Emerson Micro Motion 5700 Configuration And Use Manual page 57

Configuration and Use Manual
MMI-20025166
Method Description
Polling The meter polls an external
device for pressure data.
mA Input An external device sends
pressure data to the meter via
the mA Input.
Digital A host writes pressure data to
communications the meter at appropriate
intervals.
Postrequisites
Choose Menu > Service Tools > Service Data > View Process Variables and verify the values for External
Temperature and External Pressure.
Configuration and Use Manual
Configure process measurement applications
Setup
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. The Field Communicator is
not a HART master.
Poll as Secondary Other HART masters will be on the
network. The Field Communicator is
not a HART master.
g. Set External Device Tag to the HART tag of the external
pressure device.
a. Choose Menu > Configuration > Process Measurement >
Pressure > External Pressure.
b. Set External Pressure to On.
c. Choose Menu > Configuration > Inputs/Outputs > Channel
D.
d. Set I/O Type to MAI.
e. Set Power appropriately.
f. Choose I/O Settings.
g. Set Assignment to External Pressure.
h. Set Lower Range Value and Upper Range Value
appropriately.
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.
March 2019
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