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NI VISA write function different versions of different
我现在在用labview做标准仪器通信接口，电脑安装的是labview2014+NI VISA 16，使用LAN接口，VXI11协仪，labview是客户端，linux应用程序是服务器我在网上下载了一个程序，用labview 2007写的，VISA版本应该是3.x或4.x，我用labview2014打开，可以和我写的服务器正常通信，程序是着样的 抓包发现VISA...
View ArticleNI PCIe-8372
HiI'm pretty much lost as where to post this question, but this looks to be the closest forum.I have a PCIe-8372 4-lane cablePCIe PCIexpress card. It is connected via cable to custom hardware. When...
View ArticleWill a PXI-8360 work with a PCIe-8361?
Hello, Would a PXI-8360 work with a PCIe-8361 in a 1062Q chassis? A broader question would be, can I match PXI and PCIe hardware? Thank you.
View ArticleLetter of Volatility for 779163-01 and 778032-01
I need the Letter of Volatility of the following items: NI VXI-USB Slot O Controller (USSB 2.0 to VXI), P/N: 779163-01 NI PCI-GPIB Interface Card, P/N: 778032-01
View ArticleRS232 port problem of CompactRIO
Hi everyone, I have a problem in communication of CompactRIO 9025 with third party hardware. Let me explain you what my problem is; I connected my Ethernet cable in between my computer and CompactRIO....
View Article64-bit NI-IMAQdx C library file
I'm currently trying to write camera control code in C/C++ using the NI-IMAQdx functions (Hamamatsu, Orca R2). The header file for the IMAQdx function prototypes are fine, but I'm running into...
View Articlemaximum sampling rate
hi, I am using a Picoscope 4423 using USB and creating a virtual oscilloscope in labview. I want to know what is the maximum sampling rate i can get. As of now i am unable to get more than 1M...
View ArticleHow to change GPIB device primary address
Hello ; I'm new comer to GPIB filed. We want to integrate one device into our antomatic test enviorment.The GPIB primary address of the device is shown as 25 in NIMAX(seen as attached). We intend...
View ArticleControlling ADALM1000 (M1K) from Analog Devices
Hi everyone,I am trying to use the ADALM1000 device from Analog Devices as a SMU, by controlling it with LabVIEW. This device has two channels from which you can chose to measure a voltage, source a...
View ArticleSharing COM PORT MOXA
Hello I am using 3 computers which run the same VI.They are connected on Ethernet and then, I have a MOXA (Nport 5150) connected to my RS232 device.I configured 3 different COM PORT number depending on...
View ArticleAgilent 82347B GPIB-USB connection problem
Hey I'm trying to connect to a DS345 function generator with Agilent 82347B GPIB-USB.Let me first start by saying, I've read most posts i found on this board and others regarding this topic and could...
View ArticleAssigning parameters for write_ascii_values in pyvisa for serial port
Hi all, I want to control my Keithley 6485 Picoammeter externally by connecting it via RS232toUSB to my Linux PC (CentOS 6.9) and writing a code in python (version 2.7.13) with pyvisa: import sys...
View ArticleDelay in output signal (unwanted)
Hello,I'm new to labview. I'm trying to make a program that will read an input, and if the input is 1 then it will output a sinusoidal wave or if it is zero it will output zero.I am successfully...
View ArticleMultiple barcode scanner RS-232
Hello All,I will be using 5 RS-232 barcode scanner with RS-232 to USB converters.I want to read the barcodes/string only when the operator triggers the barcode scanner, i.e. dont want to read the port...
View Articledata adquisition
I have a "GCTS" data acquisition system and I need to read data of strain, pressure and deformation, the problem is that my daqassistant does not recognize the device, What is the best method to...
View ArticleControlling one intrustment with two applications using VBA
Hi everyone, I am writing two programs to control a signal generator using VBAThe problem is these two programs can't run parallelly, sometimes it got stuckEven if i use two PCs, it still happen How i...
View ArticleProgramming Configuration (.ini) File to Call Specific RS-232 Hexadecimal...
Hello, I have two separate VI's, one for sending and receiving Hexadecimal commands using text files over RS-232 comms and the other VI uses a Configuration (.ini) file for manipulating compact DAQ...
View ArticleNI-Spy and NI I/O Trace: How it work?
Hi everyone, I want to write a program that work similar to NI-Spy or NI I/O Trace using VBACould anyone explain me how they work? or which API should i use? Thank you so much
View ArticleIVI - Errors when using GetSpecifiDriverCHandle
Hello,i created a C++ DLL for the IviDmm class and i am calling the Keysight 34980 ivi driver. This custom C++ Dll contains all generic functions of IviDMM and is working fine..Now i wanted to run a...
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Agilent 34972 EZ examples freeze DAQ
I'm playing with Labview and the Agilent 34972 to get a feel for instrument control. I am using two of the example EZ blocks from the pallette, pictured below. My simple vi runs fine using just one...
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