Clik here to view.
MODBUS IO server serial: No Known Values of Shared Variables, but upadaing ON
Two IO servers should communicate over TCP/ethernet network by using RS485 and Modbus Serial protocol. Servers are accessing the same COM port (10) but with different addresses (1 and 2)....
View ArticleDriver Wizard Possible Problems After Forced Windows 10 Creators Update
I have a custom PCI board that I had been using the VISA driver wizard and LabVIEW with. It has been working fine until recently. I am able to write to and read from the board with no problems but...
View ArticleTimeout error Visa read with Yudian controller 508P
Hello, I have designed a program for controlling and monitoring 3 of these controllers embedded into the furnace (see picture 1). Program interface looks like this (see picture 2). The operation behind...
View ArticleClik here to view.
FormattedIO.ReadBinaryBlockOfByte
I am trying to read binary trace data from RS spectrum analyser. I have had this working before with VisaNS.dll 13.0.45.167, but NI seem to have introduced changes that mean that my code no longer...
View ArticleLong measurements using Keithley 2450 SMU, USB Communication
I cannot perform IV curves and properly download the data with Sourcemeter Keitley 2450. I tried with the example program "Keitley 2450 Sweep and Acquire Measurements.vi" from keithley.com but I got...
View ArticleCapturing .csv files from a R&S Spectrum Analyzer
Hi, I am working on a project in WPF C# to save the trace of a spectrum analyzer to a .csv file on a PC for post processing. When I call the SaveTrace() method nothing seems to happen. using...
View ArticleHow can I unistall IVI specified driver(IVI-C driver)?
I still can't connect Agilent oscilloscope with Matlab after I installed the IVI specified driver for Agilent DSO7012A, so I delete something about IVI compliance package. Since then I can't acquire...
View ArticlePCIe-1430 with NI-VISA API compatible on linux?
We want to use the NI-VISA API to control the PCIe-1430 framegrabber and hence the camera. After reading about the NI-VISA API it looks as if every serial communication hardware is supported on a...
View ArticleDriver Type for device commincated via GPIB-USB-HS
Hi all,I have a device with GPIB interface and a NI GPIB-USB-HS cable. I found a driver for the device with the type of IVI. I wonder if this type of driver could work with GPIB-USB connection. Thank...
View ArticleNational instruments and stanford research lock in amplifier
Friends, Can my 6353 X-series DAQ be used for data readout from a stanford research 844 lock in amplifier. The lock in offers RS 232 and GBIP connectivities?
View ArticleEthernet communication with Laurel meter
I am trying to communicate with a Laurel meter (Counter for an encoder) over Ethernet and I can't really get anything to work... This is what I know:I can communicate and control the device with their...
View ArticleProblems finding VisaComLib documentation
Hello, I have an old Excel VBA macro that uses the VisaComLib to read data from an oscilloscope and stores it in a spreadsheet. Since now I have a new oscilloscope I need to adapt the old macro code to...
View ArticleAutodetect GPIB when plugging in
Hello, I am trying to automatically detect when a GPIB 488.2 is plugged into my device so that I can disable the buttons on it, i.e. enter remote mode. Is there a pin of the GPIB I can route to my...
View ArticleVISA: (Hex 0xBFFF0011) with cRIO-9030
Hi,In my project I use cRIO-9030 connect with a third party board using USB-RS232. I got the error VISA: (Hex 0xBFFF0011) Insufficient location information or the device or resource is not present in...
View ArticleClik here to view.
Issue with controlling a heating element using PID vi
Hi everyone, I'm facing a hard time to maintain a tide control of a heating element using labview pid vi. My project requires maintaining precise control over a range of temperatures (180 - 360 degC)....
View ArticleHow can MCU communicate to GPIB-USB-HS ?
HI NI,I am working with TM4C1294xl evaluation board http://www.ti.com/tool/EK-TM4C1294XL, trying to communicate the test equipments with GPIB interface. I can't use any OS for this project due to the...
View ArticleVelleman K8090 strange response
In order to get the firmware on the Velleman k8090, I send \04\71\FF\00\00\8C\0F However, as soon as I write the above command in a string constant (codes display), it becomes \04q\FF\00\00\8C\0F The...
View ArticleClik here to view.
AVL Digas 4000 - Problem getting data
Hello everyone, i am a university student at my final year and as a project i am trying to build a block diagram for getting some datas from an engine. But i am having problems communicating with AVL...
View ArticleIncrease acquiring rate of Agilent 34401A multimeter
Hello, I'm using Agilent 34401A to measure DC voltage from a Hall Sensor through GPIB connection. It reads 3 points per second, approximately. I need to increase this number.Can anyone help me? I've...
View ArticleGPIB Error when connected to 2 slaves
Gurus, I'm working with a customer in setting up handler equipment with an ATE using GPIB interface.The ATE is also connected to an external voltmeter used by test programs for calibration.VM address...
View Article