Baker Hughes DigitalFlow XGF868i, Руководство по программированию

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2.3 Displaying data on a computer terminal
The flow rate data collected by the XGF868i may be displayed in various formats on a remote computer terminal via the
meter’s RS232 serial port. This requires the use of the optional PanaView software. Refer to the instructions below to display
data via PanaView.
2.3.1 Preparing for PanaView programming
Before you attempt to communicate with the XGF868i, be
sure you have linked your PC to the XGF868i via an RS232
interface. For details on wiring the interface, refer to Wiring
the serial port in the Startup guide , and to the document
EIA-RS Serial Communications (916-054). You must also
install PanaView, as discussed in the PanaView user’s
manual (910-211), and in Appendix C, Programming the
XGF868i via PanaView™ .
1. Power up the XGF868i and wait until it has initialized.
2. Launch PanaView and wait until it initializes the XGF868i
and displays the basic PanaView window.
3. As described in Appendix C , open the meter browser
window and highlight the meter to be used.
At this time, any of PanaView’s comprehensive data
handling capabilities may be used. These include:
• Collecting and displaying live data in text format
• Collecting and displaying live data in graphical format
• Collecting and logging live data
• Displaying a log file in text format
• Displaying a log file in graphical format
To access PanaView’s data handling options, pull down the
output menu , as shown in Figure 2 below.
Figure 2: Output menu
Proceed directly to the appropriate section for instructions
on either of the following output options:
•
Text display output, discussed below
• Graphing the output on page 25
NOTE: For information on the logging output, see Chapter 3,
logging data .
2.3.2 The text display output
To collect data from the instrument and display it on a text
screen, complete the following steps:
1. Complete steps 1-3 on the previous page.
2. Pull down the
output menu and click on the text display
option. See Figure 2 on page 24 .
NOTE: The text display window that appears after step 2 is
actually stacked on top of any previously opened windows
(such as the meter browser window).
3. Using the window menu, arrange the open windows
in the desired format. For this discussion, Figure 3
below shows the text display window in its maximized
(full-screen) size.
Figure 3: Text display window
NOTE: Figure 3 above has been compressed both vertically
and horizontally for improved clarity.
4. The left pane of the
text display window contains the
standard PanaView network tree. Expand this tree as far
as necessary, and double click on the desired process
parameter to display it in the right pane of the window.
5. Before actual data values can be displayed in the text
pane, activate one of the following data collection
modes (refer to Figure 3 on page 24 ):
• Click on the [get once] option button at the bottom of
the right pane in the text display window. The current
value of the selected process parameter, as specified
in the PanaView network tree, is displayed in the right
pane of the text display window.
or
• Enter an interval in the text box at the bottom of the
right pane in the text display window, or check the
max. comm rate box to collect readings as fast as the
system allows (1 sec). Then, click on the [continuous]
option button to begin collecting data for display in the
right pane of the text display window.
NOTE: Any value entered in the Interval text box is overridden
if the max. comm rate box is checked.
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