Measurement Computing USB-2527 - Manual (Page 5)

USB-2527 User's Guide
5
Counter inputs .................................................................................................................................................. 33
Mapped channels .............................................................................................................................................................33
Counter modes .................................................................................................................................................................34
Debounce modes ..............................................................................................................................................................35
Encoder mode ..................................................................................................................................................................38
Timer outputs .................................................................................................................................................... 42
Example: Timer outputs ...................................................................................................................................................42
Using detection setpoints for output control ..................................................................................................... 42
What are detection setpoints? ..........................................................................................................................................42
Setpoint configuration overview ......................................................................................................................................43
Setpoint configuration ......................................................................................................................................................44
Using the setpoint status register......................................................................................................................................45
Examples of control outputs ............................................................................................................................................45
Detection setpoint details .................................................................................................................................................49
FIRSTPORTC, DAC, or timer update latency .................................................................................................................50
Mechanical drawing ......................................................................................................................................... 51
Chapter 4
Calibrating the USB-2527 ................................................................................................................... 52
Chapter 5
Specifications ...................................................................................................................................... 53
Analog input ..................................................................................................................................................... 53
Accuracy ..........................................................................................................................................................................53
Thermocouples ................................................................................................................................................................54
Analog outputs .................................................................................................................................................. 54
Digital input/output........................................................................................................................................... 55
Counters ............................................................................................................................................................ 55
Input sequencer ................................................................................................................................................. 56
Trigger sources and modes ............................................................................................................................... 57
Frequency/pulse generators .............................................................................................................................. 57
Power consumption .......................................................................................................................................... 57
External power .................................................................................................................................................. 58
USB specifications ........................................................................................................................................... 58
Environmental .................................................................................................................................................. 58
Mechanical ....................................................................................................................................................... 58
Signal I/O connectors and pin out .................................................................................................................... 58
68-pin SCSI connector pin outs .......................................................................................................................................59
40-pin header connector pin outs .....................................................................................................................................60
TC connector pin out (TB7) .............................................................................................................................................63