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Figure 8.1: A typical crank shaft signal.
Hint: To view the number of revolutions per minute as
a number, enable the cursor readout of the graph or use a
meter.
8.18 Pulse decoder
The Pulse decoder processing block decodes the two signals
from a quadrature encoder to a pulse count/position. High
and low voltage for signal edge detection can be set to several
standard values or to user defined levels. The direction of
movement can be changed by swapping the sources of the
pulse decoder. The output of the Pulse decoder can be shown
in a graph and in a table sink (see 9.2).
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Chapter 8