nat9914's address bus
hi, we are designing a GPIB interface board using NAT9914,the MCU is stm32F103VE,3.3V voltage power suply,and the NAT9914 is a 5V chip,so my question is should I connect external pull-up resistors...
View ArticleEMtest ERROR: File read problem
Hello, I am currently in process of developing driver for emtest autowave using GPIB commands. Code I have so far: rm = visa.ResourceManager()string = "GPIB0::18::INSTR"self.inst =...
View ArticleSequential control of an 1-button joystick pedal device
Hello everyone, I am trying to build a code for controlling external devices with the click of a Pedal "Joystick". Basically, this is a simple USB Pedal, which has one button, and can be pressed...
View Articlecontrolar equipo
Hola a todos! estoy trabajando en un proyecto y necesito realizar un programa tal que controle un equipo, es decir, que envie un valor de temperatura y el equipo lo ejecute, a traves de una conexion...
View ArticleE4980AL LCR high frequency buffer measurements
Hi there, I want to measure at frequencies above 10 Hz, that is, below times of 100 ms capacitance measured in a E4980AL high precision LCR meter working in short time integration time. The instrument...
View ArticleGetting VISA: (Hex 0xBFFF006C) An overrun error
I'm performing some serial communication at 9600 baud. I am sending a command and expecting 1 byte sent back (0x00). I do the write and the read immediately after with no delay. When I do the VISA...
View ArticleRestarting serial communication after disruption
Hi,I am using a USB to serial converter to communicate to a PLC inside a while structure.I am configuring the serial port before entering the loop.The communication is fine...there is no issue with...
View ArticleVISA Devices with same serial number and vendor ID cannot work together...
Hi all,I have to acquire data from two power meters YOKOGAWA using VISA driver (USB connection).They work fine if used alone, but they don't work when are used toghether. In particular, when I connect...
View ArticleGPIB-USB-HS+ and Windows Embedded
Does anyone know if the GPIB-USB-HS+ will work with Windows Embedded 7? Will the Measurement and Automation Explorer work with Windows Embedded 7? Thanks!
View Articleni 488.2
Hello, We have purchased CD KIT of NI-488.2 FOR LINUX VERSION 2.5 (P/N: 501209C-00, SO: 2254843, Date 2015/02/24).We are trying to install it through the installation guide but we are facing...
View Articleni 488.2
I have two quenstions:1. what is the difference between NI 444.2 driver installation package and NI visa driver installation package？ In common, which is selected to install when remote contro of...
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save changes to Hardware vi
I keep getting an error no matter what I use to the VI shown below. I'm attempting to add an Ethernet resource to MAX programmatically then save the changes in MAX using the Save Changes (Hardware) VI....
View ArticleMAX recognizing 3rd party non-NI PCI/USB devices that already have a device...
My company manufactures PCI and USB accquisition devices and we deistribute our own Windows drivers and DLLs. In addition, we have LabVIEW VI's that also access these devices (through the DLL)....
View ArticleLooking for Camac_library.dll
Hi everyone, we have to revive an old experimental setup with a CAMAC crate, connected via a Jorway 73A controller module to a computer running Labview 8.5. (Please excuse me if some of that doesn't...
View ArticleUSB-RS232 Modbus
Hi everybody,I'm a beginner in LabVIEW and I'm trying to acquire data from a microcontroller with Modbus serial protocol. I'm using a Prolific Technology USB-RS232 converter and Windows 7 as OS.I can't...
View ArticleI'm using the serial port (COM1) to get 4 signals by using micro controller...
As I mentioned I'm using a data aquisition board which converts 4 analogic signal into digital. I'm using PIC16F88 programmed to send 1byte by channel. Of course, a mx 232 converts TTL. Data is sent to...
View ArticleLinux NI-488.2 Application ibdev EDVR error
Hello All, I'm attempting to compile the example linux 488.2 applications located in the /usr/local/natinst/examples directory (devquery.c and findinstr.c). I've downloaded the latest ni488.2 device...
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How to read input register over 65535 ?
hi,i have problem about read input register. i made program labview to monitoring Counter ( made by Autonics ),my problem is when the counter is counting over 65534, suddenly on my program read 65535 =...
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How to read input register over 65535 ?
hi,i have problem about read input register. i made program labview to monitoring Counter ( made by Autonics ),my problem is when the counter is counting over 65534, suddenly on my program read 65535 =...
View ArticleSolaris 2 GPIB driver availability?
I am using it currently on SunOS 4.1.3 but would like the option to use a newer version of Solaris. According to NI website:The GPIB-ENET, SB-GPIB and the SCSI-GPIB drivers for Solaris 2.x are not...
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