LabVIEW program for TLB-6300-LN Velocity Tunable Laser Controller
Hello,I have a photodetector (avalanche photodiode--APD) connected to my computer via a NI-USB 6251 and I also have a velocity tunable diode laser controller (TLB-6300-LN) with GPIB which I controll...
View ArticleRecord gpib commands
I have an old instrument (magnetometer) with an old computer used for control and DAQ. The instrument is in very good shape, but the computer is very old (early 90s) and uses a proprietary software to...
View ArticleUSB communication with Measurement Computing USB 4301 daq device
Hİ guys, I am not sure about writing under the correct forum section but this section seems to me the most relevant one. Anyway, my problem is to communicate an USB daq device of Measurement Computing,...
View ArticleMeasurement & Automation Explorer (MAX) can't find any serial ports
Hello,I have searched half of the internet, but I can't find any solution for my Problem. Maybe someone of you have a clue :-) My System Information:OS: Windows 7 (64bit)LabView: LabView Professional...
View ArticleHow not to truncate the NI I/O Trace buffer value after export to txt or csv
Hello, I am trying to export a .nitrace file into txt & csv format, and I see that the buffer value is truncated after it gets exported, for example: viWrite (GPIB0::20::INSTR (0x053AF520),...
View ArticleI am looking for a IFR COM-120B driver
I have an Aeroflex COM-120B service monitor that I need GPIB drivers for, can anyone help?
View ArticleWeighing scale + Serial Port
Hello, I'm trying to read and work with weight values from an Ohaus scout pro scale connected thru the serial port, so far I'm only able to concatenate the string sent by the scale and display it on...
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Cypress EZ-USB FX2 (68613)-EEPROM missing
Hi every body, I have GPIB-USB-HS cale it was working well until i got message (Cypress EZ-USB FX2 (68613)-EEPROM missing) i couldn't see GPIB address, Could anyone help me to identify this error is it...
View ArticleTemplate - Function Generator Frequency Sweep
Good day everyone, I have tried to use Template - Function Generator Frequency Sweep, that we have in instr.lib by default, but when running it, I am getting an error ( please see 1 attached file)...
View ArticleQuery more channels by a Rigol Oscilloscope at the same time
Hi folks, I need help to understand what can i do with my oscilloscope.Initially I wrote the DEMO program, provides with the Oscilloscope. With this I were able to acquire data by a channel.Now I need...
View Articleopen session failure
Hi I am issuing some commands to my device via NI-VISA through TCP/IP. Here is what i do: 1.open session2.some application specific commands3.close session These three steps are done multiple times and...
View Articlegpib with visualfox
is posible to use visualfox to adquire measure using gpib i do it with rs232 on a agilent 34401 and it's so easy to control and adquire a measure but i have problems with GPIB
View ArticleADC communiction with UART to Labview
Hello i am tryin to send a AC voltage of about .2 volts from the ADC on my MCP3903 board with dspic33f microchip. I am able to communicate with labview through UART but not able to get the sine wave i...
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ReadString() and "Time limit exceeded to complete operation."
Hello!I'm having somewhat annoying problem with GPIB communications. I've already read the following...
View ArticleModification Amplitude signal RS 422
Bonjour, >> J'aimerai savoir si sur les cartes compatibles RS 422 (comme la PXI-8433/2) ou via le Visa série il est possible de modifier (informatiquement) l'amplitude de sortie du signal RS 422...
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How to let my PXIe device to connect on NI pxie chassis
Hi All, Sorry, my English is not very well, if some parts let you misunderstand, please kindly let me know.Thank you very much. I would like to use NI Driver wizard to create an inf file to let my PC...
View ArticleGPIB communication error with Keysight e5061b 'Query unterminated'
Hi All, I am a beginner in Labview. I am trying to run a sweep and then save the .s1p and .s2p files from the e5061b via Labview. I am constantly getting an error on the instrument i.e ' Query...
View ArticleRS232 to RS422 via GPIB-232CV-A
Hello all, I have a motor controller that needs an RS422 signal. If it sees a differential voltage above 2.5 V DC, the motor is activated. If it sees a differential voltage below 2.5 V DC, the motor...
View ArticlePacific Power 320-ASX Single Phase Mode
Hello. I have been using NI's Instrument Drivers (latest for Labview2014) for a year now and used their example directly to create a sub VI that controls my Pacific Power 320-ASX 3 phase power supply...
View ArticleData Monitoring RS-422 Lines
Hello, I need some recommendation on how to implement my system. I will have a DB-25 Female connector that I need to monitor four signals on. It will be a one-way communication of each of the four...
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