Emerson Micro Motion 3711 Configuration And Use Manual page 95

Managing History, Events, and Alarms
4. If you will use extended history:
a. Specify the number of extended history points that you want to use. Be sure to specify all
the points that you will need; if you need to change the number of history points at a later
time, you must perform a
b. Specify the
c. The Number of Entries
per history point, and the
that extended history will cover. Extended history is limited to 5040 entries per point, so
you may need to adjust the number of points or the sample interval to ensure that you
cover the required number of days.
5. Open the Standard History panel. The window shown in Figure 8-2 is displayed. In this
window, the first eight history points are predefined and cannot be changed. The next three are
predefined for typical applications; however, they can be changed as required. The predefined
points are listed and described in Table 8-2.
Figure 8-2 History Setup window – Standard History panel
6. Specify additional history points as required. To do this:
a. Click the
b. Use the
Note: See Appendix C for information about the TLP system.
c. Click the associated
d. Use the dropdown list to specify the method to be used to calculate the logged value. See
Section 8.3.1 for more information about archive types.
7. Open the Extended History panel. The window shown in Figure 8-3 is displayed. There are no
predefined extended history points.
Configuration and Use Manual
Cold Start & Clear History
Sample Interval , in minutes.
field is updated to display the number of entries that will be made
Number of Days
field for an undefined point.
Archive Point
symbol (...) to specify the parameter to be logged in this position.
Select TLP
Archive Type
(see Section 14.2.2).
field is updated to display the number of days
field.
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