6. FPG TOOLS
Page 47
© 2007 DH Instruments, a Fluke Company
6.3.1
STATUS BAR
The status bar located at the bottom of the main screen provides useful run-time information.
This status bar has three distinct sections: run mode indicator, target action, and
current action. The run mode indicator is a small blinking circle on the extreme left of the
status bar. When this indicator is visible, FPG Tools
is polling all support devices and
updating the calculated FPG pressure. Each FPG remote operation changes the color and/or
shape of this indicator. If for any reason the interface with the FPG is interrupted, the
changes in state of this indicator will dramatically slow down. Changes will only occur at the
8s time out intervals used by the FPG. When the FPG pressure is very stable, it is difficult to
determine if the system is operating properly without this indicator.
The current target action displays on the inset panel on the left side of the status bar.
Common target actions include: zeroing, internal calibration, setting pressure, dwell
and averaging. In the case that a re-zero criterion is exceeded a special
required
target will
display in this field (see Section 6.6.4). This means the FPG must be re-zeroed in order to
obtain a ready indication.
Current actions appear in the middle of the status bar. For a typical target action, there are
several current actions that display to update the status of the target action. Each message
is provided to inform the user of the current step in the target process.
Figure 16. <Status Bar>
6.3.2
RUN DISPLAY
The
<Run Display>
screen is the main visual user interface to the FPG. The FPG Pressure,
ready indication, DUT pressures, DUT outputs and errors are available real time on this
display. When simple pressure monitoring is selected, maximizing this display is
recommended. This provides a large view of all of the pertinent outputs of the FPG.
Pressure is ready when there are no out of range errors in the system status and the
FPG pressure is within the stability setting or hold limit, based on whether or not VLPC is
actively controlling.
Double click the <Rate> and/or <FPG Pressure> fields to display a strip chart of the
corresponding indicator.
Figure 17. <Run Display>
