Emerson Micro Motion 5700 Configuration And Use Manual page 77

Configuration and Use Manual
MMI-20025166
Method Description
Polling The meter polls an external
device for temperature data.
This data will be available in
addition to the internal
temperature data.
mA Input An external device sends
temperature data to the meter
via the mA Input. This data will
be available in addition to the
internal temperature data.
Digital A host writes temperature data
communications to the meter at appropriate
intervals. This data will be
available in addition to the
internal temperature data.
Postrequisites
Choose Menu > Service Tools > Service Data > View Process Variables and verify the value for External
Temperature.
Configuration and Use Manual
Configure process measurement applications
Setup
a. Choose Menu > Configuration > Process Measurement >
Temperature.
b. Set External Temperature to On.
c. Choose Poll External Device.
d. Select Polled Variable 1 or Polled Variable 2.
e. Set Variable to External Temperature.
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
temperature device.
a. Choose Menu > Configuration > Process Measurement >
Temperature.
b. Set External Temperature 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 Temperature.
h. Set Lower Range Value and Upper Range Value
appropriately.
a. Choose Menu > Configuration > Process Measurement >
Temperature.
b. Set External Temperature to On.
c. Perform the necessary host programming and
communications setup to write temperature data to the
transmitter at appropriate intervals.
March 2019
77