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Reference Manual
00809-0100-4021, Rev DA
November 2004
Rosemount 3144P
3-6
HART
CHECK OUTPUT Before performing other transmitter online operations, review the
configuration of the 3144P digital output parameters to ensure that the
transmitter is operating properly.
Process Variables
The 3144P process variables provide the transmitter output. The PROCESS
VARIABLE menu displays the process variables, including sensed
temperature, percent range, and analog output. These process variables are
continuously updated. The primary variable is 4–20 mA analog signal.
AMS
Right click on the device and select “Configuration Properties” from the
menu. Select the Analog Output tab to review the transmitter Analog
Output Range.
CONFIGURATION The 3144P must be configured for certain basic variables to operate. In many
cases, these variables are pre-configured at the factory. Configuration may be
required if the configuration variables need revision.
Variable Mapping
The Variable Mapping menu displays the sequence of the process variables.
Select 5 Variable Re-Map to change this configuration. With the 3144P single
sensor input configuration, screens follow that allow selection of the primary
variable (PV) and the secondary variable (SV). When the Select PV screen
appears Snsr 1 or terminal temperature must be selected.
With the 3144P dual-sensor option configuration, screens follow that allows
selection of the primary variable (PV), secondary variable (SV), tertiary
variable (TV), and quaternary variable (QV). Variable choices are Sensor 1,
Sensor 2, Differential Temperature, Average Temperature, First-Good
Temperature, Terminal Temperature, and Not Used. The primary variable is
the 4–20 mA analog signal.
AMS
Right click on the device and select “Configuration Properties” from the
menu. Select the Analog Output tab to review the Mapped Variable
Output.
Apply changes made (see “Apply AMS Changes” on page 3-5).
Sensor Configuration
Sensor configuration contains information for updating the sensor type,
connections, units, and damping.
HART Fast Keys 1, 1
HART Fast Keys 1, 3, 1
HART Fast Keys 1, 3, 2