Emerson Rosemount 644 Reference Manual page 25

Reference Manual
00809-0200-4728, Rev RA
Checking or setting process variables
The "Process Variables" menu displays process variables, including sensor temperature, percent
of range, analog output, and terminal temperature. These process variables are continuously
updated. The default primary variable is Sensor 1. The secondary variable is the transmitter
terminal temperature by default.
Checking process variables with a Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
Checking process variables with AMS Device Manager
Right click on the device and select Service Tools from the menu. The Variables tab displays the
following process variables:

Checking process variables with LOI
To check the process variables from the LOI, the user must first configure the display to show the
desired variables (see
variables are chosen, simply EXIT the LOI menu and view the alternating values on the display
screen.
Configuration
Primary, Second, Third and Fourth variables, as well as the Analog Output.
"Configuring the LCD display" on page
VIEW CONFIG
ZERO TRIM
UNITS
RERANGE
LOOP TEST
DISPLAY DISPLAY
EXTENDED MENU
EXIT MENU
3, 2, 1
31). Once the desired device
SENSOR 1
SENSOR 2*
ANALOG
PV
AVG
1 GOOD
ST
DIFF
% RANGE
TERM
MNMAX1*
MNMAX2*
MNMAX3*
MNMAX4*
BACK TO MENU
EXIT MENU
Section 2: Configuration
April 2015
ON/OFF
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