How many counters should I use at the same time?

I have the cDAQ-9172 and 9411.

There is the specification of 9411, 6DI 9411 channels.

The NOR-DAQmx help tell

Note  Terminal PFI are available when the unit is installed in the location of a chassis OR cDAQ-9172 or Groove 5 6.

So, I don't know if this means 9172 has 2 meters can be used simultaneously.

My question is 9411 6DI channels, it can be used as counters simultaneously?

I have more device 2 generate frequencies that must be acquired.

I hope someone here can help me or give me a hint.

QIA

Hi, QIA.

The cDAQ-9172 has 2 counters that can be used simultaneously, and you are right that install your NI 9411 in slot 5 or 6 slot will allow you to access these counters.  6 DI lines on your 9411 may be used to access the entries to each meter.

I do not know if you say you have more than 2 signals to measure the frequency on. If this is the case, after a little more info about your application (how times do you need to read the frequency?  How many channels?) and we can try to find a good solution.

Kind regards
Kyle

Tags: NI Hardware

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