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

Configure process measurement
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.
4.9.4

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.
74
Option Setup
A user-configured a. Set Pressure Unit to the desired unit.
static pressure val-
b. Set Compensation Pressure to the desired value.
ue
Polling for pressure a. Ensure that the primary mA output has been wired to support
b. Choose Online > Configure > Manual Setup > Measurements > External
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
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.
HART polling.
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.
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Micro Motion Model 2700 Transmitters with Analog Outputs