National Instruments USB-6008 User Manual
Bus-powered multifunction daq usb device
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Summary of Contents for National Instruments USB-6008
- Page 1 National Instruments USB-6009 Manual Get Pricing & Availability at ApexWaves.com Call Today: 1-800-915-6216 Email: sales@apexwaves.com https://www.apexwaves.com/modular-systems/national-instruments/usb-multifunction-devices/USB-6009...
- Page 2 (AI) channels, two analog output (AO) channels, 12 DIO channels, and a 32-bit counter with a full-speed USB interface. This user guide describes how to use these devices. For specifications, refer to the NI USB-6008 Device Specifications and the NI USB-6009 Device Specifications available at ni.com/manuals...
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Page 3: Safety Guidelines
NI USB-6008/6009. Caution Operate the NI USB-6008/6009 only as described in these operating instructions. Misuse of the device can result in a hazard. You can compromise the safety protection built into the device if the device is damaged in any way. If the device is damaged, contact National Instruments for repair. -
Page 4: Electromagnetic Compatibility Guidelines
Touch the antistatic package to a metal part of the computer chassis. Remove the device from the package and inspect the device for loose components or any other sign of damage. Caution Never touch the exposed pins of connectors. NI USB-6008/6009 User Guide | © National Instruments | 3... - Page 5 Store the device in the antistatic package when the device is not in use. Setting Up the NI USB-6008/6009 Complete the following steps to get started with the NI USB-6008/6009. Note For information about non-Windows operating support, refer to the Getting Started with NI-DAQmx Base document available from ni.com/manuals...
- Page 6 Plug one end of the USB cable into the NI USB-6008/6009 and the other end into an available USB port on the computer. Double-click the NI MAX icon on the desktop to open Measurement & Automation Explorer (MAX).
- Page 7 NI-DAQmx and NI-DAQmx Base. Features The NI USB-6008/6009 features a USB connector, USB cable strain relief, two screw terminal connector plugs for I/O, and an LED indicator, as shown in the following figure. 6 | ni.com | NI USB-6008/6009 User Guide...
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Page 8: Usb Connector And Usb Cable Strain Relief
Figure 5. NI USB-6008/6009 Strain Relief LED Indicator The NI USB-6008/6009 device has a green LED indicator that indicates device status, as listed in the following table. When the device is connected to a USB port, the LED blinks steadily to indicate that the device is initialized and is receiving power from the connection. -
Page 9: Screw Terminal Connector Plugs
Firmware The firmware on the NI USB-6008/6009 refreshes whenever the device is connected to a computer with NI-DAQmx. NI-DAQmx automatically uploads the compatible firmware version to the device. The firmware version may be upgraded when new versions of NI-DAQmx release. -
Page 10: Pinout And Signal Descriptions
Pinout and Signal Descriptions The following figure shows the pinout of the NI USB-6008/6009. Analog input signal names are listed as single-ended analog input name, AI x, and then differential analog input name, (AI x+/-). - Page 11 0. The following signal pairs also form differential input channels: AI <1, 5>, AI <2, 6>, and AI <3, 7>. Refer to the Analog Input section for more information. 10 | ni.com | NI USB-6008/6009 User Guide...
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Page 12: Analog Input
Analog Input The NI USB-6008/6009 has eight analog input channels that you can use for four differential analog input measurements or eight single-ended analog input measurements. The following figure shows the analog input circuitry of the NI USB-6008/6009. -
Page 13: Analog Input Modes And Signal Sources
AI acquisitions to ensure that no data is lost. Analog Input Modes and Signal Sources You can configure the AI channels on the NI USB-6008/6009 to take differential or referenced single-ended (RSE) measurements. The following table summarizes the recommended analog input mode(s) for floating signal sources and ground-references signal sources. -
Page 14: Floating Signal Sources
Use DIFF input connections for any channel that meets any of the following conditions: • Your application requires input ranges other than ±10 V. • The input signal is low level and requires greater accuracy. NI USB-6008/6009 User Guide | © National Instruments | 13... - Page 15 1 mV and 100 mV, but the difference can be much higher if power distribution circuits are improperly connected. If a grounded signal source is incorrectly measured, this difference can appear as measurement error. Follow the connection instructions 14 | ni.com | NI USB-6008/6009 User Guide...
- Page 16 For differential signals, connect the positive lead of the signal to the AI+ terminal, and the negative lead to the AI- terminal. Figure 8. Connecting a Differential Voltage Signal Voltage NI USB-6008/6009 Source AI– NI USB-6008/6009 User Guide | © National Instruments | 15...
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Page 17: Taking Referenced Single-Ended Measurements
–15 –20 Taking Referenced Single-Ended Measurements To connect referenced single-ended (RSE) voltage signals to the NI USB-6008/6009, connect the positive voltage signal to an AI terminal, and the ground signal to a GND terminal, as shown in the following figure. -
Page 18: Digital Trigger
Analog Output The NI USB-6008/6009 has two independent analog output channels that can generate outputs from 0 V to 5 V. All updates of analog output channels are software-timed. GND is the ground-reference signal for the analog output channels. -
Page 19: Connecting Analog Output Loads
Connecting Analog Output Loads To connect loads to the NI USB-6008/6009, connect the positive lead of the load to the AO terminal, and connect the ground of the load to a GND terminal, as shown in the following figure. Figure 13. Connecting a Load... -
Page 20: Source/Sink Information
Caution Exceeding the maximum input voltage ratings or maximum output ratings can damage the device and the computer. National Instruments is not liable for any damage resulting from such signal connections. Refer to the NI USB-6008 Device Specifications or NI USB-6009 Device Specifications for more information. - Page 21 Measure the resistance of the variable resistor. The measured resistance is the ideal value of the pull-up resistor. Select a static resistor value for your pull-up resistor that is greater than or equal to the ideal resistance. Reconnect the load circuit and the pull-up resistor. 20 | ni.com | NI USB-6008/6009 User Guide...
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Page 22: Power-On States
Static DIO Each of the NI USB-6008/6009 DIO lines can be used as a static DI or DO line. You can use static DIO lines to monitor or control digital signals. All samples of static DI lines and updates of DO lines are software-timed. -
Page 23: External Reference And Power Source
You can use the resulting +2.5 V reference voltage as a signal for self-test. +5 V Power Source The NI USB-6008/6009 supplies a 5 V, 200 mA output. You can use this source to power external components. Note When the device is in USB suspend, the output is disabled. -
Page 24: Related Documentation
NI-DAQmx 9.3 or later, and where applicable, version 8.5 or later of the NI application software. NI USB-6008/6009 The NI USB-6008/6009 Quick Start included with the NI USB-6008/6009 describes how to install NI-DAQmx software, install the device, and confirm that your device is operating properly. -
Page 25: Measurement Studio
Help for additional information about generating code. The NI Measurement Studio Help is fully integrated with the Microsoft Visual Studio help. To view this help file in Visual Studio, select Measurement Studio»NI Measurement Studio 24 | ni.com | NI USB-6008/6009 User Guide... - Page 26 Select Start»All Programs»National Instruments»NI-DAQmx»NI-DAQmx Help. The NI-DAQmx C Reference Help describes the NI-DAQmx Library functions, which you can use with National Instruments data acquisition devices to develop instrumentation, acquisition, and control applications. Select Start»All Programs»National Instruments»NI-DAQmx» Text-Based Code Support»NI-DAQmx C Reference Help.
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Page 27: Worldwide Support And Services
Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at .