National Instruments USB-6008 User Manual And Specifications
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USER GUIDE AND SPECIFICATIONS
USB-6008/6009
Contents
This guide describes how to use the National Instruments USB-6008/6009
data acquisition (DAQ) devices and lists specifications.
Introduction ............................................................................................. 2
Safety Guidelines .................................................................................... 3
Software .................................................................................................. 5
VI Logger ................................................................................................ 5
Hardware................................................................................................. 6
Setting Up Hardware............................................................................... 7
I/O Connector.......................................................................................... 8
Signal Descriptions ................................................................................. 10
Analog Input ........................................................................................... 11
Analog Input Circuitry..................................................................... 11
MUX ......................................................................................... 11
PGA .......................................................................................... 11
A/D Converter .......................................................................... 11
AI FIFO .................................................................................... 12
Analog Input Modes ........................................................................ 12
Connecting Differential Voltage Signals.................................. 12
Connecting Reference Single-Ended Voltage Signals ............. 13
Digital Trigger ................................................................................. 14
Analog Output......................................................................................... 14
Analog Output Circuitry .................................................................. 14
DACs ........................................................................................ 14
Connecting Analog Output Loads ................................................... 15
Minimizing Glitches on the Output Signal ...................................... 15
Digital I/O ............................................................................................... 15
Digital I/O Circuitry......................................................................... 15
Source/Sink Information.................................................................. 16
I/O Protection .......................................................................................... 17
Power-On States .............................................................................. 18
Static DIO ........................................................................................ 18
Event Counter ......................................................................................... 18
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Table of Contents
Related Manuals for National Instruments USB-6008
Summary of Contents for National Instruments USB-6008
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Page 1: Table Of Contents
USER GUIDE AND SPECIFICATIONS USB-6008/6009 This guide describes how to use the National Instruments USB-6008/6009 data acquisition (DAQ) devices and lists specifications. Contents Introduction ..................... 2 Safety Guidelines ..................3 Software ....................5 VI Logger ....................5 Hardware....................6 Setting Up Hardware................7 I/O Connector.................. -
Page 2: Introduction
CE Compliance.................25 Where to Go for Support .................26 Introduction The NI USB-6008/6009 provides connection to eight analog input (AI) channels, two analog output (AO) channels, 12 digital input/output (DIO) channels, and a 32-bit counter with a full-speed USB interface. Table 1. Differences Between the USB-6008 and USB-6009... -
Page 3: Safety Guidelines
The following section contains important safety information that you must follow when installing and using the USB-6008/6009. Do not operate the USB-6008/6009 in a manner not specified in this document. 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. - Page 4 Working Voltage is the highest rms value of an AC or DC voltage that can occur across any particular insulation. MAINS is defined as a hazardous live electrical supply system that powers equipment. Suitably rated measuring circuits may be connected to the MAINS for measuring purposes. USB-6008/6009 User Guide and Specifications ni.com...
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Page 5: Software
Software support for the USB-6008/6009 for Windows 2000/XP is provided by NI-DAQmx. The NI-DAQmx CD contains example programs that you can use to get started programming with the USB-6008/6009. Refer to the NI-DAQmx for USB Devices Getting Started Guide for more information. Note... -
Page 6: Hardware
External Vbus Power +5 V/200 mA Supply PFI 0 USB Microcontroller P1.<0..3> P0.<0..7> +2.5 V/CAL 8 Channel 12/14b ADC AI <0..7> 12b DAC AO 0 12b DAC AO 1 Figure 3. Device Block Diagram USB-6008/6009 User Guide and Specifications ni.com... -
Page 7: Setting Up Hardware
Complete the following steps to set up the hardware: Install combicon screw terminal blocks by inserting them into the combicon jacks. The USB-6008/6009 kit ships with signal labels. You can apply the signal labels to Note the screw terminal blocks for easy signal identification. -
Page 8: I/O Connector
I/O Connector The USB-6008/6009 ships with one detachable screw terminal block for analog signals and one detachable screw terminal block for digital signals. These terminal blocks provide 16 connections that use 16 AWG to 28 AWG wire. Table 2 lists the analog terminal assignments, and Table 3 lists the digital terminal assignments. - Page 9 Table 3. Digital Terminal Assignments Module Terminal Signal P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0 6 P0.7 P1.0 P1.1 P1.2 P1.3 PFI 0 +2.5 V +5 V © National Instruments Corporation USB-6008/6009 User Guide and Specifications...
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Page 10: Signal Descriptions
+5 V Output +5 V Power Source—Provides +5 V power up to 200 mA. PFI 0 Input PFI 0—This pin is configurable as either a digital trigger or an event counter input. USB-6008/6009 User Guide and Specifications ni.com... -
Page 11: Analog Input
Analog Input You can connect analog input signals to the USB-6008/6009 through the I/O connector. Refer to Table 4 for more information about connecting analog input signals. Analog Input Circuitry Figure 5 illustrates the analog input circuitry of the USB-6008/6009. -
Page 12: Ai Fifo
(FIFO) buffer holds data during AI acquisitions to ensure that no data is lost. Analog Input Modes You can configure the AI channels on the USB-6008/6009 to take single-ended or differential measurements. Refer to Table 4 for more information about I/O connections for single-ended or differential measurements. -
Page 13: Connecting Reference Single-Ended Voltage Signals
Figure 8. Exceeding +10 V on AI Returns Clipped Output Connecting Reference Single-Ended Voltage Signals To connect reference single-ended voltage signals (RSE) to the USB-6008/6009, connect the positive voltage signal to the desired AI terminal, and the ground signal to a GND terminal. © National Instruments Corporation... -
Page 14: Digital Trigger
PFI 0 before starting the acquisition. To use ai/Start Trigger with a digital source, specify PFI 0 as the source and select rising edge. Analog Output The USB-6008/6009 has two independent AO channels that can generate outputs from 0–5 V. All updates of AO lines are software-timed. Analog Output Circuitry Figure 10 illustrates the analog output circuitry for the USB-6008/6009. -
Page 15: Connecting Analog Output Loads
Connecting Analog Output Loads To connect loads to the 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. Load USB-6008/6009 Figure 11. Connecting a Load Minimizing Glitches on the Output Signal When you use a DAC to generate a waveform, you may observe glitches in the output signal. -
Page 16: Source/Sink Information
Instruments is not liable for any damage resulting from such signal connections. Source/Sink Information The default configuration of the USB-6008/6009 DIO ports is open-drain, allowing 5 V operation, with an onboard 4.7 kΩ pull-up resistor. An external, user-provided, pull-up resistor can be added to increase the source current drive up to a 8.5 mA limit per line as shown in Figure 13. -
Page 17: I/O Protection
Re-connect the load circuit and the pull-up resistor. I/O Protection To protect the USB-6008/6009 against overvoltage, undervoltage, and overcurrent conditions, as well as ESD events, you should avoid these fault conditions by using the following guidelines: •... -
Page 18: Power-On States
Each line has a weak pull-up resistor connected to it. Static DIO Each of the 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 19: Specifications
Analog Input Converter type........Successive approximation Analog inputs ......... 8 single-ended, 4 differential, software selectable Input resolution USB-6008 ........12 bits differential, 11 bits single-ended USB-6009 ........14 bits differential, 13 bits single-ended Max sampling rate USB-6008 ........10 kS/s USB-6009 ........ -
Page 20: Analog Output
Analog Output Converter type ........Successive approximation Analog outputs........2 Output resolution ........12 bits Maximum update rate ......150 Hz, software-timed Output range ...........0 to +5 V Output impedance........50 Ω Output current drive........5 mA Power-on state ........0 V USB-6008/6009 User Guide and Specifications ni.com... -
Page 21: Digital I/O
Open-drain, I = –8.5mA, with external pull-up resistor — External Voltage +5 V output (200 mA maximum) ..+5 V typical, +4.85 V minimum +2.5 V output (1 mA maximum) ... +2.5 V typical © National Instruments Corporation USB-6008/6009 User Guide and Specifications... -
Page 22: Counter
Without connectors......6.35 cm × 8.51 cm × 2.31 cm (2.50 in. × 3.35 in. × 0.91 in.) With connectors.......8.18 cm × 8.51 cm × 2.31 cm (3.22 in. × 3.35 in. × 0.91 in.) USB-6008/6009 User Guide and Specifications ni.com... -
Page 23: Safety
Torque for screw terminals ....0.22 to 0.25 N · m (2.0 to 2.2 lb · in.) Safety Standards The USB-6008/6009 is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: •... -
Page 24: Hazardous Locations
Hazardous Locations The USB-6008/6009 are not certified for use in hazardous locations. Environmental The USB-6008/6009 device is intended for indoor use only. Operating temperature (IEC 60068-2-1 and IEC 60068-2-2)..0 to 55 °C Operating humidity (IEC 60068-2-56) ........10 to 90% RH, noncondensing Maximum altitude........2,000 m (at 25°C ambient... -
Page 25: Ce Compliance
Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory compliance information. To obtain the DoC for this product, visit , search by model number or product line, and click the ni.com/certification appropriate link in the Certification column. © National Instruments Corporation USB-6008/6009 User Guide and Specifications... -
Page 26: Where To Go For Support
Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.