Emerson Rosemount Reference Manual page 123

Reference Manual
00809-0100-4021, Rev GC
Resetting Thermocouple Degradation Alerts: Fast Keys 1-1-1
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Minimum and maximum temperature tracking
Minimum and Maximum Temperature Tracking (Min/Max Tracking) can record lifetime
minimum and maximum temperatures with date and time stamps on Rosemount 3144P
Temperature Transmitters. This feature records values for Sensor 1, Sensor 2, differential and
terminal (body) temperatures. Min/Max Tracking only records temperature maxima and minima
obtained since the last reset, and is not a logging function.
To track maximum and minimum temperatures, Min/Max Tracking must be enabled in the
transducer function block using a field communicator, AMS Device Manager, or other
communicator. While enabled, this feature allows for a reset of information at any time, and all
variables can be reset simultaneously. Additionally, Sensor 1, Sensor 2, differential, and terminal
(body) temperature minimum and maximum values may be reset individually. Once a particular
field has been reset, the previous values are overwritten.
Equipment: 3144PD1A2NAM5U1DA1, T/C Type K
Problem description: Sometimes it can be difficult to troubleshoot quality issues, or prove
compliance. If your plant historian doesn't capture historical data from every temperature point,
extreme process or ambient temperature fluctuations cannot be tracked.
Our solution: By utilizing Min/Max Tracking, you can be confident that you will have an easily
accessible record of all important temperature extremes. Proving compliance and trouble-
shooting quality issues become that much easier.
Take away: "Use Min/Max Tracking to verify installation temperature or to troubleshoot quality
issues."
HART® commissioning
Select 1 Overview.
Select 1 Device Status: Maintenance.
Select 1 Refresh Alerts.
Section 3: HART commissioning
April 2014
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