HART functionality
48
Displaying the connected
HART devices
After the device is connected, tap from the Field Communicator
Main Menu. The HART Application automatically po
lls for connected
devices using the selected polling options. See “Changing the HART
polling options” on page 53 for information on modifying these options.
NOTE
Communication errors, such as a device appearing at multiple
addresses, can occur when polling addresses greater than 15 on a
loop with both HART Universal Revision 5 or earlier and HART
Universal Revision 6 or higher devices.
For many devices, an Online menu similar to Figure 3-7 is the first
menu to appear when connected to a HART device and is the root
menu fo
r the device. This menu displays critical, up-to-date process
information that is continuously updated, including device setup,
primary variable (PV), analog output (AO), PV lower range value
(LRV), and PV upper range value (URV).
Depending on the device description, the first online screen may be a
st
andard HART menu or a Device Dashboard menu. A Device
Dashboard menu displays the same parameters, but they are
organized by task. Options such as Overview, Configure, Service
Tools, and Advanced may appear. See your device documentation for
more information on these menus.
NOTE
Dynamic variables shown while online represent the digital data being
sent from the device.
Figure 3-7. HART Online Menu and Device Dashboard Online Menu
Because the Online menu displays important information, some
submenus display the HOME button to return you to the HART Online
menu.
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