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OPERATION
6
Function
C1 Process
C1.10 Operating Values
C1.10.1 Oper. Temperature
C1.10.2 Oper. Pressure
C1.10.3 Oper. Density
C1.10.4 Min/Max Oper. Dens.
C1.10.4.1 Function
C1.10.4.2 Min. Oper. Density
C1.10.4.3 Max. Oper. Density
C1.11 Normal Values
C1.11.1 Norm. Temperature
C1.11.2 Norm. Pressure
C1.11.3 Norm. Density
C1.12 Heater/Cooler
Table 6-26: Menu description C1
Function
C2 Output
C2.1 Current Output
C2.1.1 Current Out. Meas.
C2.1.2 0% Range
C2.1.3 100% Range
C2.1.4 Lower Ext. Range
C2.1.5 Upper Ext. Range
80
Setting / Description
Operating values are pre-set according to the application data; value can be adjusted
subsequently, if required.
Enter value in selected temperature unit.
Enter value in selected pressure unit.
Enter value in selected density unit.
Minimum and maximum operating densities are defined by the nominal diameter and
the operating density as standard. By activating this function, deviating values for the
minimum and maximum operating densities can be defined.
Select: On / Off
If function = "On", min./max. operating density can be defined in C1.10.4.2 and C1.10.4.3
Enter value for minimum operating density in selected density unit.
Enter value for maximum operating density in selected density unit.
Standard system values are pre-set according to the application data, if applicable.
Standard system can be changed by changing values in C1.11.1 to C1.11.3.
Enter value in selected temperature unit.
Enter value in selected pressure unit.
Enter value in selected density unit.
In net heat measurement applications this functionality monitors "Temp. Source 1"
(C1.6.1) and "Temp. Source 2" (C1.6.2) and triggers a NE 107 status message type C in
case of temperature incongruity.
Select:
- Heater: status message is triggered in case of "Temp. Source 1" < "Temp. Source 2"
- Cooler: status message is triggered in case of "Temp. Source 1" > "Temp. Source 2"
- Don't care: functionality is deactivated
Setting / Description
2-wire current output 4..20 mA (for details refer to
Determination of measurement variable for current output. Measurement variable for
current output is pre-set according to application data.
Select: Volume Flow / Norm. Volume Flow / Mass Flow / Density / Temperature1 /
Pressure / Vortex Frequency / Velocity / Gross Power / Net Power / FAD
The latter three measurement variables are just available if the respective meter type
option was activated.
The set value represents the 4 mA value of the current output. Usually 0% of flow is set
as 4 mA, but it is also possible to assign higher flow values than 4 mA.
The set value represents the 20 mA value of the current output. Usually 100% of flow is
set as 20 mA, but it is also possible to assign lower flow values than 20 mA.
Minimum limit of current value. Pre-set value is 4 mA.
Enter: 3.8...4 mA
Condition for value < 4 mA: Measurement value at 4 mA must not be smaller or equal to
0%.
Maximum limit of current value. Pre-set value is 20 mA.
Enter: 20...20.5 mA
Condition for value > 20 mA: Measurement value at 20 mA must not be greater or equal
to 100%.
www.siemens.com/flow
SITRANS FX330
Technical data
on page 102)
05/2019 - A5E36751269-AE
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