Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 9

Maintenance and Troubleshooting manual
00809-0200-3104
Figure 1-2: Trend log collection
This is important, since many diagnostics change slowly overtime. Trending the
maintenance logs helps identify these changes and makes problems much more obvious
than merely viewing a single inspection report. The Trending feature is integral to
MeterLink
trending files in a Microsoft
maintenance logs. Some parameters, like gain, signal level, and noise level, may show a
shift over time which can be useful in detecting changes in the meter and the installation.
Maintenance logs or Trend files to be trended must all have matching column headings.
This means the logs must be in the same units (US customary or metric), must have the
same pressure type (gauge or absolute), and must have the same time base (1/second,
1/minute, 1/hour, 1/day). If not, an error message will be displayed stating the column
headings do not match, and the file will not be added to the workbook to trend list.
Archive log collection
Archive logs may be collected, and the options include:
Daily log
Hourly log
Event log
Figure 1-3: Archive log collection parameters
The logs may be collected in a single file, or you can choose to collect one type of log. Each
of the meter archive logs includes the Meter Configuration file.
Rosemount 3415, 3416 and 3417
, which allows all important parameters to be trended. MeterLink supports
™
Excel
® ®
Generated every 24 hours on the contract hour
Generated every hour at the top of the hour
Collects the alarm and event log records
workbook from multiple Rosemount 3410 Series meter
Maintenance
December 2023
9