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Option Description
Poll as Primary No other HART masters will be on the network. The
Field Communicator is not a HART master.
Poll as Secondary Other HART masters will be on the network. The
Field Communicator is not a HART master.
d. Set External Device Tag to the HART tag of the external pressure device.
e. Set Polled Variable to Pressure.
Postrequisites
To view the current pressure value, choose Service Tools > Variables > External Variables. Verify
that the value is correct.
Need help? If the value is not correct:
• Ensure that the external device and the meter are using the same measurement unit.
• For polling:
- Verify the wiring between the meter and the external device.
- Verify the HART tag of the external device.
• For digital communications:
- Verify that the host has access to the required data.
- Verify that the host is writing to the correct register in memory, using the correct data
type.
• If necessary, apply an offset.
Related information
Set up the API referral application
4.5.3 Options for Pressure Measurement Unit
The transmitter provides a standard set of measurement units for Pressure Measurement Unit.
Different communications tools may use different labels for the units. In most
applications, Pressure Measurement Unit should be set to match the pressure measurement
unit used by the remote device.
Options for Pressure Measurement UnitTable 4-3:
Unit description
Label
Display ProLink III Field Communicator
Feet water @ 68 °F FTH2O Ft Water @ 68°F ftH2O
Inches water @ 4 °C INW4C In Water @ 4°C inH2O @4DegC
Inches water @ 60 °F INW60 In Water @ 60°F inH2O @60DegF
Inches water @ 68 °F INH2O In Water @ 68°F inH2O
Configure process measurement
34 Micro Motion
®
Fork Viscosity Meters (FVM)