Academic Company Events Community Support Solutions Products & Services Contact NI MyNI
This Document is not yet Rated

Minimum and Maximum Period Measurement for Counter/Timer Boards



Hardware: Counter/Timers (TIO)

Problem:
What is the maximum and minimum period measurement that can be done for my Counter/Timer board?

Solution:
The period measurement is determined by the frequency source that can be acquired. For the Counter/Timer boards, the highest frequency we can accurately measure will depend on the highest frequency timebase for the individual board.

Period = 1/Frequency


 

Board 6602/6608 6601 6624 E Series M Series X Series

Bus(es) available on

PCI, PXI PCI PCI, PXI PCI, PXI, AT, PCMCIA PCI, PXI PCIe, PXIe, USB

Standard Timebases

80 MHz, 20 MHz, 100 kHz 20 MHz, 100 kHz 20 MHz, 100 kHz 20 MHz, 100 kHz 80 MHz, 20 MHz, 100 kHz 100 MHz, 20 MHz, 100 kHz

Prescaler Options

X8, X2, none X8, X2, none none none X8, X2, none X8, X2, none

Max External Source Frequency without prescalers

80 MHz 20 MHz 20 MHz 20 MHz 80 MHz 100 MHz

Max External Source Frequency with prescalers

125 MHz 60 MHz N/A N/A 125 MHz N/A


Related Links:
Developer Zone Tutorial: Period Measurement with a Counter
Developer Zone Tutorial: Counter/Timer Hardware Product-Feature Matrix
Developer Zone Tutorial: Complete Industrial Digital I/O and Counter/Timer Tutorial

Attachments:





Report Date: 09/24/2008
Last Updated: 05/07/2013
Document ID: 4PNAKM5F

Your Feedback! poor Poor  |  Excellent excellent   Yes No
 Document Quality? 
 Answered Your Question? 
  1 2 3 4 5
Please Contact NI for all product and support inquiries.submit