How to use Instrument I/O Assistant to read, write and analyze data for a...
Hallo Guys, with the help of Assistant to Instruments I/O, I could place my instrument from the dropdown box and have selected the data entry type to GPIB followed by marking 488.2 tick box for error...
View ArticleCan issue commands to and recieve data from instrument via MAX query but not...
Hello, I can succesfully issue commands to and recieve data from instrument via MAX query but not MAX read and write. I know the instruments allows sends a response to a command even if its just...
View ArticleRSA306 USB Device with MAX
i am trying to use the RSA306 Spectrum Analyzer for an automated RF test. I am unable to see the device in MAX. I downloaded the SignalVU-PC program that comes with the RSA306. When the application is...
View ArticleDSO9404A Automation using Labview
Dear sir, I would like to know whether it is possible to access digital output (4 channels) of above DSO9404A oscilloscope through Ethernet using LabVIEW. I tried with DSO9404A IVI drivers and example...
View ArticleUsing Ohaus Ranger scale with NI 9870 (cRIO)
Hello, I am using a NI cRIO-9074 data aquisition system with a NI 9870 4-Port, RS232 Serial Interface Module, and am programming with LabView 2012. I'm currently looking for a scale with an RS-232...
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PID control of power supply
Note: I realize this post may be considered off-topic, but I think my problem lies with how I'm trying to control my instrument (not the PID controller); hence, I posted my question here. Please...
View ArticleLooking for a Dead cRio target.
Im hunting for a dead cRio target to repurpose. If anyone has one they are looking to get rid of please let me know ThanksDave
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RS 232 Communication Initialization
Hello Friends, I have a pump system, LAMBDA Fracrional Pump. The communicatoin appendix is attached here. I am trying to initialize a serial write/read connection but I can not read any byte from...
View ArticleI can't find the port in other PC ??
while I change the VI from my PC to another, my program (read serial port by using visa) can't find the port, I push refresh but nothing happens despite the 'COM' is installed.
View ArticleVISA read error from dynamixels
Hey guys, I am trying to write a low level serial communication VI for reading speed from a dynamixel using labview and the myRIO. The VI I use to do this (attached below) works on the first iteration...
View ArticlePLC communication
I'm communicating with a schneider PLC (serial port) through visa (well configurated : baude rate, stop bits...) but nothing happen in 'read buffer' when the program is running !!!
View ArticleI need to set my HP 34401A's input impedance to >10G through GPIB
Hi NI Community, I am working on a project where I need to set my HP 34401A's input impedance to >10G through GPIB. The only option I have found for this is to set the input inpedance to auto, but...
View ArticleVISA VXI Cmd or Query Function
Hello, I'm trying to use the VISA Query Function to issue queries and receive the response but I'm not sure how to do this since the function description says "command" or query is just 32 bits. Also...
View Articlevisa read & write
How can I use visa (serial port) to write in COM and read from another.
View Articledead loop in using LPT port
Hi all, I installed labview 2013 today on windows 7. I have a old circuit board will take 25 point printer port as input to light up some LEDs based on the data pass to the port. After some reseachs...
View ArticleVoltage Measurement Instrument
Hi, I'm looking for an instrument such as a voltmeter that can measure voltage drop across two points. I would like it to have an output I can connect to my computer so that I can monitor the voltage...
View Articleni-845x driver win7 67bit error during install
Hello,We get this error only on 1 machine (on others 64bit or 32 bit, install work fine).We have admin right.We tried 14.0 and 2.1 version. Look like this...
View Articleusb 6501 and pyvisa
Hi I'm trying to control the I/O of the USB 6501 device from NI via pyvisa. I can launch the test part from NI max and it works well. However when I want to see the device with ResourceManager() with...
View Articlehow to close a Vi session using GPIB 488.2 blocks?
Visa has a close function block to close a session just by reading the visa resource name. I would like to have a close session vi using 488.2 blocks. is it possible or is there a command with which I...
View ArticleProper Equipment Initialization
Hello,One thing that has always bugged me is "what should I do for proper equipment intialization?" When I write a program, the program itself does not know the status of the equipment I'm...
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