Method
Description
Setup
Polling
The meter polls an external
device for pressure data.
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.
mA input
An external device sends
pressure data to the meter via
the mA input.
a. Choose
Configure
>
Manual Setup
>
Measurements
>
Optional Setup
>
External Pressure/Temperature
>
Pressure
.
b. Set
Pressure Compensation
to Enable.
c. Choose
Configure
>
Manual Setup
>
Inputs/Outputs
>
Channel D
.
d. Set
Assignment
to mA Input.
e. Choose
mA Input
>
mA Input Settings
.
f. Set
Var Assignment
to External Pressure.
g. Set
Upper Range Value
and
Lower Range Value
appropriately.
h. Set
Damping
appropriately.
Configuration and Use Manual
Measurement support
MMI-20025166
March 2019
Configuration and Use Manual
215