strange serial write problem in labview 8.5
I'm having a very strange problem with simple serial port write in labview. I'm running the 'Advanced serial write and read.vi' program from NI examples. I connected a microcontroller board on the...
View ArticleSyncing Voltage Reading Acquisition Start on Multiple Instruments
Hello, I'm doing a lot more work with intrument control lately so please forgive the uptick in questions. I'm dealing with a unique issue I haven't encountered before and I could use some advice....
View ArticleLeCroy wavesurfer acquisition loop slowdown
Hello, I am trying to acquire waveforms from a wavesurfer 434 over ethernet, and I am running into a problem where the scope triggers and then displays a "Processing... " message for multiple seconds...
View Articlefastcom ESCC-PCI driver
Can anyone please help me in finding the serial interface driver for Fastcom ESCC-PCI RS422 card.?
View ArticleNI-845x
I’d like to use an NI-845x to capture 6 channels of 14 bit data from an LTC2351 ADC. I get errors using the NI-8451 in conjunction with the SPI streaming API and CVI. A trawl on the internet infers...
View Articlesetting up a DS345 with GPIB-USB-HS
Quick guide to how to set up a Stanford Research Systems (SRS) DS345 synthesized function generator. 1) Ensure you're not going to shock anything (i.e. having the computer and device on two different...
View Articleacquisition analog voltage Ni USB 6259: inverted signal
Hello,I have aUSBNi6259BNCI createdan analogvoltageacquisitiontaskwithNiDAQMXon waysfrom AL0 toAL8I dealwithDasyLab(acquisitionI /O->displayChartRecorder)MyPBis that theBNCsignal (coming hereaGBF)...
View ArticleGPIB USB HS keithley 6487
Dear All I would like to us NI GPIB HS to control keithley 6487. Can I use the software supplied by the manufacturer Excelinx, which is I think written in C++. Is this possible or I need a LabView drive?
View ArticleType and size of memory
Need to know the type and size of memory in a GPIB-485CT-A, spec only shows buffer RAM not anything else
View ArticleWindowsXP support for GPIG%2FPCI%2FDOS
I have 21 GPIB instrument control programs which run perfeectly on a PIII with an NI ISA PNP board. They also run on a PII IBM laptop in a dock with an NI ISA GPIB board. I have a P4 with a NI...
View Articlea program for an oscilloscope GDS-840C
hello,i need a program for an oscilloscope with his caracteristiques ( frequency, off set..)i'm using an: oscilloscope GDS-840Clabview 8.5us232
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NI sbRIO Ethernet connection
Just start using NI sbRIO-9642. The problem is occured when connect with PC as following:The card is always can't be configured by PC.Am I missing some steps of setting?Thanks
View ArticleConfiguring termination character for Instrument I/O assistant
Hello,I am configuring an instrument using "Instrument I/O assistant" to read and parse incomming data, but the data coming out of it utilizes a "/n" termination character twice, I want to terminate on...
View ArticleNew Drivers For Very Old Board
I have a PCI-GPIB/+ board. Need drivers for Windows 7 and 8.1. Board is dated 1997. WIll current drivers for PCI-GPIB+ work?The Assembly number is 183617C
View ArticleWhy do i get this error trying to access Hokuyo URG LiDAR on myRIO?
Hi, I am trying to use a Hokuyo URG -04LX-UG01 LiDAR on a myRIO. I read that i should try to communicate with the device in MAX but then i got the error shown in the picture. I've tried this...
View ArticleAK Protocol
I have O2 analyzer ( model 600p) from CAI. They use AK protocol. I use labview 2013. I would like to through RS232 or TCP/IP sending commands to control the analyzer. I want to use their two control...
View ArticleReading Large data from serial port
Hello, I'm trying to read data from an instrument using serial port. for my test file I'm using labview example, I attached its block diagram, the file name is "Basic Serial Write and Read_1 bit.vi"....
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hp 3311 A function generator GPIB
Hi, I've a Hp 3311 A function generator and I'd like to control it by GPIB. I'd tested with the example in labview "GPIB.vi" but when i send it a command, pej "APPLIN 1.0E+3, 3.0, -2.5" it doesn't work...
View ArticleJavaScript GPIB Communication using a COM ActiveXObject
Is there a way to preform GPIB communication using JavaScript? Perhaps by creating an "NiVisaCom" object? There are about 20 different progid's for the NI VISA VXIPNP dll registered on my computer...
View ArticleIO Trace attribute
Hi, I got the following suspicious row in IO Trace. 16. VISA Set Attribute ("ASRL10", 0x3FFF01BF, 128)Process ID: 0x000013EC Thread ID: 0x00000938Start Time: 14:53:54.455 Call Duration...
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