4 wire sensing erratic behavior (LabView & Keithley 2400)
I am currently attempting to take a 4 wire measurement sourcing current with a Keithley 2400. However I keep having very erratic measurements. I am currently measuring a 150.5nm Silver thin film. I am...
View ArticleNI-PXI-GPIB - communication - Change in data received compared to actual data
Hi,We are using NI-PXI-GPIB card in one of our systems for interfacing with nearly 20 differently addressed instruments. The GPIB card is fit into a cPCI backplane, controlled by the Advantech cPCI...
View ArticleVISA troubleshooting with puTTY
I am attempting to talk to a device through USB but it acts as a COM port/ serial connection through a driver. I am writing commands to the device, and the the bytes in port vi shows that bytes are...
View ArticleError -1074001919 occurred at Read Spectra.vi using HR2000
Hello!I'm using LabVIEW 2011 (32-bit) on a Windows 7 computer. I downloaded the Ocean Optics 2000 4000 driver and installed the driver as described in the Ocean Optics 2000 4000 Instrument Driver...
View Articleusb845x error -301742 slave did not ack
I am getting the error -301742 even though the slave does acknowledge the address. The application worked last week. I shut down the computer over the weekend and now it does not work.
View ArticleReverse polarity test using Programmable Sorensen Power supply
Can we conduct reverse polarity test for sorensen Programmable power supply controlling using Labview. ?. Plese advise.
View ArticlenationalInstruments.common.dll 8.6.20 needed
I am working on a project which have been developed by the others , I met a problem with the nationalInstruments.common.dll . The type 'NationalInstruments.ComponentBase' is defined in an assembly...
View Articletrouble with Serial time delay
hi,i need help.my problem is that there are no output and input parameter is changing very fast,but subvi has results only when the subvi runs in the process of highlight.i think it might because of...
View ArticleCommunication error with Keithley 2602 by RS232 - USB interface
Hello Everyone: I am trying to control a Keithley 2602 Sourcemeter using LabVIEW v.8.2, however I am having trouble getting them to communicate. I am fairly new at LabVIEW and have not found the user...
View ArticleInterfacage module GPIB-USB-HS avec Devc++
Bonjour, Je souhaite piloter un multimètre via le module NI GPIB-USB-HS, le tout piloter par un programme sous DevC++. J'ai télécharger et installer le pack "ni4882_311.exe". Lorsque je charge le...
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NI 488.2 software failing Troubleshooting Utility
I am unable to control my instruments using my known good software and a known good GPIB-USB-HS controller. I am using Teststand to call VB6 and VB.NET code which is working on other PCs. I am...
View ArticleHP5350B not responding to GPIB commands
Hello, I have been using the HP5350B, an old HP frequency counter for a remote control application. I am using the GPIB commands to send and receive messages from the instrument. I have attached the...
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intermittent 'empty' reply to measurement request EABO (6)
Hi, My system is a Dell PC running Windows XP Professional (service pack 3) and I am using a PCI GPIB card to communicate with 2 instruments. I am using the NI tools version 3.1.1 I'm having some...
View Article2 gpib controllers on 2 different computers controlling one bus (not at the...
Is there a way to achieve this whithout any conflict between the gpib boards ? How to configure these gpib boards ? Thanks
View Articletelnet03 = InetTelnetOpen ("192.168.0.3", 23, 0);
To Whom It May Concern, Telnet works fine but, I get the following error when running the following function: telnet03 = InetTelnetOpen ("192.168.0.3", 23, 0); NON-FATAL RUN-TIME ERROR: "Gateway.c",...
View ArticleSicronización LIA stanford research 830 y equipo de bajas temperaturas
Hola! Estoy tratando de sincronizar un circuito de medida entre un LIA stanford Research y un equipo de bajas temperaturas; el VI del LIA lee datos y además envía una señal escalon como se muestra en...
View ArticlePyVISA, USB-6225 in WindowsXP SP3, ActivePython 2.7.2.5
I just bought a brand new USB-6225 with the SCB-68A 68-Pin Connector Block box. I have a question about how to use this device in Python with PyVISA. The problem is that the USB0 device does not...
View ArticleNI 488.2 Install in Ubuntu 13.04
Are there any plans on supporting Debian based installations? I want to use Ubuntu and Raspberrypi for my instrument control and automation.
View Articleframing error when trying to read large amount of data. (between 2-pc)
i've got framing error when trying to read large amount of data. And setting the buffer size didn't help me. any suggestions ?
View ArticleOceanOptics USB2000+ VISA read problem
Hi,I am having problems communication with my Ocean Optics USB2000+. I use the drivers from the NI webpage.http://sine.ni.com/apps/utf8/niid_web_display.model_page?p_model_id=16709 The driver for the...
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