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SensyMaster FMT230, FMT250
THERMAL MASS FLOWMETER | OI/FMT230/250-EN REV. C
91
Modbus register
address
Parameter name
Data type [register length] /
value range
Description
… / ...FillMass / ...Lag Correction
These parameters are only available when the FillMass function is activated.
4107 Mode
TUSIGN8 [1]
0 - Manual
1 - Automatic
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.
• Automatic: 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.’
5049 Quantity
TFLOAT [2]
−
0.0 to 100.0
Manually sets the overrun quantity correction value in the selected unit.
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.
Only if the parameter ‘Mode’ has been set to 2 - Manual.
5047 Quantity
TFLOAT [2]
Read only or set to 0.0.
Output of the overrun quantity automatically calculated by the transmitter. Only
if the parameter ‘Mode’ has been set to 1 - Automatic.
5045 Factor
TFLOAT [2]
0.0 to 1.0
Factory setting: 0.25
Sets the weighting of the last filling process during automatic calculation of the
overrun 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.
5051 Time
TFLOAT [2]
0.1 to 10 s
Factory setting: 0.1 s
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 FMT2xx
Version
Issue date
Type of change
Description
Ordering number
01.00.07 28.08.2017
First
publication —
3KXF002045U0100_01.00.07
01.00.08 06.11.2018
Change
Minor
debugging
3KXF002045U0100_01.00.08
01.01.00 04.2020
Change
Function
extension
and minor debugging
3KXF002045U0100_01.01.00