Options For Pressure Measurement Unit - Emerson Micro Motion 2700 Configuration And Use Manual

Postrequisites
If you are using an external pressure value, verify the setup by choosing Service Tools >
Variables > External Variables and checking the value displayed for External Pressure.
4.9.3

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.
Unit description
Feet water @ 68 °F
Inches water @ 4 °C
Inches water @ 60 °F
Inches water @ 68 °F
Millimeters water @ 4 °C
Millimeters water @ 68 °F
Millimeters mercury @ 0 °C
Inches mercury @ 0 °C
Pounds per square inch
Configuration and Use Manual
Option Setup
Polling for pressure a. Ensure that the primary mA Output has been wired to support
b. Choose Online > Configure > Manual Setup > Measurements >
c. Set Poll Control to Poll As Primary Host or Poll as Secondary Host.
d. Choose an unused polling slot.
e. Set External Tag to the HART tag of the external pressure device.
f. Set Polled Variable to Pressure.
Tip
•
•
A value written by a. Set Pressure Unit to the desired unit.
digital communica- b. Perform the necessary host programming and communications
tions
Display
FTH2O
INW4C
INW60
INH2O
mmW4C
mmH2O
mmHG
INHG
PSI
HART polling.
External Pressure/Temperature > External Polling .
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.
setup to write pressure data to the transmitter at appropriate in-
tervals.
Label
ProLink III
Ft Water @ 68°F
In Water @ 4°C
In Water @ 60°F
In Water @ 68°F
mm Water @ 4°C
mm Water @ 68°F
mm Mercury @ 0°C
In Mercury @ 0°C
PSI
Configure process measurement
Field Communicator
ftH2O
inH2O @4DegC
inH2O @60DegF
inH2O
mmH2O @4DegC
mmH2O
mmHg
inHG
psi
65