Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 117

Digital Recorder
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Unit information Displays important information on the device such as program name and
software version. In addition, the memory time available is also displayed.
This time is reduced if
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Fig. 45:
6.1.3 Main menu - Select group
For selecting the group which should be shown on the display.
Digital signals and / or relay statuses are displayed in groups. A maximum of 10 groups
with 10 channels each can be created in the set-up. Channels can be assigned to
several groups at one time.
Note!
Only channels that are assigned to a group can be displayed and saved (internal
memory and on diskette).
Channels that are not assigned to any group can nevertheless be monitored for limit
value violation or automatically analysed (select this, for example, to make optimum use
of the memory capacity).
6.1.4 Main menu - History
Displays plotted measured values available in the internal memory as a curve
sequence.
Note!
• The history display can be recognised by the date/time field with black background,
the "frozen" time (seconds do not progress forward) and the changed key functions.
• The displayed time refers to the time line (dividing line between curve display and
measured value display).
• Use the arrow keys ( T U
for measured value) in the time axis.
• Use the arrow keys ( V W
6.1.5 Main menu - Search in trace
The ring memory can be searched through according to different search criteria. The
result is displayed in a list. You can search for events or a time.
In addition, filters can be selected for a better overview. Moreover, you can choose the
time in which the search should take place (e.g. last 12 hours, today, this week, this
month, 3 months back or in the entire memory).
Limit values/events are saved or monitored
Signal analyses are activated
Several groups are active
Signal display "Unit information"
) to move back or forward pixel-by-pixel (measured value
) " to display the values of another group at this time.
Commissioning
117