USER MANUAL 1.2 | B-FORTIS CC-SLIM SERIES
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5.2.3. Counting inputs (C)
The 4 digital inputs can also be used as counter inputs (C1-C4).
can be enabled by licensing (also possible later).
The counter inputs C1-C4 have a fast filter; the unipolar inputs I5-I16 have hysteresis. The counter in-
puts are connected to the signals of the other unipolar inputs. There is no changeover switching.
Available options for the counter inputs:
→
Up/down counter
→
Pulse/direction counter
→
Quadrature decoder
One of the counter inputs may alternatively be used as a capture input. This configuration requires 3
inputs (partially as CNT input or CAPT input). The edges for up, down or pulse may be set to falling
and/or rising edge.
Direction: High = up; low = down
Examples for counters: up/down; pulse/direction; encoder (A/B)
Fig. 9: Counter up/down or pulse/direction
Pin
Designation
Pin
Designation
C1
Up, pulse, A (CNT0)
C3
Up, pulse, A (CNT1)
C2
Down, direction, B (CNT0)
C4
Down, direction, B (CNT1)