Emerson Micro Motion 5700 Configuration And Use Manual page 61

Configuration and Use Manual
MMI-20025166
Option Description
Polling The meter polls an external
device for temperature data.
This data will be available in
addition to the internal RTD
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 RTD temperature data.
3. (A, B, C, and D tables only) Choose the method you will use to supply pressure data, and perform the
required setup.
Configuration and Use Manual
Configure process measurement applications
Setup
a. Set Line Temperature Source to Poll for External Value.
b. Set Polling Slot to an available slot.
c. 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.
d. Set External Device Tag to the HART tag of the
temperature device.
e. Click Apply.
a. Set Channel D to operate as an mA input.
b. Set mA Input Assignment to External Temperature.
c. Set Pressure Source to mA Input.
a. Set Line Temperature Source to Fixed Value or Digital
Communications.
b. Click Apply.
c. Perform the necessary host programming and
communications setup to write temperature data to the
meter at appropriate intervals.
March 2019
61