ABB SM3000 User Manual page 16
Multipoint videographic recorder/paperless recorder
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Also See for SM3000:
- User manual (198 pages) ,
- Instructions (4 pages) ,
- Replacing instructions (8 pages)
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...2 OPERATION
...2.3 Chart Views
Screen Interval
48 seconds/screen
4 minutes/screen
8 minutes/screen
12 minutes/screen
20 minutes/screen
30 minutes/screen
1 hour
4 hours
16 hours/screen
1 day
2 days/screen
6 days/screen
14 days/screen
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Note. Applicable only to Vertical and Horizontal Chart views.
Use the 'Screen Interval' to change the amount of data displayed on the screen. A longer
screen interval displays more data, a shorter screen interval displays data over a shorter
time period, but in more detail. In both cases, the full trace is preserved by plotting the
maximum and minimum samples for each display point.
Longer interval =
better overview
The screen intervals available in the menu are determined by the faster of the primary and
secondary sample rates set for the process group during configuration – see Section
4.5.1. Unavailable screen intervals are greyed-out.
Table 2.1 shows the relationship between sample rate and screen interval for the Vertical
and Horizontal Chart views.
Notes.
•
A 'Please Wait' message appears in the status bar while the instrument retrieves data
from storage.
•
Selecting a different screen interval does not affect the rate at which data is sampled.
•
When in historical review mode, changing the screen interval causes the time at the
cursor position to change.
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Table 2.1 Sample Rates and Screen Intervals
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