Hi mous,
Try taking a look at the example: "Measure Buffered Period (DAQ-STC).vi" in
the examples bundled with LabVIEW.
Knowing the gating time and number of encoder pulses per unit, its easy to
calculate the speed in units per second.
Happy Wireworks
Hans Christian
"mous" skrev i en meddelelse
news:5065000000080000003FA00000-1042324653000@exchange.ni.com...
> Hello,
>
> I want to measure the speed through an encoder.
> So My system is composed by
> - a PXI 1000B with 2 6025E
> - on the first 6025 E, I connect a BNC 2090
> So I used the BNC 2090 to connect the encoder with the user BNC and
> PFI7.
> In my application, I synchronize the signal of the BNC2090 and the
> signal of SCXI1112 connecting to the second 6025E.
> But in my application, I do
n t know how to have the same scan rate for
> the speed. For the moment I use the Measure frequency.vi but I have
> the speed only every 0.2s and I need every 0.01s.
> So I can I proceed.
>
> Thanks