Method Description Setup
Polling The meter polls an
external device for
pressure data.
a. Choose Menu → Configuration → Process Measurement → Pressure →
External Pressure.
b. Set External Pressure to On.
c. Choose Poll External Device.
d. Select Polled Variable 1 or Polled Variable 2.
e. Set Variable to External Pressure.
f. Set Polling Control to Poll as Primary or Poll as Secondary.
Option Description
Poll as Primary No other HART
®
masters will be on the
network. A field communicator is not a HART
master.
Poll as Secondary Other HART masters will be on the network. A
field communicator is not a HART master.
g. Set External Device Tag to the HART tag of the external pressure device.
Digital
communications
A host writes pressure
data to the meter at
appropriate intervals.
a. Choose Menu → Configuration → Process Measurement → Pressure →
External Pressure.
b. Set External Pressure to On.
c. Perform the necessary host programming and communications setup
to write pressure data to the transmitter at appropriate intervals.
Postrequisites
Choose Menu → Service Tools → Service Data → View Process Variables and verify the values for External
Temperature and External Pressure.
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.
5.1.2 Set up the API Referral application using ProLink III
Enable the API Referral application using ProLink III
Prerequisites
The API Referral application must be licensed and enabled on your transmitter before you can perform any
setup. If the API Referral application was enabled at the factory, you do not need to enable it now.
Procedure
1. Choose Device Tools → Configuration → Process Measurement → Flow and ensure that Volume Flow
Type is set to Liquid Volume.
Configure process measurement applications Configuration and Use Manual
May2024 MS-00809-0200-1600
50 Emerson.com
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