National Instruments NI 6232, NI 6233

Contents

Position Measurement .....................................................................................7-16

Measurements Using Quadrature Encoders......................................7-16

Measurements Using Two Pulse Encoders.......................................7-18

Two-Signal Edge-Separation Measurement....................................................7-19

Single Two-Signal Edge-Separation Measurement ..........................7-19

Buffered Two-Signal Edge-Separation Measurement ......................7-20

Counter Output Applications .........................................................................................7-21

Simple Pulse Generation .................................................................................7-21

Single Pulse Generation ....................................................................7-21

Single Pulse Generation with Start Trigger ......................................7-21

Retriggerable Single Pulse Generation .............................................7-22

Pulse Train Generation ....................................................................................7-23

Continuous Pulse Train Generation ..................................................7-23

Frequency Generation .....................................................................................7-24

Using the Frequency Generator ........................................................7-24

Frequency Division .........................................................................................7-25

Pulse Generation for ETS................................................................................7-25

Counter Timing Signals .................................................................................................7-26

Counter n Source Signal..................................................................................7-27

Routing a Signal to Counter n Source...............................................7-27

Routing Counter n Source to an Output Terminal ............................7-28

Counter n Gate Signal .....................................................................................7-28

Routing a Signal to Counter n Gate ..................................................7-28

Routing Counter n Gate to an Output Terminal................................7-28

Counter n Aux Signal ......................................................................................7-28

Routing a Signal to Counter n Aux...................................................7-29

Counter n A, Counter n B, and Counter n Z Signals.......................................7-29

Routing Signals to A, B, and Z Counter Inputs ................................7-29

Routing Counter n Z Signal to an Output Terminal..........................7-29

Counter n Up_Down Signal ............................................................................7-29

Counter n HW Arm Signal ..............................................................................7-30

Routing Signals to Counter n HW Arm Input...................................7-30

Counter n Internal Output and Counter n TC Signals .....................................7-30

Routing Counter n Internal Output to an Output Terminal...............7-31

Frequency Output Signal.................................................................................7-31

Routing Frequency Output to a Terminal .........................................7-31

Default Counter Terminals ............................................................................................7-31

Counter Triggering ........................................................................................................7-32

Arm Start Trigger ............................................................................................7-32

Start Trigger.....................................................................................................7-32

Pause Trigger...................................................................................................7-33

Other Counter Features..................................................................................................7-33

Cascading Counters .........................................................................................7-33

Counter Filters .................................................................................................7-33