6. FPG TOOLS
Page 67
© 2007 DH Instruments, a Fluke Company
Select the data file name. FPG Tools provides a default data file name that can be edited
as desired (see Section 9.2.1).
Select the test sequence to execute.
If a pressure cycle is specified in the test sequence, the VLPC is set to a range that best
accommodates the pressures in the pressure cycle. The maximum then minimum
pressure cycle pressures are set for the number of pressure cycles specified.
This pressure cycle occurs only one time, at the beginning of the first test cycle.
A VLPC range is selected that allows the maximum test sequence pressure up to the first
range change in the test sequence or the end of the test, whichever comes first. The
hold and stability limits specified on the
<Control>
tab of the test sequence are set at
this point.
The test sequence begins stepping through the test points starting with the first test point
in the test sequence.
If the test point specifies a range change, FPG Tools detects the best range to use
for the test points between the current point and the end of the test, whichever
comes first. This optimum range is automatically set if it is not the active range.
The default hold limits are used whenever the VLPC pressure range is changed in
the middle of the test sequence.
If the test point specifies a tare, the system is automatically tared in the same fashion
as the
[Zero System]
toolbar function (see Section 5.2).
An internal calibration will be executed for every point that is zeroed when <Auto
run internal calibration while zeroing>
is enabled (see Section
5.2
).
The test pressure is automatically set using the VLPC when it is active. Otherwise, a
prompt is provided for the operator to manually set the test pressure. In this case, do
not press the
<OK>
button until the pressure has been set.
If the test point is a tare check point, the zero condition is set and the tare
stability test is used to wait for stability (see Section 5.2.2). The pressure is then
averaged for the specified averaging time up to 15s then logs the data point. The
test sequence resumes with the next test point, Step
r
.
FPG Tools waits for a ready condition or a stability timeout before moving on to the
next test step. The stability timeout counts down on the status bar during this
process.
The test dwell time counts down.
FPG Tools averages all data for the specified averaging time. DUT data is also
averaged when available. The results are logged in the data file and on the main
display.
Repeat
Steps to for each step in the test sequence.
Repeat
Steps to for each test cycle.
