User Manual

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Building Technologies Operating Instructions for ACS Operating and ACS Service CE1U5640en
HVAC Products 3 Applications Dec. 1, 2005
Select Add to add the highlighted data points to the trend definition. After this
selection, select Close to return to the Offline trend window. In the right half of the
Offline trend window, you now find all added data points.
The same data point may exist in several trend definitions. The same data point is
shown in several columns. The columns have the following meaning:
Column Description
Channel
Channel for logging the data point
Line no.
Referring to the installation instructions of the respective
device
Name
Name of the data point
Device
Device to which the data point belongs
Address
Address of the device to which the data point belongs
Offset
Offset with which the data point is shown in the graph
Number
When on, the value will be exported as a digit
Text
When on, the value will be exported as text (e.g. in the
case of enumerations)
Sorting can be made by column.
For each data point, you can define whether an offset for the presentation shall be
added (particularly useful when logging digital values 0/1, since they would often be
on top of one another, preventing them from being simultaneously visible) and how
the value shall be exported:
Use the right mouse button to click on the data point and select Properties.... You
can now change the Offset and the export properties.
To remove a data point from the trend definition, select in the right half of the Offline
trend window the relevant data point (multiple selections as described above are
possible). Use the right mouse button to click on the selected data point and select
Delete.
For more information, refer to the following chapters:
• Creating / changing an offline trend definition
• Starting offline trend logging
• Evaluating offline trend logging
• Printing in offline trend
• External editing of offline trend logging
3.5.5 Starting offline trend logging
When creating the offline trend definition, the data points to be logged were defined.
Select in the left half of the window the trend definition for which you want to start
logging. The right half of the window shows the selected data points.
You may have to check the settings of the trend definition again: Press the right
mouse button and click on the selected trend definition, then select Properties....
Window Offline trend properties is opened in which you can access the settings
described in Creating / changing an offline trend definition.
To start logging, use the right mouse button to click on the trend definition and select
Download trend definition. The trend definition with the information about the data
points to be logged and the start and end of logging are now transferred to the
memory card inserted in the central unit.
Delete
Start logging