for Temperature Damping are 0, 0.6, 1.2, 2.4, 4.8, … 38.4. Effect of Temperature Damping Temperature Damping affects the response speed for temperature compensation. Temperature compensation adjusts process measurement to compensate for the effect of temperature on sensor tube stiffness. Configuration and Use Manual 89
