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Channel: Instrument Control (GPIB, Serial, VISA, IVI) topics
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Tenney C-EVO Environmental Test Chamber with PLC Smart 1.0 Controller

Hello, I am planning to control a Tenney C-EVO Environmental Test Chamber (Thermal Product Solutions) by sending recipes from LabView to the PLC Smart 1.0 Controller. The communication ports included...

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convertir un Cstring en ViBuf

Bonjour tout le monde, J'essaie de créer une IHM sous visual studio 2010 afin de piloter un atténuateur. Je suis notamment amené a utiliser la fonction viWrite() (librairie VISA) qui permet d 'envoyer...

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how to convert a Cstring to a ViBuf

hello, I'm trying to control an attenuator with visual studio 2010 in C++ whith VISA library and i want to permit the utilisator to choose  the level of attenuation.to realize this  i need to send to...

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Basic Connection to TPS2024B

I have a very basic task: to track 2 separate DC voltage signals over time, recording a measurement every 5 sec over a few hours. I have an ASUSPRO with Intel i7 running Windows 7 64bitI have access to...

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data acquisions in two timed loops sometimes dont reads the input signal

Hello..  I am using a timed loop inside the master while loop, in which i do data acquisition for 6 sensors. Kindly see the attachment to get a overview. Also i have a infinite while loop (or atleast...

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pH-Measurement

Hello, i'm a german student, using LabVIEW now, but at one point got stuck.So, i'm using a PCI 6024e Card and a BNC 2120. LabVIEW Version, not sure, quite old, around 6.0 or 6.1 I guess.Furthermore i...

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Labview + PLC Omron rs232

Greetings everyone First of all, thanks to everyone that reads this post and has patience to ignore my grammar mistakes (English is not my main language).Im in need of controlling a plc from Omron...

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IviDmm lack of channels

Hello everybody! I am going to write IVI driver for signal condition LXI instrument which have 16 thermocouple channels. Perfect IVI class driver for this device would be IviDmm - Digital multimeter....

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VISA lib parallel poll for old 488 instrument

I've looked around to see if there is an answer for this, but I can't seem to find any. I want to use the VISA library to communicate with a Scientific Atlanta 1780 Phase Amplitude Receiver, and I need...

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Spectrum Analyzer GPIB Record and Save to AVI, MPEG, or MP4 file

My objective is to record a waveform using labview and save it as an AVI, MPEG, or MP4 file to be able to replay it back at a later time. I would like to know if it is possible to capture a waveform...

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How to change target field without close EditPSSetting.vi?

Hi,I apologize for the title of this message, but i did not have better idea. I am newbie in LV and honestly I dont know if i am writing to right forum lacotaion. To my question - I attached VIs which...

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Hyper terminal in labview problem

HelloI am working in a project where i wanted to replace the Hyperterminal user interface with the rich labview user interface.I have to communicate to a customised card where i will send some command...

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How is ENET-232/4 Supported Now that NI-Serial 14.0 has Removed Support for...

Dear smarter people than me, I have been pulling my hair out trying to get my brand new ENET-232/4 units running under the lastest and greatest LabVIEW envirenment (2014).  After finding that none of...

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Issues with adjusting GPIB Bus Timing

Hi Everyone I want to change my GPIB bus timing and HS-488 cable length  but I have issues doing so in NI-MAX using windows 7 64bit.I think this is due to administrator access rights, but all the...

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GPIB-CPU Timing Issue (Generic I/O error)

Greetings! I'm currently working on the development of a Flash Photolysis instrument using Labview 2009 and have recently upgraded our computer but have run into some issues. At random points there is...

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Trouble with Agilent 4156C and older driver

Hey, I am having issues with our Agilent 4156C. As I am quite new to LabVIEW I asked around in my institute and there is in deed another group working with a 4155C, doing similar measurements as I wish...

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Creating a User Interface to control a HAMEG HMF2525 Arbitrary Generator...

Hi everyone! This is my first post here as I'm just starting to learn about LabView at my university and would like some help with a project I'm working on. My general assignment is basically outlined...

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Read power meter in LabVIEW via RS-232/RS-485

Hello! I have a power meter , WM14-DIN advanced power analyzer. I want to display different values , Kwh,VA,Kvar etc, from the meter in graphs in labview. I have just a basic understanding of Modbus...

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Using local variables to "clean up" diagram

I have attached a photo with red circles indicating my use of local variables to "clean up" a block diagram. Would I run into any issues doing this? Can I leave this task and error unwired? -Sarah

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String Subset from Serial error

Hi EveryoneI have  a simple program. I have used arduino to tranfer some string to labview.And In Labview I want to Subset string. But, It is working only first string and the later strings not be...

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