34 CI/FSS/FSV430/450-EN Rev. D | SwirlMaster FSS430, FSS450 VortexMaster FSV430, FSV450
Operating mode /
(order code)
Description Additional parameters required Parameter setting
Gas Std/Norm Vol. /
NG2
Standard volume flow
Operating pressure
3) 5)
Via analog input:
Input/Output / Field Input / Analog In Value ->
Pressure
Via HART input:
Input/Output / Field Input / Hart In Value ->
Pressure
Default setting for the pressure value:
Device Setup / Plant/Customized /
Compensation Setting -> Preset Pressure
Operating temperature
3) 5)
With internal temperature sensor.
No information required, the measured value
from the temperature sensor is used.
Default setting for the temperature value:
Device Setup / Plant/Customized /
Compensation Setting -> Preset Int.Temp
Reference compression factor in the
normal condition
(AGA / SGERG only)
Adjustment via DTM/EDD
7)
Operating compression factor Adjustment via DTM/EDD
7)
Gas Mass (reference
density) / NG3
Gas mass flow, calculated using
the reference density
Reference pressure and reference
temperature in the normal condition
Device Setup / Plant/Customized / Gas Ref.
Conditions
Reference density Device Setup / Plant/Customized / Gas Ref.
Conditions, as a selection for "Ref. Density "
Gas Mass (actual
density) / NG3
Gas mass flow, calculated using
the actual density
Operating density
2) 3)
Via analog input:
Input/Output / Field Input / Analog In Value ->
Density
Via HART input:
Input/Output / Field Input / Hart In Value ->
Density
Default setting for the density:
Device Setup / Plant/Customized /
Compensation Setting -> Preset Density
2) The highest priority of the device is to record the density via the analog input, as long as the analog input is activated as a density input. If the analog input is not
available as a density input, the system attempts to record the density via the HART input. If both the analog input and the HART input are deactivated as a density
input, the system uses the default density value.
3) The connection via the analog input or HART input is described in the chapter titled „Electrical connections“ on page 21.
5) The highest priority of the device is to record the temperature via the analog input, as long as the analog input is activated as a temperature input. If the analog input is
not available as a temperature input, the system attempts to record the temperature via the HART input. If both the analog input and the HART input are deactivated
as a temperature input, the system uses the default density value.
7) If the selection "Gas linear." is set for the menu item Device Setup / Plant/Customized -> Gas Std. Mode, the compression factor is reset to 1.0. See also the chapter
titled "Special operating modes" in the operating instruction.
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