Setting Output Units - Emerson Rosemount 644 with HART Protocol Reference Manual

Configuration
July 2018
2.6.3

Setting output units

The Units can be configured for a number of different parameters in the Rosemount 644 Transmitter.
Individual Units can be configured for:
Sensor 1

Sensor 2

Terminal temperature

Differential temperature

Average temperature

First good temperature

Each of the base parameters and calculated outputs from those values can have a unit of measure
associated with it. Set the transmitter output to one of the following engineering units:
Celsius

Fahrenheit

Rankine

Kelvin

Ohms

Millivolts

Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
AMS Device Manager
1. Right click on the device and select Configure.
2. In the left navigation pane select Manual Setup. The unit fields for various variables are spread over
the Manual Setup tabs, click through the tabs and change the desired units.
3. Select Apply when complete.
LOI
Reference the below image for where to find the Units configuration in the LOI menu.
Figure 2-6. Configuring Units with LOI
VIEW CONFIG
SENSOR CONFIG
UNITS UNITS
RERANGE
LOOP TEST
DISPLAY
EXTENDED MENU
EXIT MENU
* Available only if option code (S) or (D) is ordered.
** Available only if option codes (S) and (DC) are both ordered, or if option codes (D) and (DC) are both ordered.
14
HART 5 HART 7
2, 2, 1, 4 2, 2, 1, 5
CHANGE ALL CHANGE ALL
SENSOR 1 UNITS
SENSOR 2 UNITS*
DIFF UNITS*
AVERAGE UNITS*
1ST GOOD UNITS**
BACK TO MENU
EXIT MENU
Reference Manual
00809-0200-4728, Rev SA
DEG C UNITS
DEG F UNITS
DEG R UNITS
KELVIN UNITS
MV UNITS
OHM UNITS
BACK TO MENU
EXIT MENU
Configuration