Multi-Drop Poll; Manual Launch Of Device 0 Poll; Offline Menu Mode - ABB DHH800-MFC Operation Manual

Hand-held configuration devices
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MOBILITY DHH800-MFC CONFIGURATOR INSTRUCTION MANUAL
When no device connection is detected or a device with non-zero (Multi-drop or Burst Mode) address is
found, the message Device 0 Not Found is displayed and the Mobility MFC enters the Mobility MFC Main
navigation screen. The Mobility MFC Main screen allows the user to launch a multi-drop poll to find all
devices with non-zero addresses on the loop, to manually start an Online poll, or to enter Offline Mode.
Mobility MFC Main
#
Device 0 Not Found
1
Online Setup
2
Offline Menu
Up
Down
Select
Figure 7-5 Mobility MFC Main
Navigation Screen
No device or Non-zero address found

7.4.2 Multi-drop Poll

To initiate a Mult-drop Poll, select the Online Setup option from the Mobility MFC Main screen when the
Device 0 Not Found message is displayed. This function polls for all non-zero addresses (1 – 15).
Located addresses are listed on the display as the remaining addresses are checked. When polling is
complete, or upon pressing Stop after the address of interest is found, use the soft key controls to select the
address of interest. The initial HART menu for the device selected will then be displayed for use.

7.4.3 Manual Launch of Device 0 Poll

When the message Device 0 *On-line* is displayed on the Mobility MFC Main navigation screen,
selecting Online Setup will launch HART communication with the device. The message indicates that a
HART device with address 0 has been detected at the HART connection and the Mobility MFC is
standing by to initiate communications. The Device 0 *On-line* message is shown 1) if a physical
connection is made to a HART device after the Mobility MFC power is turned on or 2) if the user exits
from a HART communication session using the soft key controls provided.

7.4.4 Offline Menu Mode

The Offline Menu gives the user access to lists and functions that can be viewed or performed in Offline
Mode at the user's convenience for the purposes of reviewing the Mobility MFC's DOF list, reviewing stored
device configurations or creating HART configurations. Stored configurations can be also be edited and then
applied later to a connected HART device. When the Offline Menu is selected from the Mobility MFC Main
navigation screen, the following display is shown.
7-3
Mobility MFC Main
#
Multidrop Polling...
Scanning Address #
MFC
Stop
Figure 7-6 Multi-drop Polling
Multi-drop & Burst Mode Support
Offline
Utilities
1
List/Show DOFs
2
List/Edit Configs
3
Create Configs
4
Delete All Configs
DOFs Installed:
Configs Stored:
Up
Down
Figure 7-8 Hart Offline Menu
Abort
Screen
#
154
3
Select
Back
Screen
Mobility MFC Main
#
Device 0 *On-line*
1
Online Setup
Offline Menu
2
Up
Down
Select
MFC
Figure 7-7 Mobility MFC Main
Navigation Screen
Manually launch polling on
Device 0

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