Spider DSA User’s Manual
293
Figure 199: Measured signals setup – Time Stream for 7.5 hardware and above
For the 7.5 hardware units, the output channels can also be used as the
tachometer input channels. Therefore, an additional two tachometer channels can
be viewed in addition to the input channels. All input channels and the
tachometer channel 1 provide the raw time stream signals which are the same as
the signals received at the input channels. Tachometer channel 2, however,
generates a reconstructed tachometer signal with a unit pulse of 1V whenever a
pulse in the tachometer is detected. What does this mean?
For 7.4 hardware units, since an input channel must be used as the tachometer
channel, there is no individual tachometer channel listed.
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