Reading and writing to FTDI chip with VISA
Hello all, I've been scouring the web and the NI forum for the past couple days trying to find a solution for my problem but nothing yet. I have a PIC18 micro with its UART connected to an FTDI chip...
View ArticleMeasurement Computing USB-DIO96H driver issue with Labview 2012 SP1 on...
Is anyone else having issues with measuremetn Computing's USB-DIO96H driver in Labview 2012 SP1. It throws warnings in Labview when loaded that are unresolvable as you can't save to the DLL driver...
View ArticleMY program runs a watlow F4 controller that runs and eviromental chamber
Hello! So my program is suppose to run an enviromental chamber through rs485 serial to usb converter. it should ramp to 25 C then go to -40 C and hold for 30mins, next it ramps to 90 c and holds for 30...
View Articlelow voltage oscilloscope problem
hello everyone,the interface of my oscilloscope(agilent dso 7012B) is blocked, when i change the input channel amplitude from high voltage to low voltag (from 1 v to 30mv ) without changing the...
View ArticleGPIB-USB-HS : function ibWait suddenly gives a EARG(4) Error after...
I have (several) .Net application using the NationalInstruments.NI4882.dll which works fine with- GPIB-USB-HS- Driver version 3.02- Windows 7- .Net Framework 4.0 However, If I only install .Net...
View ArticleVISA resource inaccessib">VISA RS232 read freeze -> LV stuck on "resetting vi" -> VISA resource inaccessib
I have a simple vi (attached) that reads from a serial port (actually, a USB to serial converter) in a timed loop (in case you wonder why the vi is written the way it is, the instrument I'm trying to...
View Articleoxford x-lab 3000
I am considering to buy a Lab-X 3000, But I still cofused and have several question, hope I can get ansdwer in here..I understand that these require configuration based on the application. Are the...
View ArticleCommunication crashes with blue screen
Hi All, I am developing a user interface using USB communication. I have to read large number of bytes(40000 bytes) from the port. I divide this task by sending query multiple times. I have attached...
View Articlemetrix MTX3352
Hi, I have an metrix MTX3352 scope and I'd like to communicate with it via ethernet to do acquisition of measures. I downloaded driver from metrix web site. The zip-file contain two files : mtx3x52.llb...
View Articlewindows 7 black screen and active mouse due to network and a software
Since I added a network drive to a windows 7 system, I get a black screen with mouse movable around whenever I login while the network cable is disconnected.After a full disk format and windows...
View ArticleRS-485 biasing
Fellow LabVIEWers I have some problems related to a series of units from a specific vendor, and they suggest I have to do something with the biasing Now, the issue itself seems easy enough, as it...
View Articleground loop occuring NI card
Our company makes a commercial instrument and Ive recently found that we have a ground loop passing through a NI card. The device has been around for almost 10 years in its current form although this...
View Articlewhy "wait for operation complete" error ?
HI,When I use the vi "Read multiple waveforms" there are an errors that appears in the VI "wait for operation complete" and I cannot found the cause of this error ! Can you bring me your help on this...
View Articleocean optics usb 4000 driver not installed successfully
Hi all, I am having ocean optics usb 4000 spectrometer. I want to acquire its data in LabVIEW. For this application, I downloaded the instrument driver from NI Site...
View ArticleInstron 5800 EABO during data readout
Hi, I am very new to LabVIEW and having only used it in the last 3 months, I've managed to put together some codes to get the Instron 5800/8800 to work partially. There's a lot of things that I still...
View ArticleVisa read not reading some data
I have a small program (attached) that seems to be reading data sometimes. I have a lens controller attached to the program through an RS232-USB adapter. When the lens controller boots up, it will...
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PCI-GPIB suddenly does not see any instruments
Hi, I would greatly appreciate any help with this issue and I will provide any extra information I have missed. Hardware setup: There is a computer (XP Professional SP 3) with a PCI-GPIB board (driver...
View Articlexbee UART
Hey guys everyone here has been so helpful!One last question though. I have an Xbee(which will be connected to the myrio through UART) and i'm wondering how I would program it to send out out data...
View Articledumb instrument control
Hello, We have developed a measurement instrument that passes raw data to the host PC via a USB interface. The instrument has little data processing capability. The host PC runs the user interface...
View ArticleUnable to install GPIB USB hs controller on Windows 8
When I try to install the GPIB USB HS controller on my laptop, which has Windows 8 64 bit, the installation does not work. Every thin goes smooth until the progress windows then nothing happen even if...
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