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Net Rate
Use Net Rate in a fashion similar to Gross Rate. The key difference between
Gross Rate and Net Rate is that Net Volume also uses a user-defined
compensation factor (that is, AGA 7 or Logix compensation) to convert net
counts to net rate units.
Prover Status
Prover Status notifies you of these prover states:
•
Prover not active
•
Prover waiting for 1st start
•
Prover waiting for 1st stop
•
Prover waiting for 2nd start
•
Prover waiting for 2nd stop
•
Prover complete
Alarms with the Prover Function
The module offers these alarms when operating with the prover function:
•
Overflow Alarm
•
Overrange Alarm
•
Overspeed Alarm
•
Acceleration Alarm
You must enable each alarm. When any of the alarms occur, it is latched and
remains on until you reset the alarm. (Toggle the alarm enable bit to reset the
alarm.)
Sample Configuration for Totalizer Mode Prover Function
To see a sample configuration for a 1756-CFM module using Totalizer mode
prover function, including the use of all the features mentioned in the previous
section, see
page
91.
Rockwell Automation Publication 1756-UM010C-EN-P - June 2021
Chapter 3
Configurable Flowmeter Module Features and Operational Modes
43
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