Emerson Rosemount 644 Reference Manual page 43

Temperature transmitter with hart protocol
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Reference Manual
00809-0200-4728, Rev RA
extended to 32 characters long. Neither parameter has any impact on the primary variable
readings of the transmitter, it is only for information.
The Date is a user-defined variable that provides a place to save the date of the last revision of
configuration information. It has no impact on the operation of the transmitter or the
HART-based communicator.
The Descriptor variable provides a longer user-defined electronic label to assist with more
specific transmitter identification than is available with tag. The descriptor may be up to 16
characters long and has no impact on the operation of the transmitter or the HART-based
communicator.
The Message variable provides the most specific user-defined means for identifying individual
transmitters in multi-transmitter environments. It allows for 32 characters of information and is
stored with the other configuration data. The message variable has no impact on the operation
of the transmitter or the HART-based communicator.
Configuring device information with a Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
Configuring device information with AMS Device Manager
1.
2.
3.
4.
Configuring tag with LOI
Reference the figure below to find the tag configuration path in the LOI.
Figure 2-18. Configuring the Tag with LOI
VIEW CONFIG
SENSOR CONFIG
UNITS
RERANGE
LOOP TEST
DISPLAY
EXTENDED MENU
EXTENDED MENU
EXIT MENU
Configuration
Right click on the device and select Configure.
In the left navigation pane select Manual Setup.
On the Device Tab there will be a group box called Identification, in the box find the
fields Tag, Date, Descriptor and Message, and enter the desired characters.
Select Apply when complete.
1, 8
CALIBRAT
DAMPING
VARIABLE MAP
TAG
TAG
ALM SAT VALUES
PASSWORD
....
Section 2: Configuration
April 2015
33

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