Emerson AMS Trex Device Communicator User Manual page 152

Fieldbus Diagnostics application
September 2021
5.1
5.2
152
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Open or close the Fieldbus Diagnostics
application
Procedure
1. To open Fieldbus Diagnostics, tap the Fieldbus Diagnostics icon on the Trex Home
screen.
2. To close Fieldbus Diagnostics, tap Exit.
Fieldbus Diagnostics Overview screen
The Fieldbus Diagnostics Overview screen is the home screen for the application. The
screen displays the status of the measurements and lets you configure the application.
Note
The Power supply option is not displayed if the Trex unit has the Device Communicator
communication module. The Device Communicator Plus communication module and
FOUNDATION fieldbus Power Plug are required to power a FOUNDATION fieldbus device.
The measurements are labeled with a status of GOOD, BAD, or CHECK. You can configure
the measurement criteria and ranges for the GOOD and BAD status labels. The INACTIVE
status is displayed when there is no fieldbus signal, due to no device communication on
the fieldbus segment. Review the measurement criteria in Settings to ensure they are
appropriate for your installation.
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