NI PCI-783xR Digital I/O Resolution ?? bits
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From: Massif on 6 May 2008 09:40 Dear, I would like more information about the Multifunction Intelligent DAQ using LabVIEW FPGA. What is the resolution of the Digital I/O on the NI PCI-783xR (PCI card)?I have see 16 bit for the analog input but nothing on the digital input. Regards Julien
From: TonP on 6 May 2008 10:10 I think you are looking for the port-width of this device? An digital line has a bit resolution of 1.The port-width (number of lines per port) varies from device to device.Ton
From: Massif on 6 May 2008 10:40 Dear TonP, And thank you for yor response. No, I'm looking for the data size per line. Example: <a href="http://sine.ni.com/nips/cds/view/p/lang/en/nid/202006" target="_blank"> http://sine.ni.com/nips/cds/view/p/lang/en/nid/202006</a> In this data sheet for the analog input Analog Input Number of Channels 4 SE/4 DI Sample Rate 200 kS/s/ch Resolution 16 bits There is nothing write for the resolution of the digital I/O. Is it 16 bit? I need I32 bit for the digital input. Massif
From: Massif on 7 May 2008 03:40 Dear, I have to explain my application a little bit more. On the FPGA target I have created 2 counters of an event depending of 8 digitals signal. But this event can arrive more than 2^16 during one application.How I can transfer thess numbers with the R series cards? "store your compiled LabVIEW FPGA application in the onboard flash memory of any R Series device""You can configure the digital I/O lines as custom counter/timers" -> I think at started we can create internal counter and transfer the result at 40 MHz. Can I used 32 line to transfer the number? I can't transfer all signal to the host, because my application sould draw a graph in "real time". That why I have created a batch rate with internal counter of event inside the FPGA. I hope I am enough clear. Regards Julien
From: Kabul on 7 May 2008 06:40 Hi, On the <a href="http://sine.ni.com/nips/cds/view/p/lang/en/nid/202006" target="_blank">product page</a>, on the specifications tab, you can see that the Counter/Timer Resolution is 64 Bit. Regards,
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