Filter
Top Products
Chapter 7 Counters
© National Instruments Corporation 7-29 NI 6232/6233 User Manual
Routing a Signal to Counter n Aux
Each counter has independent input selectors for the Counter n Aux signal.
Any of the following signals can be routed to the Counter n Aux input.
•RTSI<0..7>
• Input PFI <0..5>
• ai/ReferenceTrigger
• ai/StartTrigger
•PXI_STAR
In addition, Counter 1 Internal Output, Counter 1 Gate, Counter 1 Source,
or Counter 0 Gate can be routed to Counter 0 Aux. Counter 0 Internal
Output, Counter 0 Gate, Counter 0 Source, or Counter 1 Gate can be routed
to Counter 1 Aux.
Some of these options may not be available in some driver software.
Counter n A, Counter n B, and Counter n Z Signals
Counter n B can control the direction of counting in edge counting
applications.
Use the A, B, and Z inputs to each counter when measuring quadrature
encoders or measuring two pulse encoders.
Routing Signals to A, B, and Z Counter Inputs
Each counter has independent input selectors for each of the A, B, and Z
inputs. Any of the following signals can be routed to each input.
•RTSI<0..7>
• Input PFI <0..5>
•PXI_STAR
Routing Counter n Z Signal to an Output Terminal
You can route Counter n Z out to RTSI <0..7>.
Counter n Up_Down Signal
Counter n Up_Down is another name for the Counter n B signal.