Emerson AMS Trex Device Communicator User Manual page 172

Fieldbus Diagnostics application
September 2021
172
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• The application has saved the selected number of measurements.
• The application has saved 100,000 entries in a log file. This is the maximum number.
• The file size is larger than 176 MB.
Note
As a best practice, create a new log file for each fieldbus segment and connection point
you are monitoring. Otherwise, ensure you update the segment name and measurement
location fields each time you collect data.
Procedure
1. Connect to the FOUNDATION fieldbus device or segment.
2. On the Fieldbus Diagnostics Overview screen, tap Logging.
3. Modify the following options, as needed.
Option
User Name
Segment Name
File Name
Measurement Location
Save Option
www.
Description
The name of the person completing the
measurements.
The name of the fieldbus segment. If you tap the Go
Online option, the Fieldbus Diagnostics application
creates a unique name. You can enter a new name.
The name of the .csv file that saves the measurements.
You can enter a file name or you can have the
application create one based on the device tag or
device ID if you tapped Go Online before enabling
logging. If multiple devices are on the fieldbus
segment, the device with the lowest address is chosen
for the file name.
The location on the fieldbus segment where the Trex
unit is connected to take the measurement. The
options are At Device, At Fieldbus Control Module,
and At Hub.
Select Append to save the measurements to an
existing log file of the same filename, or select Replace
to overwrite the data in an existing log file with the
same filename. Append is the default option. The log
file is limited to 176 MB. If the file exceeds 176 MB, the
application can no longer append additional log files/
measurements to the existing file.
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