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Special mode and process variable updatesTable 5-1:
Always polled and updated
Updated only when the petroleum
measurement application is disa-
bled Never updated
• Mass flow
• Volume flow
• Gas standard volume flow
• Density
• Temperature
• Drive gain
• LPO amplitude
• Status [contains Event 1 and Event
2 (basic events)]
• Raw tube frequency
• Mass total
• Volume total
• Gas standard volume total
• RPO amplitude
• Board temperature
• Core input voltage
• Mass inventory
• Volume inventory
• Gas standard volume inventory
All other process variables and calibra-
tion data. They retain the values held
at the time you enabled Special mode.
5.4.2 Configure Calculation Speed (Response Time)
Display (standard) Not available
Chinese-language
display
Not available
ProLink II ProLink > Configuration > Device > Response Time
ProLink III Device Tools > Configuration > Process Measurement > Response > Calculation Speed
Field Communicator Not available
Overview
Calculation Speed is used to apply a different algorithm to the calculation of process variables
from the raw process data. Calculation Speed = Special produces faster and “noisier” response
to changes in the process.
In ProLink II, Calculation Speed is called Response Time.
Restriction
Calculation Speed is available only on systems with the enhanced core processor.
Tip
You can use Calculation Speed = Special with either setting of Update Rate. The parameters control
different aspects of flowmeter processing.
Procedure
Set Calculation Speed as desired.
Configure device options and preferences
70 Micro Motion
®
Model 1700 Transmitters with Analog Outputs