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58 Model 2700 Transmitter with PROFIBUS-PA
Configuration
Figure 4-4 Setting the petroleum measurement table type
Setting the reference temperature
For the temperature value to be used in CTL calculation, you can use the temperature data from the
sensor, or you can configure external temperature compensation to use temperature data from an
external temperature device.
• To use temperature data from the sensor, no action is required.
• To configure external temperature compensation, see Section 2.8.
Setting the thermal expansion coefficient
If the CTL derivation method for the petroleum measurement table type is method 2, you need to set
the thermal expansion coefficient (TEC). To set a user-defined TEC, refer to the flowcharts in
Figure 4-5.
Figure 4-5 Setting a user-defined TEC
MMI Coriolis Flow >
Transducer Block >
API
API2540 CTL Table Type
Block: Transducer Block 2 (Slot 12)
Index 40 (API2540 CTL table type)
Table type
API Setup tab
Apply
ProLink >
Configuration
Select table type from the
API Table Type
list
EDD Bus parameters
ProLink II
EDD Bus parameters
ProLink II
MMI Coriolis Flow >
Transducer Block >
API
API Thermal Expansion
Coeff
Block: Transducer Block 2 (Slot 12)
Index 39 (API thermal expansion coeff.)
TEC
API Setup tab
Apply
ProLink >
Configuration
Enter a coefficient in the
User defined TEC box