Fieldbus functionality
65
Displaying the connected
fieldbus devices
To display the connected devices on a fieldbus segment (Live Device
List):
1.Connect the 475 Field Communicator t
o a fieldbus segment.
2.Turn on the 475 Field Communicator.
3.On the Field Communicator Main Menu, tap
.
4.On the Fieldbus Application main menu, double-tap Online. T
he
Fieldbus Live Device List appears and indicates which device or host
is acting as the LAS. The text LAS appears at the top of the window
only when the 475 Field Communicator is the LAS. See Figure 4-5.
If a live fieldbus device is connected to a host acting as the LAS, a
precautionary message
appears. The Live Device List then appears
with the tag name and address for the connected device.
If an existing host control system or a device capable of being the
LAS is not
connected, the 475 Field Communicator acts as a
temporary LAS on the segment and produces a warning message.
After reading and following the message instructions, tap OK to
display the Live Device List.
From the Live Device List, a Block List or a Device Dashboard menu
is displayed
for a device, depending on the device description.
To return to the Fieldbus Application Main Menu, press the left arrow
key on
the keypad or tap the back arrow on the window. Select OK
when prompted if you want to go offline.
Figure 4-5. Live Device List window example
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