Method
Description
Setup
Digital
communications
A host writes temperature data
to the meter at appropriate
intervals. This data will be
available in addition to the
internal RTD temperature data.
a. Choose
Configure
>
Manual Setup
>
Measurements
>
Optional Setup
>
External Variables
.
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.
2. Choose the method to be used to supply temperature data, and perform the required setup.
Method
Description
Setup
Internal RTD
temperature data
Temperature data from the on-
board temperature sensor
(RTD) is used.
a. Choose
Configure
>
Manual Setup
>
Measurements
>
Optional Setup
>
External Pressure/Temperature
>
Temperature
.
b. Set
External Temperature
to Disable.
Polling
The meter polls an external
device for temperature data.
This data will be available in
addition to the internal RTD
temperature data.
a. Choose
Configure
>
Manual Setup
>
Measurements
>
Optional Setup
>
External Pressure/Temperature
>
Temperature
.
b. Set
External Temperature
to Enable.
c. Choose
Configure
>
Manual Setup
>
Measurements
>
Optional Setup
>
External Pressure/Temperature
>
External Polling
.
d. 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.
e. Choose an unused polling slot.
f. Set
External Device Tag
to the HART tag of the external
temperature device.
g. Set
Polled Variable
to Temperature.
Configure process measurement applications
Configuration and Use Manual
March 2019
MMI-20025166
88
Micro Motion Model 5700 Transmitters with Configurable Outputs