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Option Setup
Polling for tempera-
ture
a. Ensure that the primary mA output has been wired to support
HART polling.
b.
Choose View > Preferences .
c. Enable Use External Temperature.
d. Choose ProLink > Configuration > Polled Variables.
e. Choose an unused polling slot.
f. Set Polling Control to Poll As Primary or Poll as Secondary, and click
Apply.
g. Set External Tag to the HART tag of the external temperature de-
vice.
h. Set Variable Type to External Temperature.
Tip
• Poll as Primary: No other HART masters will be on the network.
• Poll as Secondary: Other HART masters will be on the network.
The Field Communicator is not a HART master.
A value written by
digital communica-
tions
a. Choose View > Preferences .
b.
Enable Use External Temperature.
c. Perform the necessary host programming and communications
setup to write temperature data to the transmitter at appropri-
ate intervals.
Note
If the Weights & Measures application is implemented and the trans-
mitter is secured, digital communications cannot be used to write
temperature data to the transmitter.
4.7.2 Configure petroleum measurement using ProLink III
1. Choose Device Tools > Configuration > Process Measurement > Petroleum Measurement.
2. Specify the API table to use.
a. Select the API table group from API Table Type.
b. Set Petroleum Measurement Units to the measurement units you want to use.
c. Click Apply.
These two parameters uniquely specify the API table.
3. If your API table is 53A, 53B, 53D, or 54C, set Reference Temperature to the appropriate
value for your application. Enter the value in °C.
4. If your API table is 6C, 24C, or 54C, set Thermal Expansion Coefficient to the appropriate
value for your application.
Configure process measurement
54 Micro Motion
®
Model 2700 Transmitters with Analog Outputs