Using the NI USB-6009 to generate a 12VDC output and 300mA output current
Hi, I am using the NI-USB-6009 as my power source for a 12VDC solenoid valve with current drive of 300mA. Originally I used a non-inverting Op-amp circuit and inverting Op-Amp circuit to get the + 12V...
View Article6501 write out square waveform and read it back simultaneously
Hey there, Im having trouble with my little USB6501, I have a bigger project in mind but for now all i want to see it do is write out a waveform from one line and read it back on another line. So whats...
View ArticleWhy is the SHB12x-B12X LVDS cable made with the connections reversed on each...
Why is the SHB12x-B12X LVDS cable made with the connections reversed on each end of the cable? Pin 1 on end end of the cable maps to pin 73 on the other end of the cable, etc.
View Articlehsdio - hardware compare missing first data
Hi, I am working with the Labview example ``Hardware Compare - Error Locations.vi``.This vi originally send a stimulus vector from channels 0-7 and read from channels 8-15. I only change the vi to...
View ArticleHsdio Pxie-6556 - Configure Data Position Delay
Hi, I am working with the Labview example ``Dynamic Gen and Acq With Per Pin Data Delay and Deskew.vi``I changed the vi to use the onborad clock for acquisition and generation session. This vi send a...
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Error -1074118579 The acquisition could not keep up with expected data...
Hi, I have configured the following VI to generate a waveform pattern that writes to a memory device. My intention is to write multiple data to the on-board memory of the HSDIO and perform a generate...
View Article6528 and DO pins in groups of 6
We will be using a NI PCI-6528 and I plan on using 6 digital output lines per UUT.This means thatunit1 gets port3 lines 0,1,2,3,4,5unit2 gets port3 lines 6,7 & port4 lines 0,1,2,3unit3 gets port4...
View Articletrouble specifying TTL for digital outputs from PCI-6221
Hi! I'm trying to generate TTL output signals using a PCI-6221 daq board - within Labview, I'm using DaqMx to create two digital waveforms and then write these. When I plug in an oscilloscope, the...
View ArticlePWM from MyRio
Hi All.I am facing a problem in generating a PWM pulses from two different signals of different frequencies. Like, I want to generate PWM pulses, by comparing a Sine wave of frequency of 50 Hz and a...
View ArticleNI-Tclk Error When Committing Session
Hello,I have three 6556s driving/capturing digital I/O in a PXIe-1065. It is a straight forward application that has been working for several years. Recently, I have been getting the error 250033...
View Articlecrio with 9403 module for pwm output in FPGA
Hi, everyone. I am trying to generate PWM signal by using crio + 9403 in FPGA.However, the program does not go well.For example, I can only generate 40 Khz PWM.As another example, the motor does not...
View Articleacquire resistance value using usb 6501
I want measure a variable resistance value continuously for a LabVIEW program, what kind of daq card i want to use, and also i want control a stepper motor using same daq card
View ArticleCollector Emitter Saturation Voltage on Output of NI 6515
The outputs on the NI PXI-6515 are an open collector with a Darlington pair transistor. In my application the emitter is tied to ground and a 10k resistor is tied between the collector and +5VDC. A...
View ArticleDAQmx ExcelVBAで複数のDigitalLineを一つの関数で制御する方法について
Excel VBA でUSB-6009やPCI-6513の制御を試みています。任意のラインを出来るだけ同時に近いタイミング(数msec以下)で動作させたいのですが、サンプルにあるように1ラインずつの制御をFor Loop や Do Loop...
View Articleusb6211 finite digital pulse
My first post to forum. (So hello : )). to the point: I want to generate a finite digital signal on one of the digital outputs of USB6211. The signal is a UART frame (8N1) (baud rate can be as low as...
View Articlehandshaking in adc in Labview using HSDIO
I have a adc which needs a Convert pulse to be given. As a response i get a BUSY Pulse which goes low on completion of conversion. After this i need to send 20 clock pulses on a different channel to...
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Using BJT as a switch for negative voltage
Hi, I am using a NI-USB 6009 to control a pump which requires +12V at one terminal and -12V at the other. My plan was to use a BJT to switch the pump on and off by switching each terminal to ground. In...
View ArticlePXIe 6555 frequently not recognized during power up
I'm having problems with the power up from a PXIe 6555 HSDIO card.The card is installed in a chassis NI PXIe-1082 with several other cards 2 x PXIe 4144, 1 x PXIe 4072.I've tried already two different...
View ArticleError 200088
I have compiled a Labview dll (Labview 2013) with standard Daqmx functions in it and am calling the dll from Freemat (Matlab). This dll works well writing & reading from a USB-6501 via the...
View ArticleCan i control buck converter and Multilevel Inverter using ni MYDAQ digital...
I am having Buck Converter and Multilevel Inverter Hard ware Modules and I done co-simulation using LabVIEW and Multisim so now i want control my hard ware modules using MYQAQ digital IO pins. Can i...
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