Emerson Micro Motion 5700 Configuration And Use Manual page 67

Configuration and Use Manual
MMI-20025166
Method Description
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.
2. (A, B, C, and D tables only) Choose the method to be used to supply pressure data, and perform the
required setup.
Method Description
Polling The meter polls an external
device for pressure data.
Configuration and Use Manual
Configure process measurement applications
Setup
a. Choose Configure > Manual Setup > Measurements >
Optional Setup > External Variables > External
Temperature.
b. Set Temperature Compensation to Enable.
c. Perform the necessary host programming and
communications setup to write temperature data to the
meter at appropriate intervals.
Setup
a. Choose Configure > Manual Setup > Measurements >
Optional Setup > External Pressure/Temperature >
Pressure.
b. Set Pressure Compensation to Enable.
c. Choose Configure > Manual Setup > Measurements >
Optional Setup > External Pressure/Temperature >
External 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
network. The Field Communicator is
not a HART master.
f. Set External Device Tag to the HART tag of the external
pressure device.
g. Set Polled Variable to Pressure.
March 2019
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