PRO-CTR-MAN-16V03 (0128)
Copyright © 2016 Defi ne Instruments
15
6.5 - A–B
In this mode the A and B signals are linked in a phase relationship. Signal A incre-
ments the primary counter on every rising edge, while signal B decrements the pri-
mary counter on every rising edge.
Signal A
Signal B
Primary
Counter
Primary
Counter
Signal A
Signal B
Primary
Counter
Primary
Counter
Primary
counter
increments
:
On a
rising
edge A signal
Primary
counter
decrements
:
On a
rising
edge B signal
6.6 - A&B Independent
In this mode there is no fi xed relationship between signals A and B. Signal A
increments the primary counter on every rising edge, and signal B increments the
secondary counter on every rising edge.
Signal A
Signal B
Primary
Counter
Secondary
Counter
Signal A
Signal B
Primary
Counter
Secondary
Counter
Primary
counter
increments
:
On a
rising
edge A signal
Secondary
counter
increments
:
On a
rising
edge B signal
6.7 - Up/Down
In this mode the A and B signals are linked in a phase relationship. Signal A incre-
ments the primary counter on every rising edge when signal B is low. Signal A also
decrements the primary counter on every rising edge when signal B is high.
