Option Description Setup
Polling The meter polls an external
device for % N2 data.
a. Set % N2 Source to Poll for External Value.
b. Set Polling Slot to an available slot.
c. Set Polling Control to Poll as Primary or Poll as Secondary.
d. Set External Device Tag to the HART tag of the % N2
measurement device.
Digital
communications
A host writes % N2 data to the
meter at appropriate intervals.
a. Set % N2 Source to Fixed Value or Digital Communications.
b. Perform the necessary host programming and
communications setup to write % N2 data to the meter at
appropriate intervals.
Fixed value The configured fixed value is
used.
a. Set % N2 Source to Fixed Value or Digital Communications.
b. Set % N2 (Fixed) to the desired value, in % by volume.
6. Set % H2 Source to the method you will use to supply % H2 data, and perform the required setup.
Option Description Setup
Polling The meter polls an external
device for % H2 data.
a. Set % H2 Source to Poll for External Value.
b. Set Polling Slot to an available slot.
a. Set Polling Control to Poll as Primary or Poll as Secondary.
b. Set External Device Tag to the HART tag of the % H2
measurement device.
Digital
communications
A host writes % H2 data to the
meter at appropriate intervals.
a. Set % H2 Source to Fixed Value or Digital Communications.
b. Perform the necessary host programming and
communications setup to write % H2 data to the meter at
appropriate intervals.
Fixed value The configured fixed value is
used.
a. Set % H2 Source to Fixed Value or Digital Communications.
b. Set % H2 (Fixed) to the desired value, in % by volume.
7. Optional: To configure Volume Flow (External) and Mass Flow (Calculated):
a) Set Energy Flow Units to the unit to be used to measure energy flow.
b) Set Mass Flow (Calculated) to Enabled.
c) Set Standard Volume Flow Rate Units to the units used by the external volume measurement
device
d) set Volume Flow Source to the method you will use to supply volume flow data, and perform
the required setup.
Configuration and Use Manual Configure process measurement using ProLink III
MMI-20020954 March 2021
Configuration and Use Manual 61
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