6215 suitability questions

Hello

We are considering moving our boxes/a. ITC lab at, OR more precisely the 6215, and I was responsible for getting more information to determine if it would suit our needs.

After looking on the 621 x manual and the specifications, we always have the following questions. (NB: we would use the C libraries of our OS X application, instead of LabView)

1 buffer: specifications list a sample 4 095 under "Analog Input" buffer Is used for AO, DI and DO also? If so, buffer shared in all transparency, or claim is a problem, the developer must work around? (ITC-18 boxes that we use have a buffer of 1024 kilosample FIFO)

2. can the 6215 perform DI and/or PERFORM operations as he does I / AO? Asynchronous?

3. our analog input requirement is for both channels, sampling at 1 kHz for spans of 10 s. At the same time, we demand that a 2-bit digital input

4. We also require AO 50 kHz to 250 ms at once, with a digital portal and digital pulse that triggers periodically during the AO 250 ms.

Advice or clarification would be appreciated.

Thank you!

Hi Jon,

You'll get exactly - three tasks separate (one for each meter and one for the analog input).  You can then play each two tasks of entry inside a loop.

You can simply connect two external terminals (ctr0 in source - 4 PFI PFI 3 ctr1) to power ctr0 ctr1.  The material allows an internal connection between the two counters, but unfortunately in DAQmx Base routing options are still somewhat limited (this could potentially be another suggestion of product).  The problem with the Base driver is that you cannot change the default breaks for counters, so we can't set up the device to count an internal signal using DAQmx Base.

Best regards

John

Tags: NI Hardware

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