Emerson Micro Motion Configuration And Use Manual

Important
Line pressure data is used in several different measurements and calculations. The transmitter stores
only one pressure value, which may be either the external pressure or the configured fixed value.
Accordingly, if you choose a fixed pressure for some uses, and an external pressure for others, the
external pressure will overwrite the fixed value.
Prerequisites
If you plan to poll an external device, the primary mA output must be wired to support
HART communications.
You must be using gauge pressure.
The pressure device must use the pressure unit that is configured in the transmitter.
If you are using an external temperature device, it must use the temperature unit that is
configured in the transmitter.
Procedure
1. Choose the method to be used to supply temperature data, and perform the
required setup.
Method Description Setup
Internal tempera-
ture
Temperature data from the on-
board temperature sensor
(RTD) will be used for all meas-
urements and calculations. No
external temperature data will
be available.
a. Choose Configure > Manual Setup > Measurements > External Inputs
> Temperature.
b. Set External Temperature to Disable.
Polling The meter polls an external de-
vice for temperature data. This
data will be available in addi-
tion to the internal tempera-
ture data.
a. Choose Configure > Manual Setup > Measurements > External Inputs
> Temperature.
b. Set External Temperature to Enable.
c. Choose Configure > Manual Setup > Inputs/Outputs > External Device
Polling.
d. Choose an unused polling slot.
e. Set Poll Control to Poll as Primary or Poll as Secondary.
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 net-
work. The Field Communicator is not a
HART master.
f. Set External Device Tag to the HART tag of the external tem-
perature device.
g. Set Polled Variable to Temperature.
Configure process measurement
44 Micro Motion
®
Fork Density Meters (FDM)

Emerson Micro Motion Specifications

General

Category	Measuring Instruments
Manufacturer	Emerson
Brand	Micro Motion
Type	Coriolis Flow Meter
Output	4-20 mA, HART, Foundation Fieldbus, Profibus, Modbus
Power Supply	24 V DC
Material	Stainless Steel, Hastelloy
Process Connection	Flanged, Threaded
Certifications	ATEX, IECEx, CSA, SIL
Pressure Rating	Varies by model; up to 10, 000 psi (690 bar)
Temperature Range	Varies by model; -400 to 750°F (-240 to 400°C)