Emerson Rosemount 644 Reference Manual page 29

Reference Manual
00809-0200-4728, Rev RA
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:






Setting output units with a Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
Setting output units with AMS Device Manager
1.
2.
3.
Setting output units with LOI
Reference the below image for where to find the Units configuration in the LOI menu.
Figure 2-6. Configuring Units with LOI
* 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.
Note
The list of choices available for Units after the primary menu is dependent on your Sensor
configuration settings.
Configuration
Degrees Celsius
Degrees Fahrenheit
Degrees Rankine
Kelvin
Ohms
Millivolts
Right click on the device and select Configure.
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.
Select Apply when complete.
VIEW CONFIG
SENSOR CONFIG
UNITS UNITS
RERANGE
LOOP TEST
DISPLAY
EXTENDED MENU
EXIT MENU
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
Section 2: Configuration
April 2015
DEG C UNITS
DEG F UNITS
DEG R UNITS
KELVIN UNITS
MV UNITS
OHM UNITS
BACK TO MENU
EXIT MENU
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