Emerson Micro Motion 2700 Configuration And Use Manual page 68

Configure process measurement
7.
8.
60
Restriction
The high and low limit alarms require the enhanced core processor.
Example: If Alarm Limit is set to 5%, Enable Temp High is checked, and the matrix is built
for a temperature range of 40 °F to 80 °F, an extrapolation alarm will be posted if
process temperature goes above 82 °F
Select the label that will be used for the concentration unit.
a. In Curve Specific Config, set Curve Configured to the matrix that you want to
configure.
b. Select the desired label from the Units list.
c. If you set Units to Special, enter the custom label.
Determine how the transmitter will obtain temperature data for the concentration
measurement calculations, and perform the required setup.
Option Setup
Temperature data a. Choose View > Preferences .
from the sensor
b. Disable Use External Temperature.
A user-configured a. Choose View > Preferences .
static temperature
b. Enable Use External Temperature.
value
c. Choose ProLink > Configuration > Temperature.
d. Set External Temperature to the value to be used.
Polling for tempera- a. Ensure that the primary mA output has been wired to support
ture
b. Choose View > Preferences .
c. Enable Use External Temperature.
d. Choose ProLink > Configuration > Polled Variables.
e. Choose an unused polling slot.
f. Set Polling Control to Poll As Primary or Poll as Secondary, and click
g. Set External Tag to the HART tag of the external temperature de-
h. Set Variable Type to External Temperature.
Tip
•
•
HART polling.
Apply.
vice.
Poll as Primary: No other HART masters will be on the network.
Poll as Secondary: Other HART masters will be on the network.
The Field Communicator is not a HART master.
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Micro Motion Model 2700 Transmitters with Analog Outputs