126 SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
… 9 Operation
… Parameter descriptions
Totalizer / ...FillMass /
...Quantity
Selection of overrun correction.
Closing the fill valve takes some time and as a consequence more liquid is added, even
though the fill quantity is reached
and the contact for closing the valve is actuated.
Auto: The overrun quantity is calculated by the transmitter automatically.
—Manual: The overrun quantity must be determined manually and entered in the selected unit via the parameter ‘Quantity’.
Manual input of the overrun quantity / display of the overrun quantity detected automatically by the transmitter.
Sets the weighting of the last filling process during automatic calculation of the overr
un quantity.
The calculation is based on the following formula:
New correction value = last correction value + (
Factor x correction value during the last fill operation)
0.0: No change to correction value.
— 1.0: The correction value is immediately adjusted to the overrun quantity calculated during the last fill operation.
Sets the time for the overrun quantity correction after the fill valve is closed.
Software history
In accordance with NAMUR recommendation NE53, ABB offers a transparent and traceable software history.
Device software package FMT430 / FMT450 (device firmware package)
Function extension and minor debugging
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