How to Build a Current Loop System with Isolated M Series?
I want to build a 4 - 20 mA current loop system with Isolated M Series Device. Which module should I use and configurations are possible?
URL: http://digital.ni.com/public.nsf/allkb/28DEBF6F355C828E862573F70003B5BC
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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
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Some Manuals Provide Incorrect Instructions for Accessing the Device Documentation Browser
Some DAQ hardware documentation indicates that Start menu shortcuts exist for device documents. However, when I try to access these shortcuts, they are not installed on my system. Have the shortcuts moved?
URL: http://digital.ni.com/public.nsf/allkb/AAB917E1AB320301862573E00074E982
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Different Types of Isolation: Channel-to-Channel, Bank (Channel-to-Bus), and Channel-to-Earth Ground Isolation
What are the differences between the types of electrical isolation NI offers on devices? I do not understand the differences between channel-to-channel, bank (channel-to-bus), and channel-to-earth ground isolation.
URL: http://digital.ni.com/public.nsf/allkb/CF71091043A6193B862573D70077138B
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Why Does My USB 6008/6009 Have Different Resolutions for Differential and Single-Ended Measurements?
The user guide for the USB-6008 and USB-6009 says that there are two different input resolutions: NI USB-6008 12 bits differential
URL: http://digital.ni.com/public.nsf/allkb/36D8A8E6F047F313862573D10080547C
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DAQmx Task Gives Error -200077 When Creating a Custom Scale
I am trying to create a custom scale for the signals acquired from my USB 6259. I have created an analog input task in Measurement and Automation Explorer, and I have selected custom scale. I am using a map range scale to scale values proportionally from a range of pre-scaled values
URL: http://digital.ni.com/public.nsf/allkb/2D94E6E7ED64DC5C862573C20075B217
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What Options Do I Have for Hardware-Timed Digital I/O on my M Series DAQ Device?
I am using an M Series Multifunction DAQ device to acquire or generate digital signals. I know that my device does not have an onboard timing engine for digital I/O. Therefore, I will have to use some other clock source to time the
URL: http://digital.ni.com/public.nsf/allkb/51754212AD10BDCE862573BD007BFDD2
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Clearing the User-Accessible EEPROM on an NI-DAQmx Supported Device
I need to clear all the user-accessible memory on my device for security reasons. I know that volatile memory loses its contents when the device is powered off, but non-volatile memory retains its contents. The EEPROM is the only non-volatile memory on NI-DAQmx supported devices. How do I
URL: http://digital.ni.com/public.nsf/allkb/E6719B82A2C0C2EC862573B600165510
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Errors with USB Devices and NI-DAQmx Base
When running a program using NI-DAQmx Base with a USB device, I get an error that I cannot resolve.
URL: http://digital.ni.com/public.nsf/allkb/B179266E288CE329862573B40078DDC9
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How Do I Force Windows to Remove and Redetect a USB Device?
I have to disconnect and then reconnect my USB device for Windows before it will work. This often happens after losing power to the device but not to the computer. How can I do this manually, without having to physically disconnect the device?
URL: http://digital.ni.com/public.nsf/allkb/1D120A90884C25AF862573A700602459
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