USRP nirio_zero_copy problem
Hi everyone. I have encountered a problem have not found a solution on the internet so far. The settings is shown as follows:We use PCIe for the connection between our PC and USRP X310. And the Linux...
View ArticleSynchronising AC signal generator frequency to motor RPM using encoder signal
I want to conduct an experiment where I need to apply an AC voltage having frequency synchronized to shaft rpm. The motor that drives the shaft has an encoder which I can use to measure the speed...
View ArticleProduct advise
Hello all,I am looking for a solution and am advised to look into what NI has to offer. I am building a system that uses a linear stage and needs to send pulses to an output at certain positions. The...
View ArticleReading Aribitrary Register From an MCT8316AV Using NI USB-8452 in C#
Hi everyone, I’m currently working on a project where I need to read an arbitrary register from an MCT8316AV motor driver (specifically to verify that the driver's I2C interface is operational). I’m...
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NI9401 unable to read digital pulses generated by encoder in FPGA programming...
Hi all, I am stuck and definitely use your help. I am using NI 9401 on cRIO-9049 to read digital pulses generated by differential encoder. As 9401 is single ended TTL, I have connected only A and B...
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How to read FPGA FIFO data using C# programming
While researching how to read FPGA FIFO data using C# programming, I came across a guide that suggests installing the NI RIO driver and referencing NationalInstruments.Rio.dll in your project. The...
View ArticleNeed guidance: NI-9401 with two 18,000 CPR encoders?
Looking at the 9401 specs, superficially it looks as if this will work. I am looking at using two rotary encoders, each the same with 4500 PPR/18,000 CPR. Each will also have an index track. The shaft...
View ArticleHigh Network Traffic Between USRP and gNB Even Without User Data
I'm experiencing high network traffic between my USRP and the gNB, even when no user data is being transmitted. When monitoring the interface with ifstat, I notice continuous data flow. Setup...
View ArticlePXIe_6570_Clock rate
Hi all,I have an issue getting a clean clock waveform at 5 MHz on the 6570. I tried to run with lower Speed at 1.1MHz, it looks good which is not the speed I want.Here are clock waveforms at 1MHz and...
View ArticleDigital Triggering
I want to trigger the laser and camera at the same time. Also, I have to give triggers at different frequencies. That to two lasers are triggering at 5 microseconds gap. I want to use it in PIV. I am...
View ArticleNI-9481 vs NI-9482
Hi, I understand that the NI-9481 is now obsolete. I noticed that it looks similar to the NI-9482.I have two questions:Why did NI discontinue the NI-9481? Were there any known issues with it?Is the...
View ArticleMatlab to USRP 2940R connection error
Hello, I want to send the signal from one usrp2940r and receive it using another USRP2940. I use following codetx = comm.SDRuTransmitter(...'Platform', 'X310', ...'IPAddress', '172.16.4.43', ... %...
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How to configure CLIP on the sbRIO-9627?
Hello! I am using sbRIO-9627 and trying to extend the Can bus and RS232 bus by using CLIP, but I have encountered a problem and have asked the details of the problem in the forum(How does the...
View ArticleRDIO vs. RMIO cable for an MIO PCIe terminal
I have very little electronics experience, so I apologize in advance if this question is inappropriate or dumb. I want to use analog voltage signals (0 to +10V) to control a device that is connected to...
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USB-6525 SSR Output Current Limit
I plan to use the SSR outputs of the USB-6525 DIO device to control an inductive load as shown: The manual lists a current limit of 500mA on the SSR output pins:Is there internal protection against...
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USB-6501 16-position (screw terminal) plug header CAD
Hello all, Does anyone have CAD for the plug headers for the USB-6501? The official CAD on the website is only for the unit itself, it seems....
View ArticleMultiple hardware outputs on one bus coupler Modbus register
Hello all, apologies if this isn't the best board for this, I couldn't decide between posting on LabView, Digital IO, Modbus, DQMH, etc. My question really will boil down to "am I missing an obvious...
View ArticlePCIe-6535B on Ubuntu: future support roadmap?
Hello, I have a PCIe-6535B in an Ubuntu system. As stated this post, PCIe-6535B is not currently supported on Ubuntu, as per the NI Hardware and Software Operating System Compatibility. However, in...
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Error -2147220354 at nisyscfg.lvlib:Restart.vi:1680001
ok i have this crio connected on USB AN ETH, i can ping I can connect on ni max saysoftware on the PC isand the image is the same 2018radutility goesModel Model Code Serial Number MAC Address IP...
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