User Manual

62/101
Building Technologies Operating Instructions for ACS Operating and ACS Service CE1U5640en
HVAC Products 3 Applications Dec. 1, 2005
Date/Time of logging. In that case, logging will automatically be started
and stopped at a defined point in time.
Now, confirm your entry by clicking the OK button.
B. To copy and paste an existing trend definition, select in the left window the trend
definition you want to copy and change. Press the left mouse button, hold it down
and drag the trend definition to the uppermost directory (plant name). Then,
release the left mouse button.
C. If, at an earlier point in time, a trend definition has already been downloaded to the
central unit, and that trend definition is now only available in the central unit, it can
be uploaded again to the PC. In that case, use the right mouse button to click on
the uppermost directory (plant name) and select Upload trend definition. Note:
This function is only available when a connection to the plant exists.
To change the trend definition, select in the left window the trend definition you want
to change. Use the right mouse button to click on the selected trend definition and
select Properties.... Window Offline trend properties is opened, which enables you
to access the settings described in A. The properties of pending or active trend
definitions cannot be changed.
Now, you can start with the selection of data points for offline trend logging.
To delete a trend definition, select in the left window the relevant trend definition. Use
the right mouse button to click on the selected trend definition and select Delete.
Caution: Any logging associated with the trend definition will also be deleted.
For more information, refer to the following chapters:
• Selecting data points for offline trend logging
• Starting offline trend logging
• Evaluating offline trend logging
• Printing in offline trend
• External editing of offline trend logging
3.5.4 Selecting data points for offline trend logging
In the left half of the window, select the trend function for which you want to select
data points for trend logging. Position the onscreen pointer in the right half of the
window and select New – Data point.... Then, window Data point selection window
is opened. Here, you can select the data points you want to log.
The navigation with the Device view or the navigation with the Plant view appears as
a tree view, depending on which view you selected on the “View" menu. Click the
Change view button to obtain a device type view showing you all the device types
that belong to the devices selected with a tick in the boxes of the plant view. This
enables you to simultaneously add data points for several devices of the same type
with only one command. To return to the device or plant view, click again the Change
view button.
To simultaneously select several data points in the right half of the window, proceed
as follows:
• Use the left mouse button to click on the first of several successive data points.
Press the Shift key and hold it down. Now, use the left mouse button to click on the
last data point you want to select. The required data points are thus defined
• Keep the Ctrl key depressed and select all required data points with the help of the
left mouse button. Each of the data points clicked will be highlighted
Copy
Change
Delete
New data point