Measurement Computing USB-1602HS-2AO - Manual (Page 6)

USB-1602HS-2AO User's Guide
6
Triggering ......................................................................................................................................................... 20
Hardware-based triggering ...............................................................................................................................................20
Software-based triggering ................................................................................................................................................20
Stop trigger modes ...........................................................................................................................................................21
Pre-triggering and post-triggering modes ........................................................................................................................21
Counter inputs .................................................................................................................................................. 21
Mapped channels .............................................................................................................................................................22
Counter input modes ........................................................................................................................................................22
Debounce function ...........................................................................................................................................................23
Quadrature detectors ......................................................................................................................................... 26
Overview .........................................................................................................................................................................26
Maximizing encoder accuracy .........................................................................................................................................27
Connecting the USB-1602HS-2AO to an encoder ...........................................................................................................27
Timer/pulse generators ..................................................................................................................................... 28
Using detection setpoints for output control ..................................................................................................... 29
Setpoint configuration ......................................................................................................................................................30
Examples of control outputs ............................................................................................................................................31
Controlling analog and digital outputs .............................................................................................................................35
Update latency .................................................................................................................................................................35
Using the setpoint status register......................................................................................................................................36
Chapter 4
Calibrating the USB-1602HS-2AO ..................................................................................................... 37
Chapter 5
Specifications ...................................................................................................................................... 38
Analog input ..................................................................................................................................................... 38
Analog output ................................................................................................................................................... 39
Analog input calibration ................................................................................................................................... 40
Digital inputs .................................................................................................................................................... 40
Digital outputs .................................................................................................................................................. 40
Trigger sources ................................................................................................................................................. 41
Pacing sources .................................................................................................................................................. 42
Counters ............................................................................................................................................................ 43
Timers ............................................................................................................................................................... 43
Quadrature decoders ......................................................................................................................................... 44
Power ................................................................................................................................................................ 44
USB specifications ........................................................................................................................................... 44
Environmental .................................................................................................................................................. 44
Mechanical ....................................................................................................................................................... 45
I/O cables, connectors and accessories ............................................................................................................. 45
Signal I/O connectors ....................................................................................................................................... 45
BNC connectors ...............................................................................................................................................................45
68-pin SCSI connector .....................................................................................................................................................46
Declaration of Conformity .................................................................................................................. 47