VISA and GPIB
Hi all, It seems that all example code found online to use VISA to write to GPIB will send string (command and data). I wonder if this is how it design or we can change that to use binary data...
View ArticleLabview and Microcontroller interfacing
Hi. I have written a simple program for my microcontroller so that when character A is sent, one of the output ports turns high. I am trying to establish a serial communication between microcontroller...
View ArticleSerial read termination character
Hi allI want to read an array of 2500bytes from serial port with bouad rate set to 2,000,000 bit/sec. I'm supposed to have 2500 bytes 100 times in every seccond ((2000000/8)/2500) but I just have it 3...
View ArticlecRIO 9014 USB-Serial Convertor
I would like to use a USB to serial convertor to drive an inteligent OLED display from 4D Systems. My problem is that I want to do this from a compact RIO and there doesn't seem to be any inbuilt...
View Articledelphi and USB-GPIB Adaptor
Hi,I have experiment with "Agilent 33220A 20 MHz Waveform Generator" and computer using USB-GPIB Adaptor.I need to use Borland Delphi 7 to read data from 33220a.How can I do this?I need .dll, but I...
View ArticleLeCroy LT344L, MAX, IVI and the Ethernet connection
Howdy! I've installed the NI's lcltxxxx IVI driver for the LeCroy LT344L scope. IVI Compliance Package: 4.5MAX 5.4.0f0 I want to use an ethernet connection, but the "Resource descriptor" selection box...
View Articlemotorized elevator
Hello,I would like to build a motorized mini lift that I can control by labview with serial cable.The simple idea is the link below http://en.wikipedia.org/wiki/Linear_actuator Please can you help me...
View ArticleerrError; [Code = 10109] Control HW Communications Disabled with thorlabs...
Hi everybody! I want to communicate to my thorlabs motor with labview but it's don't work whereas with APTuser its work.I put you the pictures of my program I did and error's pictures in attachements....
View Article"IVI simulation class driver" does not appear in "Simulate With" option of...
Hi All, I've developp a custom IVI class driver name "clsStaticAO", and from this class I've created 2 specific drivers which works really fine. I just want to create a simulated class driver for my...
View ArticleNI MAX not detecting instrument properly
Hello, I have an HP 5350B frequency counter and I have been working with it for automating some measurements. It has an HPIB port on the rear of the cabinet. This is the only instrument connected to...
View ArticleExtension capability not supported by instrument(Temperature)
I am using IVI driver to communicate to Keithley 2750 and read temperature from thermocouple,Type-K sensor.I get an error -30717 (Extension capability not supported by Instrument(Temperature) when...
View ArticleMy installed devices do not show up in MAX
I have installed several device drivers via the "find instrument driver" utility in labview 2012. I do not have them hooked up to the computer so I would like to simulate them; but when I go into MAX,...
View ArticleNI 9146 as modbus slave ?
Is is possible to configure a NI 9146 ethernet expansion chassis as a modbus slave ?
View Articleserial ports of the NI 9871 also appear in MAX alongside the built-in serial...
Hi -- Have cRIO Can anyone help me get the NI 9871 (Scan Interface) Working?? My Two 9477 and two 9425 and 9403, function with the Scan Interface. In MAX > Software > NI-Serial RT 3.82 >...
View ArticleHow labview treat multiple devices handle number?
Hi All, I am controling several SPI-to-USB adapters via Labview. Each device can be detected through serial number and then a handle is grabed, this handle (an integer number, say 0 or 1, etc) will be...
View ArticleAdaptation of LIFA (LabVIEW Interface For Arduino) to other Arduino...
Hello evryone, I am trying to use a ''Sakura board", which is an Arduino compatible board, having similar programming as Arduino. This board is manufactured by Renesas; more specifications on it can...
View Articletask initialization thorough serial com port
I want to initiate a task by passing a string suppose "y" (from serial port) and it should remains active until vi doesn't receive another string suppose "n". Please tell me how can I do it?
View ArticleSimple code in VB6 to control Chroma AC power supplier throigh GPIB
Hi there, I am a totally newbie in VB6 (just have a little background in C).Anyways, I want to write a simple code in VB6 to send commands out through GPIB to control a chroma AC power supplier. Can...
View Articlehelp? Instrument I/O!
hello!I'm come from Vietnam, I want to send 2 numbers via RS232 (roll and pitch angles to simulate the quadrotor), what I want is when labview receive the first packet number( temporary call them are...
View ArticleRIGOL DS2072 - USB NI-VISA Initialization Error
Hi all,I'm trying to configure my RIGOL DS2072 oscilloscope to work with LabView through USB, but I'm can't seem to figure it out.I have LabView 2013 Evaluation on Windows 8 x64, NI-VISA 5.4 and also...
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