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Unexpected 0V Readings When Using Screw Heads as Contacts When I use a voltmeter to measure the voltage between two screw terminals, I read a voltage near 0V no matter what voltage is currently being output. Why is this? How do I take accurate measurements of my output voltage? URL: http://digital.ni.com/public.nsf/allkb/DBA239DBCB904E458625743B006B7FE1

USB-621x Can Generate Unexpected Values with NI-DAQmx 8.7 When using NI-DAQmx 8.7 driver software, NI USB-621x devices (USB bus-powered M Series multifunction DAQ) may generate unexpected values on the analog output channels. National Instruments released NI-DAQmx 8.7.1 to fix this problem. This behavior does not occur in previous versions of URL: http://digital.ni.com/public.nsf/allkb/58C3C3F69606C1B8862573EF00802143

How Do I Know When My Finite Pulse Train Is Done? I am generating a finite pulse train using a counter with NI-DAQmx. I need to know when my finite pulse train is done. I tried using the Is Pulse Done? and Ready For New Value DAQmx Channel Property Nodes, but they don't work. How can I tell when generation URL: http://digital.ni.com/public.nsf/allkb/7EF0241890D1E1AF8625730800566387

我如何知道有限脉冲序列已经发送完成？ 我在NI-DAQmx中使用一个计数器产生了一个有限脉冲序列。我想知道什么时候我的有限脉冲序列结束？我尝试用DAQmx通道属性节点Is Pulse Done?和Ready For New Value，但是它们不能工作 。我如何知道有限脉冲序列产生已经完成呢？ URL: http://digital.ni.com/public.nsf/allkb/35FF8779B7826DA68625738200347DD8

Why Do I Receive Drift Readings when Using Analog Input on My DAQ Device? When I feed a voltage source through an analog input channel on my DAQ device, I see the voltage drift. Why is this happening when I am feeding the device a constant signal? URL: http://digital.ni.com/public.nsf/allkb/08384B7B2ADD360D862572F1003DEC29

為什麼我在使用我的DAQ裝置做類比輸入時會讀到飄移的值? 當我輸入一個電壓訊號給DAQ裝置的類比輸入, 我看到電壓在漂移. 為什麼我給的是一個固定的電壓值卻會發生這樣? URL: http://digital.ni.com/public.nsf/allkb/51553B5F4FC87E248625741F0036F9CB

MAX에서 시뮬레이션이 지원되지 않는 DAQ 디바이스 NI-DAQmx가 지원되는 디바이스를 가지고 있고, NI-DAQmx를 설치했습니다. MAX에서 해당 디바이스를 시뮬레이션하려고 하는데 설정 tree에서 내 시스템>>디바이스와 인터페이스>>NI-DAQmx디바이스에서 마우스 우클릭하여 새 NI-DAQmx디바이스 URL: http://digital.ni.com/public.nsf/allkb/7043425C266978A1862572E6000FEF8C

Why Can't I Simulate my DAQ Device in Measurement & Automation Explorer? My device is supported in NI-DAQmx and I have NI-DAQmx installed. I would like to simulate my National Instruments DAQ device in Measurement & Automation Explorer (MAX). When I navigate in the MAX Configuration tree to My System » Data Neighborhood » Devices and URL: http://digital.ni.com/public.nsf/allkb/4B20AD64F650D2D5862572C2005779A7

¿Por qué no Puedo Simular mi Dispositivo en Measurement & Automation Explorer? Mi dispositivo si es soportado por NI-DAQmx y lo tengo instalado en mi computadora. Quiero simular mi dispositivo en Measurement & Automation Explorer (MAX). Cuando voy a voy a My System » Data Neighborhood » Devices and Interfaces y doy clic derecho en NI-DAQmx Devices y selecciono Create New URL: http://digital.ni.com/public.nsf/allkb/E6B55E10990A5E3A862572C6006934EE

Rudimentary Circuit to Eliminate Glitches/Bounces on a Signal I have a shaft rotator that is rotating two magnets. Once the magnet passes a point on the rotator, it closes the switch to my analog input device. However, I am seeing glitches on my signal once the circuit is closed. How can I eliminate these glitches? URL: http://digital.ni.com/public.nsf/allkb/93FA5F2325B220108625724500740A1D