EA Technology CableData CDC2, Руководство по эксплуатации

Страница: 34 / 59

EA Technology CableData Collector Operating Manual 1365/L/01/1
Page 30 of 54
Figure 33 - Adding new cable type
The newly entered option will be automatically selected for the data capture and will
available for selection in any future assessments, as shown in Figure 34.
Figure 34
– Cable type selected
For cables where there is a join part way down the cable,
Mixture must be selected, and a
comment must be added in the Notes field. If data capture is attempted with the Mixture
Cable Type selected, and no text in the Notes field, the error message in Figure 35 will be
displayed.
Figure 35 - Error when selecting mixture for cable type without entering any notes
10.4.6 Cable Length
The next field is for
Cable Length . The units for this were set during the first run of the
software. The Cable Length field is not required, however if cable mapping is performed
then an accurate cable length is of great help.
Figure 36 shows the cable length and sample rate fields. When the cable length is blank, it is
not possible to alter the sample rate, and the sample rate will always be set to 40MHz.
Figure 36 - Cable length and sample rate fields
The software attempts to select the best
Sample Rate for the entered cable length. The
sample rate is the sampling interval used to capture the measured waveform. A higher