How is sampling window related to bandwidth?
Hi all, Not sure if this is the best place to ask this question but I'm thinking how is sampling window(the duration of a single sample process) related to bandwidth of the sampled signal. Generally...
View ArticlePressure Measurement
We currently have NI 9203 installed but I am not able to read my pressure transducer with this. Please can anyone suggest any other C modules that I can use. Thank you.
View ArticleTime averaging, and calling DAQ Signal Multiple times
Hello, I am trying to create an test system that records the current and airflow of a pump. I would like the test to follow the logic that can be seen in the snip below: 1. Monitor for current and...
View ArticleCan use a USB-6212 interface with a Multiclamp 700A amplifier?
I have a NI USB-6212 interface, and I would like to know if I can use it with an Axon amplifier.If I cannot use it, is there any other NI interface useful for Axon amplifiers?
View ArticleLOGO! and Labview Communication
Hi everyone, I need help with a project where I have a LOGO! Siemens 6ED1052-1HB08-0BA0 that communicates the states of inputs and outputs via Modbus/Ethernet with Labview, I wanted to ask you if it...
View ArticlePCI 6733 error -200020 and -50400
Hi,I am using several PCI 6733 to generate analog outputs. One of my PCI cards is detected but when I try "Auto-test" through NiMax I have the error code: -200020.When I try "auto-calibration" I have...
View ArticleNI6612变化脉宽采集-201314
使用NI6612采集变化频率脉宽信号，最小脉宽是12us，最大140us，采样模式只能设置外部时钟，但设置外部时钟，又有采样频率必须低于信号频率的规则（否则报错-201314），如果设置采样频率低，则无法采集到完整的变化脉冲信号，求教是否有其他采样模式，能够实现我可以采集到每一个变化脉冲的脉宽时间？
View ArticleInterfacing open collector sensor output to 9403
What is the best way to interface an open collector sensor output such as the output of this device to the...
View ArticleNI 9411 don't become 'ready' status
hi, all.I'm a new to labview and fpga development.I'm trying to get rotary encoder signals from NI 9411.In VI, I put FPGA I/O method node to acknowledge that NI 9411 is ready, but the output from this...
View ArticleUSB 8451 I2C 3V3
I wish to communicate with a I2C device that uses 3V3 I2C levels. I know the USB 8451 will accept a 3V3 I2C input as a 'high' logic level, but can the USB 8451 provide a I2C output at 3V3 logic levels...
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Digital pot control with 6024E
Hello everyone ! I’m a student and i have got a college project about speed Subjugation of a DC Motor ( 60V ) , so i got a PWM speed controller for the task ... this speed controller includes a...
View Articlesupporto driver NI-DAQmx
Buongiorno a tutti.Attualmente utilizzo una USB-6210 per l'acquisizione in digitale di un segnale in tensione analogico con O.S. Linux.I driver (NI-DAQmx_base) che ho utilizzato fino ad oggi sono fermi...
View ArticleMax sample frequentie NI 9411
Hello, For a project with an encoder I want to use the NI-9411.My question about this module is what is the maximum sample frequency? What is the maximum frequency that the module can measure? The...
View ArticleDoes NI 9403 have optocouplers at the front-end input stage?
Hello NI Zen masters, I'm planning to use NI 9403 (32 channel DI/DO) module with a c-DAQ chassis to acquire data from a running engine; generator and a some related switchgear. The voltages around the...
View ArticleConnecting an Encoder to NI9421
Hey,I am new to the the topic of data aquisition an wanted to ask if I could use a NI 9421 Digital Input Module together with an encoder which has an amplitude of 4,5 V for A and B and 5V for Z. Is...
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Timestamp for each received Ethernet Frame
Our company is developing a system with NI PXI 6683 to capture the raw data between other two devices, like Wireshark. Below image provides a brief setup for this system.I reviewed the NI 6683...
View ArticleSynchronize USB-8452 with other devices e. g. by a continuous clock output
Hi, in a measurement setup, the USB-8452 is configered in SPI stream mode with a clock frequency of 10 MHz. The setup also includes further devices with an oszillator, and I get a deviation in...
View ArticleIssues implementing a linear encoder with a NI 9401 module and cRIO.
I am having trouble implementing a quadrature encoder for a linear position measurement using a NI 9401 module and a cRIO-9040 chassis. I currently have channel A wired to pin 14 and channel B wired...
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how to send pwm signal to servo motor (with Matlab Simulink)
I'm using NI USB-6001 DAQ board.I just generated PWM signal with MATLAB Simulink, (by pulse genrator blcok)and converted it to boolean to send the signal right to the NI digital outputso that the servo...
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How do I pulse ON/OFF a digital signal
Hello, To control a chamber valve, I need to turn ON a digital output for 60ms and turn it OFF. Here is an attachment jpg that shows how I am achieving it. My valve currently stays open for some...
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