GPIB Setup
Hello, I am using the NI-1095 and 8840 to try to get GPIB to work. I have the microGPIB cable plugged into a terminal block that then plugs into a GPIB cable into a BK Precision 9131B as a test to see...
View ArticleRS422 packets missed when transmitted at repetition rate of 15ms
Hi, I am trying to send RS422 serial packets using NI PXI 8431/4 module. My goal is to send serial frame repetitively at 15ms interval, but sometime the packets are missing as they don't occur at next...
View ArticleWatlow F4T Driver Broken Run Arrow - Can't load .DLL?
Hello all, I'm having an issue using the driver for the Watlow F4T temperature controller. I'm using LabVIEW 2015 on Windows 10 Enterprise. Inside Watlow's driver folder is a project called "Watlow...
View Articlegpib communication error
Hello,I have Keithley GPIB card and installed keithley KI-488 driver. But while running GPIB read and write codes in Labview an error message came asking to install NI-488.2 derive.Why did this...
View ArticleClik here to view.
Measure current with Keithely 2110
Hi, I'm trying to measure current with a Keithley 2110 Multimeter (LabVIEW 8). The current in sleep mode is around 3uA and has a peak at 9mA and with 0.1ms width, I would like to capture the pulse and...
View ArticleConfigure CP210x USB to UART Bridge with NI VISA
Hi, I'm trying to get the real-time data from a Davis weather station. It doesn't show up as a DAQ device in NI MAX. I changed the direct USB connection to USB connection that can simulate COM port. It...
View ArticleOld NI-488.2 Driver
I have a computer system running Windows XT and a NI GPIB-USB-A interface. I need to gather data from a couple of H-P counters. I realize this is an old system but It's what I have to do this. From...
View ArticleHow alive is IVI ?
Hello all,I'm not trying to troll, but looking at http://www.ni.com/ivi/list.htm you get the idea that IVI compatible hardware is few and all but obsolete. When doing a little research shows a lot more...
View ArticleTenma 72-2540 serial control
Has anyone got any experience controlling the Tenma 72-2540 power supply, or some other device that does not use termination characters? I got the read working by using byte count, and the write works...
View ArticleWhat is the DB9 connector pin-out for the 778475-01 USB-422 module?
I cannot locate the pin-out for the USB-485, 1-Port USB to RS-485 Converter in the users manuals or the knowledgebase. I need to know the pin designations for the DB9 connector and what pin #'s are...
View ArticleWiring to Non-standard RS-485 Device
I am designing an RS-485-based system for reading differential pressure from a pressure transducer. The attached diagram from the datasheet shows the pinout of the device, and the manufacturer...
View ArticleEmTest GPIB interface error python
I am developing driver for emtest autowave using GPIB commands for automation.my code: rm = visa.ResourceManager()device=rm.open_resource("GPIB0::18::INSTR")device.query("*IDN?") I get...
View ArticleVISA Serial Read Error Heratherm OGH100
Hello, I am trying to communicate with a Heratherm OGH100 oven from laptop using USB-RS232 adapter. I am using the VISA Test Panel of NI -MAX to send the command.I am querying the oven with...
View ArticleReplace from GPIB-USB-HS to GPIB-ENET/1000
Hello, I try to replace the control PC. But the device reply the message "ERROR" The old one:- Windows 7- PCMCIA-GPIB and GPIB-USB-HS - NI-488.2 Software 2.52- Send Command to Device : "DCB\r\n"...
View ArticleWriting to Heratherm Oven
Hi Everyone, Does anybody know the command to write to a Heratherm OGH100 oven . I want to write the Target temperature to the oven using a code. The manual does not give any information regarding...
View Articlenot working RS485 on crio9045
I want to use the onboard RS485 on the crio9045 but without success. I connected the TXD+ pin with the RXD+ pin and the TXD- pin with the RXD- pin as descript in the loopback test...
View ArticleVISA timing
I'm fairly green when it comes to VISA (very green). I am attempting to modify a VISA example to read the values off a scale. What I want is for the readings to come at a user-selected time interval...
View ArticleCan a single GPIB interface receive commands for multiple primary addresses?
I want to upgrade a system with multiple GPIB peripherals to a system with multiple PXI peripherals and maintain the same set of test programs. I can create a software abstraction layer to distribute...
View ArticleClik here to view.
相机图像显示问题
相机连接之后图像出不来COM1端口程序问题请问测试面板如何使用大家好：想请问下，我使用NI的相机驱动，使用E2V的相机，板卡型号为PCI-6731和PCIE-1433。当我安装了NI的驱动后，电脑上就显示出了错误，可以连接相机，但是相机图像出不来，请问这是怎么回事呢？出错的界面，请见附图一二。附图三，想请教这个振镜的测试面板如何使用。对于您的回答，不胜感激呀！！！
View ArticleCommands for Michell Instruments OptiCal Humidity Calibrator
I want to write my own labview software for controling a Michell Instruments OptiCal Humidity Calibrator via its 232 port but the manual does not provide any command instructions, just information on...
View Article