USER GUIDE AND SPECIFICATIONS
NI USB-6008/6009
This guide describes how to use the National Instruments USB-6008/6009
data acquisition (DAQ) devices and lists specifications.
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.
Note This manual revision updates naming conventions to reflect the conventions used in
NI-DAQmx. Table 1 notes the correlation between the old and updated names.
Table 1. Digital Output Driver Type Naming Conventions
Hardware Functionality NI-DAQmx Terminology
Open-drain Open collector
Push-pull Active drive
Table 2. Differences Between the NI USB-6008 and NI USB-6009
Feature NI USB-6008 NI USB-6009
AI Resolution 12 bits differential,
11 bits single-ended
Maximum AI Sample Rate,
Single Channel
*
Maximum AI Sample Rate,
Multiple Channels (Aggregate)
*
10 kS/s 48 kS/s
10 kS/s 48 kS/s
14 bits differential,
13 bits single-ended
DIO Configuration Open collector Open collector or active drive
*
System dependent.
1
1 Analog 16
NI USB-6009
8 Inputs, 14-bit, Multifunction I/O
32 Digital 17
1 USB Cable Strain Relief
Figure 1. NI USB-6008/6009
Figure 2. NI USB-6008/6009 Back View
NI USB-6008/6009 User Guide and Specifications 2 ni.com
Safety Guidelines
Caution Operate the hardware only as described in these operating instructions.
The following section contains important safety information that you must
follow when installing and using the NI USB-6008/6009.
Do not operate the NI 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. If the device is damaged, contact National Instruments for repair.
Do not substitute parts or modify the device except as described in this
document. Use the device only with the chassis, modules, accessories, and
cables specified in the installation instructions. You must have all covers
and filler panels installed during operation of the device.
Do not operate the device in an explosive atmosphere or where there may
be flammable gases or fumes. If you must operate the device in such an
environment, it must be in a suitably rated enclosure.
If you need to clean the device, use a dry cloth. Make sure that the device
is completely dry and free from contaminants before returning it to service.
Operate the device only at or below Pollution Degree 2. Pollution is foreign
matter in a solid, liquid, or gaseous state that can reduce dielectric strength
or surface resistivity. The following is a description of pollution degrees:
• Pollution Degree 1 means no pollution or only dry, nonconductive
pollution occurs. The pollution has no influence.
• Pollution Degree 2 means that only nonconductive pollution occurs in
most cases. Occasionally, however, a temporary conductivity caused
by condensation must be expected.
• Pollution Degree 3 means that conductive pollution occurs, or dry,
nonconductive pollution occurs that becomes conductive due to
condensation.
You must insulate signal connections for the maximum voltage for which
the device is rated. Do not exceed the maximum ratings for the device. Do
not install wiring while the device is live with electrical signals. Do not
remove or add connector blocks when power is connected to the system.
Avoid contact between your body and the connector block signal when hot
swapping modules. Remove power from signal lines before connecting
them to or disconnecting them from the device.
© National Instruments Corporation 3 NI USB-6008/6009 User Guide and Specifications
Operate the device at or below the Measurement Category I1. Measurement
2
circuits are subjected to working voltages
and transient stresses
(overvoltage) from the circuit to which they are connected during
measurement or test. Measurement categories establish standard impulse
withstand voltage levels that commonly occur in electrical distribution
systems. The following is a description of measurement categories:
• Measurement Category I is for measurements performed on circuits
not directly connected to the electrical distribution system referred to
3
as MAINS
voltage. This category is for measurements of voltages
from specially protected secondary circuits. Such voltage
measurements include signal levels, special equipment, limited-energy
parts of equipment, circuits powered by regulated low-voltage sources,
and electronics.
• Measurement Category II is for measurements performed on circuits
directly connected to the electrical distribution system. This category
refers to local-level electrical distribution, such as that provided by a
standard wall outlet (for example, 115 V for U.S. or 230 V for Europe).
Examples of Measurement Category II are measurements performed
on household appliances, portable tools, and similar E Series devices.
• Measurement Category III is for measurements performed in the
building installation at the distribution level. This category refers to
measurements on hard-wired equipment such as equipment in fixed
installations, distribution boards, and circuit breakers. Other examples
are wiring, including cables, bus-bars, junction boxes, switches,
socket-outlets in the fixed installation, and stationary motors with
permanent connections to fixed installations.
• Measurement Category IV is for measurements performed at the
primary electrical supply installation (<1,000 V). Examples include
electricity meters and measurements on primary overcurrent
protection devices and on ripple control units.
1
Measurement Category as defined in electrical safety standard IEC 61010-1. Measurement Category is also referred to as
Installation Category.
2
Working Voltage is the highest rms value of an AC or DC voltage that can occur across any particular insulation.
3
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.
NI USB-6008/6009 User Guide and Specifications 4 ni.com
Software
Software support for the NI USB-6008/6009 for Windows 2000/XP/Vista
is provided by NI-DAQmx.
The NI-DAQmx CD contains example programs that you can use to get
started programming with the NI USB-6008/6009. Refer to the NI-DAQmx
for USB Devices Getting Started Guide, that shipped with your device and
is also accessible from Start»All Programs»National Instruments»
NI-DAQ for more information.
Note For information about non-Windows operating system support, refer to
ni.com/info and enter rddqld.
LabVIEW SignalExpress for DAQ
The NI-DAQmx CD includes LabVIEW SignalExpress for DAQ which is
an interactive, measurement software tool for quickly acquiring, analyzing,
and presenting data with no programming required. The application is
available at Start»All Programs»National Instruments»
LabVIEW SignalExpress.
NI DAQ»
© National Instruments Corporation 5 NI USB-6008/6009 User Guide and Specifications
Hardware
The following block diagram shows key functional components of the
NI USB-6008/6009.
Full-Speed USB Interface
Vbus
USB
External
Powe r
Supply
USB Microcontroller
SPI
8 Channel
12/14b ADC
12b DAC
12b DAC
+5 V/200 mA
PFI 0
P1.<0..3>
P0.<0..7>
+2.5 V/CAL
AI <0..7>
AO 0
AO 1
Digital I/O Terminal Block
Analog I/O Terminal Block
Figure 3. Device Block Diagram
NI USB-6008/6009 User Guide and Specifications 6 ni.com
Setting Up Hardware
Complete the following steps to set up the hardware:
1. Install combicon screw terminal blocks by inserting them into the
combicon jacks.
2. Figure 4 illustrates the signal labels that ship in the NI USB-6008/6009
kit. You can apply the signal labels to the screw terminal blocks for
easy signal identification.
3
4
1
2
1 Terminal Number Labels (Use Both Together)
2 Digital I/O Label
ANALOG DIGITAL
3. Refer to Table 3 and Figures 4 and 5 for signal label orientation and
affix the provided signal labels to the screw terminal blocks. Until the
signal labels are applied, you can insert the screw terminal blocks into
either of the combicon jacks.
3 Single-Ended Label (Use Either)
4 Differential Label (Use Either)
Figure 4. NI USB-6008/6009 Signal Labels
© National Instruments Corporation 7 NI USB-6008/6009 User Guide and Specifications
4
2
3
1
71
latigiD
9006-BSU IN
23
O
/
I noi
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cnufitluM
2
3
1
golanA
1
6
1 Overlay Label with Pin Orientation Guides
2 Combicon Jack
,tib-41 ,stupnI 8
3 Signal Labels
4 USB Cable
Figure 5. Signal Label Application Diagram
Note
Once you label the screw terminal blocks, you must only insert them into the
matching combicon jack, as indicated by the overlay label on the NI USB-6008/6009
device.
4. Connect the wiring to the appropriate screw terminals.
NI USB-6008/6009 User Guide and Specifications 8 ni.com
I/O Connector
The NI 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 3 lists the analog terminal assignments, and Table 4 lists the digital
terminal assignments.
Table 3. Analog Terminal Assignments
Module Ter mi na l
1 GND GND
2 AI 0 AI 0+
3 AI 4 AI 0–
4 GND GND
12345678910111213141516
5 AI 1 AI 1+
6 AI 5 AI 1–
7 GND GND
8 AI 2 AI 2+
9 AI 6 AI 2–
10 GND GND
11 AI 3 AI 3+
12 AI 7 AI 3–
Signal,
Single-Ended Mode
Signal,
Differential Mode
13 GND GND
14 AO 0 AO 0
15 AO 1 AO 1
16 GND GND
© National Instruments Corporation 9 NI USB-6008/6009 User Guide and Specifications
Table 4. Digital Terminal Assignments
Module Terminal Signal
17 P0.0
18 P0.1
19 P0.2
20 P0.3
21 P0.4
22 P0.5
23 P0 6
24 P0.7
25 P1.0
26 P1.1
27 P1.2
28 P1.3
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
29 PFI 0
30 +2.5 V
31 +5 V
32 GND
NI USB-6008/6009 User Guide and Specifications 10 ni.com
Signal Descriptions
Table 5 describes the signals available on the I/O connectors.
Table 5. Signal Descriptions
Signal Name Reference Direction Description
GND — — Ground—The reference point for the
single-ended AI measurements, bias
current return point for differential mode
measurements, AO voltages, digital
signals at the I/O connector, +5 VDC
supply, and the +2.5 VDC reference.
AI <0..7> Va r ie s Input Analog Input Channels 0 to 7—For
single-ended measurements, each signal is
an analog input voltage channel. For
differential measurements, AI 0 and AI 4
are the positive and negative inputs of
differential analog input channel 0.
The following signal pairs also form
differential input channels:
<AI 1, AI 5>, <AI 2, AI 6>, and
<AI3,AI7>.
AO 0 GND Output Analog Channel 0 Output—Supplies the
voltage output of AO channel 0.
AO 1 GND Output Analog Channel 1 Output—Supplies the
voltage output of AO channel 1.
P1.<0..3>
P0.<0..7>
+2.5 V GND Output +2.5 V External Reference—Provides a
+5 V GND Output +5 V Power Source—Provides +5V
PFI 0 GND Input PFI 0—This pin is configurable as either a
© National Instruments Corporation 11 NI USB-6008/6009 User Guide and Specifications
GND Input or
Output
Digital I/O Signals—You can
individually configure each signal as an
input or output.
reference for wrap-back testing.
power up to 200 mA.
digital trigger or an event counter input.
LED
The NI USB-6008/6009 device has a green LED next to the USB
connector. 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.
If the LED is not blinking, it may mean that the device is not initialized or
the computer is in standby mode. In order for the device to be recognized,
the device must be connected to a computer that has NI-DAQmx installed
on it. If your device is not blinking, make sure your computer has the latest
version of NI-DAQmx installed on it, and the computer is not in standby
mode.
Analog Input
You can connect analog input signals to the NI USB-6008/6009 through
the I/O connector. Refer to Table 5 for more information about connecting
analog input signals.
Analog Input Circuitry
Figure 6 illustrates the analog input circuitry of the NI USB-6008/6009.
+2.5 V
REF
30.9 kΩ
127 kΩ
AI
39.2 kΩ
MUX
PGA
Input Range
Selection
Figure 6. Analog Input Circuitry
ADC
AI FIFO
MUX
The NI USB 6008/6009 has one analog-to-digital converter (ADC). The
multiplexer (MUX) routes one AI channel at a time to the PGA.
NI USB-6008/6009 User Guide and Specifications 12 ni.com
Analog Input Modes
PGA
The progammable-gain amplifier provides input gains of 1, 2, 4, 5, 8,
10, 16, or 20 when configured for differential measurements and gain
of 1 when configured for single-ended measurements. The PGA gain is
automatically calculated based on the voltage range selected in the
measurement application.
A/D Converter
The analog-to-digital converter (ADC) digitizes the AI signal by
converting the analog voltage into a digital code.
AI FIFO
The NI USB-6008/6009 can perform both single and multiple A/D
conversions of a fixed or infinite number of samples. A first-in-first-out
(FIFO) buffer holds data during AI acquisitions to ensure that no data
is lost.
You can configure the AI channels on the NI USB-6008/6009 to take
single-ended or differential measurements. Refer to Table 5 for more
information about I/O connections for single-ended or differential
measurements.
Connecting Differential Voltage Signals
For differential signals, connect the positive lead of the signal to the AI+
terminal, and the negative lead to the AI– terminal.
AI+
Voltage
Source
Figure 7. Connecting a Differential Voltage Signal
© National Instruments Corporation 13 NI USB-6008/6009 User Guide and Specifications
NI USB-6008/6009
AI–
The differential input mode can measure ±20 V signals in the ±20 V range.
However, the maximum voltage on any one pin is ±10 V with respect to
GND. For example, if AI 1 is +10 V and AI 5 is –10 V, then the
measurement returned from the device is +20 V.
20
15
10
5
0
–5
Amplitude (V)
–10
–15
–20
AI 1
AI 5
Result
Figure 8. Example of a Differential 20 V Measurement
Connecting a signal greater than ±10 V on either pin results in a clipped
output.
20
15
10
5
0
–5
Amplitude (V)
–10
–15
–20
AI 1
AI 5
Result
Figure 9. Exceeding ±10 V on AI Returns Clipped Output
NI USB-6008/6009 User Guide and Specifications 14 ni.com
Connecting Reference Single-Ended Voltage Signals
To connect reference single-ended voltage signals (RSE) to the
NI USB-6008/6009, connect the positive voltage signal to the desired
AI terminal, and the ground signal to a GND terminal.
When no signals are connected to the analog input terminal, the internal
resistor divider may cause the terminal to float to approximately 1.4 V
when the analog input terminal is configured as RSE. This behavior is
normal and does not affect the measurement when a signal is connected.
AI
Digital Trigger
Voltage
Source
Figure 10. Connecting a Reference Single-Ended Voltage Signal
NI USB-6008/6009
GND
When an AI task is defined, you can configure PFI 0 as a digital trigger
input. When the digital trigger is enabled, the AI task waits for a rising or
falling edge on PFI 0 before starting the acquisition. To use ai/Start Trigger
with a digital source, specify PFI 0 as the source and select rising or falling
edge.
© National Instruments Corporation 15 NI USB-6008/6009 User Guide and Specifications
Analog Output
The NI 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 11 illustrates the analog output circuitry for the NI USB-6008/6009.
+5 V
REF(+) REF(–)
12-Bit
DAC
GND
DACs
Digital-to-analog converts (DACs) convert digital codes to analog
voltages.
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.
Output
Buffer
Figure 11. Analog Output Circuitry
AI
Voltage
Source
NI USB-6008/6009
50 Ω
AO
GND
Figure 12. Connecting a Load
NI USB-6008/6009 User Guide and Specifications 16 ni.com
Minimizing Glitches on the Output Signal
When you use a DAC to generate a waveform, you may observe glitches in
the output signal. These glitches are normal; when a DAQ switches from
one voltage to another, it produces glitches due to released charges. The
largest glitches occur when the most significant bit of the DAC code
changes. You can build a lowpass deglitching filter to remove some of
these glitches, depending on the frequency and nature of the output signal.
Refer to
ni.com/support for more information about minimizing
glitches.
Digital I/O
The NI USB-6008/6009 has 12 digital lines, P0.<0..7> and P1.<0..3>,
which comprise the DIO port. GND is the ground-reference signal for the
DIO port. You can individually program all lines as inputs or outputs.
Digital I/O Circuitry
Figure 13 shows P0.<0..7> connected to example signals configured as
digital inputs and digital outputs. You can configure P1.<0..3> similarly.
+5 V
1
LED
LED
2
3
4
1 P0.0 configured as an open collector digital output driving a LED
2 P0.2 configured as a active drive digital output driving a LED
3 P0.4 configured as a digital input receiving a TTL signal from a gated invertor
4 P0.7 configured as a digital input receiving a 0 V or 5 V signal from a switch
© National Instruments Corporation 17 NI USB-6008/6009 User Guide and Specifications
+5 V
Switch
Figure 13. Example of Connecting a Load
TTL Signal
GND
I/O Connector
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
Caution Exceeding the maximum input voltage ratings or maximum output ratings, which
are listed in the Specifications section, can damage the DAQ device and the computer.
National Instruments is not liable for any damage resulting from such signal connections.
Source/Sink Information
The default configuration of the NI USB-6008/6009 DIO ports is open
collector, 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 14.
The NI USB-6009 ports can also be configured as active drive using the
DAQmx API, allowing 3.3 V operation with a source/sink current limit of
±8.5 mA. Refer to the NI-DAQmx Help for more information about how to
set the DIO configuration.
Re
External
Pull-up
Resistor
Load
+5 V
+5 V
P0.0
Rl
A
GND
Figure 14. Example of Connecting External User-Provided Resistor
NI USB-6008/6009
Rp
4.7 KΩ Onboard Resistor
Por t Pad
Complete the following steps to determine the value of the user-provided
pull-up resistor:
1. Place an ammeter in series with the load.
2. Place a variable resistor between the digital output line and the +5 V.
3. Adjust the variable resistor until the ammeter current reads as the
intended current. The intended current must be less than 8.5 mA.
4. Remove the ammeter and variable resistor from your circuit.
5. Measure the resistance of the variable resistor. The measured
resistance is the ideal value of the pull-up resistor.
NI USB-6008/6009 User Guide and Specifications 18 ni.com
I/O Protection
6. Select a static resistor value for your pull-up resistor that is greater than
or equal to the ideal resistance.
7. Re-connect the load circuit and the pull-up resistor.
To protect the NI 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:
• If you configure a DIO line as an output, do not connect it to any
external signal source, ground signal, or power supply.
• If you configure a DIO line as an output, understand the current
requirements of the load connected to these signals. Do not exceed
the specified current output limits of the DAQ device.
National Instruments has several signal conditioning solutions for
digital applications requiring high current drive.
• If you configure a DIO line as an input, do not drive the line with
voltages outside of its normal operating range. The DIO lines have
a smaller operating range than the AI signals.
• Treat the DAQ device as you would treat any static sensitive device.
Always properly ground yourself and the equipment when handling
the DAQ device or connecting to it.
Power-On States
At system startup and reset, the hardware sets all DIO lines to
high-impedance inputs. The DAQ device does not drive the signal
high or low. Each line has a weak pull-up resistor connected to it.
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.
Event Counter
You can configure PFI 0 as a source for a gated invertor counter input edge
count task. In this mode, falling-edge events are counted using a 32-bit
counter. For more information about event timing requirements, refer to the
Specifications section.
© National Instruments Corporation 19 NI USB-6008/6009 User Guide and Specifications
Reference and Power Sources
The NI USB-6008/6009 creates an external reference and supplies a power
source. All voltages are relative to COM unless otherwise noted.
+2.5 External References
The NI USB-6008/6009 creates a high-purity reference voltage supply for
the ADC using a multi-state regulator, amplifier, and filter circuit. The
resulting +2.5 V reference voltage can be used as a signal for self test.
+5 V Power Source
The NI USB-6008/6009 supplies a 5 V, 200 mA output. This source can be
used to power external components.
Note While the device is in USB suspend, the output is disabled.
Specifications
The following specifications are typical at 25 °C, unless otherwise noted.
Analog Input
Converter type ........................................Successive approximation
Analog inputs..........................................8 single-ended, 4 differential,
software selectable
Input resolution
NI USB-6008...................................12 bits differential,
11 bits single-ended
NI USB-6009...................................14 bits differential,
13 bits single-ended
Max sampling rate
NI USB-6008...................................10 kS/s
NI USB-6009...................................48 kS/s
AI FIFO ..................................................512 bytes
Timing resolution ...................................41.67 ns (24 MHz timebase)
1
System dependent.
NI USB-6008/6009 User Guide and Specifications 20 ni.com
1
Timing accuracy..................................... 100 ppm of actual sample rate
Input range
Single-ended ................................... ±10 V
1
Differential...................................... ±20 V
, ±10 V, ±5 V, ±4 V,
±2.5 V, ±2 V, ±1.25 V, ±1 V
Working voltage..................................... ±10 V
Input impedance..................................... 144 kΩ
Overvoltage protection........................... ±35
Trigger source ........................................ Software or external digital
trigger
System noise
2
Single-ended
±10 V range ............................. 5 mVrms
Differential
±20 V range ............................. 5 mVrms
±1 V range ............................... 0.5 mVrms
Absolute accuracy at full scale, single ended
Range
Typical at 25 °C
(mV)
Maximum over Temperature
±10 14.7 138
3
Maximum over Temperature
Range
Absolute accuracy at full scale, differential
Typical at 25 °C
(mV)
±20 14.7 138
±10 7.73 84.8
±5 4.28 58.4
±4 3.59 53.1
(mV)
(mV)
±2.5 2.56 45.1
1
±20 V means that |AI+ – (AI–)| <= 20V. However, AI+ and AI– must both be within ±10V of GND. Refer to the Connecting
Differential Voltage Signals for more information.
2
System noise measured at maximum sample rate.
3
Input voltages may not exceed the working voltage range.
© National Instruments Corporation 21 NI USB-6008/6009 User Guide and Specifications
Range
±2 2.21 42.5
±1.25 1.70 38.9
±1 1.53 37.5
Analog Output
Typical at 25 °C
(mV)
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
Slew rate .................................................1 V/μs
Maximum over Temperature
(mV)
Short circuit current ................................50 mA
Absolute accuracy (no load) ...................7 mV typical, 36.4 mV maximum
at full scale
Digital I/O
Digital I/O
P0.<0..7> .........................................8 lines
P1.<0..3> .........................................4 lines
Direction control.....................................Each channel individually
programmable as input or output
Output driver type
NI USB-6008...................................Open collector (open-drain)
NI USB-6009...................................Each channel individually
programmable as active drive
(push-pull) or open collector
(open-drain)
NI USB-6008/6009 User Guide and Specifications 22 ni.com
Compatibility ......................................... TTL, LVTTL, CMOS
Absolute maximum voltage range ......... – 0.5 to 5.8 V with respect to GND
Pull-up resistor ....................................... 4.7 kΩ to 5 V
Power-on state........................................ Input
Digital logic levels
Level Min Max Units
Input low voltage
Input high voltage
Input leakage current
Output low voltage (I = 8.5 mA)
Output high voltage
Active drive (push-pull), I = –8.5 mA
Open collector (open-drain), I = –0.6 mA, nominal
Open collector (open-drain), I = –8.5 mA, 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
+2.5 V accuracy ..................................... 0.25% max
Reference temperature drift ................... 50 ppm/°C max
Counter
Number of counters................................ 1
Resolution .............................................. 32 bits
–0.3
2.0
—
—
2.0
2.0
2.0
0.8
5.8
50
0.8
3.5
5.0
—
V
V
μA
V
V
V
V
Counter measurements ........................... Edge counting (falling-edge)
Counter direction.................................... Count up
Pull-up resistor ....................................... 4.7 kΩ to 5 V
Maximum input frequency..................... 5 MHz
Minimum high pulse width .................... 100 ns
Minimum low pulse width ..................... 100 ns
© National Instruments Corporation 23 NI USB-6008/6009 User Guide and Specifications
Input high voltage...................................2.0 V
Input low voltage ....................................0.8 V
Bus Interface
USB specification ...................................USB 2.0 full-speed
USB bus speed........................................12 Mb/s
Power Requirements
USB
4.10 to 5.25 VDC.............................80 mA typical, 500 mA max
USB suspend ...................................300 μA typical, 500 μAmax
Physical Characteristics
If you need to clean the module, wipe it with a dry towel.
Dimensions
Without connectors..........................6.35 cm × 8.51 cm × 2.31 cm
With connectors...............................8.18 cm × 8.51 cm × 2.31 cm
(2.50 in. × 3.35 in. × 0.91 in.)
(3.22 in. × 3.35 in. × 0.91 in.)
I/O connectors.........................................USB series B receptacle,
(2) 16 position terminal block
plug headers
Weight
With connectors...............................84 g (3 oz)
Without connectors..........................54 g (1.9 oz)
Screw-terminal wiring ............................16 to 28 AWG
Torque for screw terminals.....................0.22– 0.25 N · m
(2.0– 2.2 lb · in.)
NI USB-6008/6009 User Guide and Specifications 24 ni.com
Safety
Standards
The NI USB-6008/6009 is designed to meet the requirements of the
following standards of safety for electrical equipment for measurement,
control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note For UL and other safety certifications, refer to the product label, or visit
ni.com/certification, search by model number or product line, and click the
appropriate link in the Certification column.
Voltages
Connect only voltages that are within these limits.
Channel-to-GND .................................... ±30 V max,
Measurement Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution Do not use this module for connection to signals or for measurements within
Measurement Categories II, III, or IV.
Hazardous Locations
The NI USB-6008/6009 are not certified for use in hazardous locations.
Environmental
The NI 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)................................... 5 to 95% RH, noncondensing
Maximum altitude .................................. 2,000 m (at 25 °C ambient
temperature)
© National Instruments Corporation 25 NI USB-6008/6009 User Guide and Specifications
Storage temperature
(IEC 60068-2-1 and IEC 60068-2-2)......– 40 to 85 °C
Storage humidity
(IEC 60068-2-56) ..................................5 to 90% RH, noncondensing
Pollution Degree (IEC 60664) ................2
Electromagnetic Compatibility
This product is designed to meet the requirements of the following
standards of EMC for electrical equipment for measurement, control,
and laboratory use:
• EN 61326 EMC requirements; Minimum Immunity
• EN 55011 Emissions; Group 1, Class A
• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A
Note The NI USB-6008/6009 may experience temporary variations in analog input
readings when exposed to radiated and conducted RF noise. The device returns to normal
operation after RF exposure is removed.
Note For EMC compliance, operate this device according to product documentation.
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
• 73/23/EEC; Low-Voltage Directive (safety)
• 89/336/EEC; Electromagnetic Compatibility Directive (EMC)
Note Refer to the Declaration of Conformity (DoC) for this product for any additional
regulatory compliance information. To obtain the DoC for this product, visit
certification
in the Certification column.
, search by model number or product line, and click the appropriate link
ni.com/
Waste Electrical and Electronic Equipment (WEEE)
EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling
center. For more information about WEEE recycling centers and National Instruments
WEEE initiatives, visit
NI USB-6008/6009 User Guide and Specifications 26 ni.com
ni.com/environment/weee.htm.
Where to Go for Support
The National Instruments Web site is your complete resource for technical
support. At
troubleshooting and application development self-help resources to email
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Council of the European Communities using the manufacturer’s
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for your product by visiting
supports calibration, you can obtain the calibration certificate for your
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371303H-01 Jun07
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