Model PD6363 Pulse Dual-Input Rate/Totalizer Instruction Manual
43
subtract as determined by the state of input channel B. Channel A total
will add at each rising edge if channel B is high, and at each falling edge
if channel B is low. Channel A total will subtract at each rising edge if
channel B is low, and at each falling edge if channel B is high.
Figure 25. Dual Input Mode (
quad 2
)
Quadrature Input Type 4 (
quad 4
)
Quadrature modes are used to accept inputs that are ±90
degrees out of phase, from quadrature output devices. Totals of
channel A and B will add at each rising and falling edge of that
channel.
