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.
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
Open-drain
NI-DAQmx Terminology
Open collector
Push-pull
Active drive
Table 2. Differences Between the USB-6008 and USB-6009
Feature
AI Resolution
USB-6008
USB-6009
12 bits differential,
11 bits single-ended
14 bits differential,
13 bits single-ended
Maximum AI Sample Rate,
Single Channel*
10 kS/s
48 kS/s
Maximum AI Sample Rate,
Multiple Channels (Aggregate)*
10 kS/s
42 kS/s
DIO Configuration
Open collector
Open collector or active drive
* Might be system dependent.
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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.
Operate the device at or below the Measurement Category I1. Measurement
circuits are subjected to working voltages2 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
as MAINS3 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.
1
Measurement Category as defined in electrical safety standard IEC 61010-1. Measurement Category is also referred to as
Installation Category.
2
3
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.
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•
•
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.
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, 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.
VI Logger
The NI-DAQmx CD includes VI Logger Lite which is an easy-to-use
configuration-based tool specifically designed for data logging
applications. The application is available at Start»All Programs»
National Instruments»VI Logger.
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Hardware
The following block diagram shows key functional components of the
USB-6008/6009.
External
Power
Vbus
+5 V/200 mA
PFI 0
Supply
USB
USB Microcontroller
P1.<0..3>
P0.<0..7>
+2.5 V/CAL
8 Channel
12/14b ADC
AI <0..7>
12b DAC
12b DAC
AO 0
AO 1
Figure 3. Device Block Diagram
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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.
Note The USB-6008/6009 kit ships with signal labels. You can apply the signal labels to
the screw terminal blocks for easy signal identification.
2. Refer to Table 3 and Figure 4 for 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. Refer to Figure 4 for more information about
signal label orientation.
4
3
2
1
7
1
l
a
t
i
g
i
D
9
2
0
3
0
O
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I
6
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o
B
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4
1
,
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p
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1
8
A
n
a
l
o
g
3
1
6
1
2
Overlay Label with Pin Orientation Guides
Combicon Jack
3
4
Signal Labels
USB Cable
Figure 4. 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 USB-6008/6009 device.
3. Connect the wiring to the appropriate screw terminals.
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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 3 lists the analog terminal assignments, and Table 4 lists the digital
terminal assignments.
Table 3. Analog Terminal Assignments
Signal,
Signal,
Module
Terminal
Single-Ended Mode
Differential Mode
1
2
GND
AI 0
AI 4
GND
AI 1
AI 5
GND
AI 2
AI 6
GND
AI 3
AI 7
GND
AO 0
AO 1
GND
GND
AI 0+
AI 0–
GND
AI 1+
AI 1–
GND
AI 2+
AI 2–
GND
AI 3+
AI 3–
GND
AO 0
AO 1
GND
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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Table 4. Digital Terminal Assignments
Module
Terminal
17
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
GND
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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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>
Varies
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
<AI 3, AI 7>.
AO 0
AO 1
GND
GND
GND
Output
Output
Analog Channel 0 Output—Supplies the
voltage output of AO channel 0.
Analog Channel 1 Output—Supplies the
voltage output of AO channel 1.
P1.<0..3>
P0.<0..7>
Input or Output Digital I/O Signals—You can
individually configure each signal as an
input or output.
+2.5 V
+5 V
GND
GND
GND
Output
Output
Input
+2.5 V External Reference—Provides a
reference for wrap-back testing.
+5 V Power Source—Provides +5 V
power up to 200 mA.
PFI 0
PFI 0—This pin is configurable as either a
digital trigger or an event counter input.
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Analog Input
You can connect analog input signals to the USB-6008/6009 through the
I/O connector. Refer to Table 5 for more information about connecting
analog input signals.
Analog Input Circuitry
Figure 5 illustrates the analog input circuitry of the USB-6008/6009.
+2.5 VREF
MUX
PGA
ADC
AI FIFO
30.9 kΩ
127 kΩ
AI
Input Range
Selection
39.2 kΩ
Figure 5. Analog Input Circuitry
MUX
The USB 6008/6009 has one analog-to-digital converter (ADC). The
multiplexer (MUX) routes one AI channel at a time to the PGA.
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.
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AI FIFO
The 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.
Analog Input Modes
You can configure the AI channels on the 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
USB-6008/6009
AI–
Figure 6. Connecting a Differential Voltage Signal
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.
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20
15
10
5
AI 1
0
AI 5
Result
–5
–10
–15
–20
Figure 7. 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
AI 1
0
–5
AI 5
Result
–10
–15
–20
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.
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AI
Voltage
Source
USB-6008/6009
GND
Figure 9. Connecting a Reference Single-Ended Voltage Signal
Digital Trigger
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 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 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.
+5 V
REF(+) REF(–)
12-Bit
50 Ω
Output
Buffer
AO
DAC
GND
Figure 10. Analog Output Circuitry
DACs
Digital-to-analog converts (DACs) convert digital codes to analog
voltages.
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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.
AO
Load
USB-6008/6009
GND
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. 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 low-pass 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 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 12 shows P0.<0..7> connected to example signals configured as
digital inputs and digital outputs. You can configure P1.<0..3> similarly.
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+5 V
1
LED
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
LED
2
3
4
+5 V
TTL Signal
Switch
GND
I/O Connector
1
2
3
4
P0.0 configured as an open collector digital output driving a LED
P0.4 configured as a digital input receiving a TTL signal from a gated invertor
P0.7 configured as a digital input receiving a 0 V or 5 V signal from a switch
Figure 12. Example of Connecting a Load
Caution Exceeding the maximum input voltage ratings or maximum output ratings, which
are listed in the Specifications, 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 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 13.
The 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.
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USB-6008/6009
+5 V
+5 V
P0.0
Re
Rp
4.7 KΩ Onboard Resistor
External
Pull-up
Resistor
Port Pad
Rl
Load
GND
A
Figure 13. Example of Connecting External User-Provided Resistor
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.
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.
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:
•
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.
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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
Static DIO
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.
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.
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.
Reference and Power Sources
The USB-6008/6009 creates an external reference and supplies a power
source.
+2.5 External References
The 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 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.
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Specifications
The following specifications are typical at 25 °C, unless otherwise noted.
Converter type ........................................Successive approximation
Analog Input
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 rate1
Single channel
USB-6008.................................10 kS/s
USB-6009.................................48 kS/s
Multiple channels (aggregate)
USB-6008.................................10 kS/s
USB-6009.................................42 kS/s
AI FIFO ..................................................512 bytes
Timing resolution ...................................41.67 ns (24 MHz timebase)
Timing accuracy .....................................100 ppm of actual sample rate
Input range
Single-ended.................................... 10 V
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
1
Might be system dependent.
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Trigger source ........................................ Software or external digital
trigger
System noise
USB-6008, differential.................... 1.47 mVrms
USB-6009, single-ended................. 2.93 mVrms
USB-6009, differential.................... 0.37 mVrms
USB-6009, single-ended................. 0.73 mVrms
Absolute accuracy at full scale, single ended
Typical at 25 °C
(mV)
Maximum over Temperature
(mV)
Range
+10
14.7
138
Absolute accuracy at full scale, differential1
Typical at 25 °C
(mV)
Maximum over Temperature
Range
+20
+10
+5
(mV)
14.7
7.73
4.28
3.59
2.56
2.21
1.70
1.53
138
84.8
58.4
53.1
45.1
42.5
38.9
37.5
+4
+2.5
+2
+1.25
+1
1 Input voltages may not exceed the working voltage range.
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
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Output current drive................................5 mA
Power-on state ........................................0 V
Slew rate .................................................1 V/µs
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
PI.<0..3>..........................................4 lines
Direction control.....................................Each channel individually
programmable as input or output
Output driver type
USB-6008........................................Open collector (open-drain)
USB-6009........................................Each channel individually
programmable as active drive
(push-pull) or open collector
(open-drain)
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 (high impedance)
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Digital logic levels
Level
Min
Max
Units
Input low voltage
Input high voltage
Input leakage current
–0.3
2.0
—
0.8
5.8
50
V
V
µA
Output low voltage (I = 8.5 mA)
Output high voltage
—
0.8
V
Active drive (push-pull), I = –8.5mA
Open collector (open-drain), I = –0.6mA, nominal
Open collector (open-drain), I = –8.5mA, with external pull-up
resistor
2.0
2.0
2.0
3.5
5.0
—
V
V
V
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
Counter measurements........................... Edge counting (falling-edge)
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
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
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Power Requirements
USB
4.10 to 5.25 VDC.............................80 mA typical, 500 mA max
USB suspend ...................................300 µA typical, 500 µA max
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
(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.)
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 (21 oz)
Screw-terminal wiring ............................16 to 28 AWG
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:
•
•
•
IEC 61010-1, EN 61010-1
UL 61010-1
CAN/CSA-C22.2 No. 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.
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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 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
temperature)
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
© National Instruments Corporation
23
USB-6008/6009 User Guide and Specifications
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Electromagnetic Compatibility
Emissions................................................EN 55011 Class A at 10 m
FCC Part 15A above 1 GHz
Immunity ................................................Industrial levels per
EN 61326:1997 + A2:2001,
Table 1
EMC/EMI ...............................................CE, C-Tick, and FCC Part 15
(Class A) Compliant
Note The 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.
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE marking, as follows:
Low-Voltage Directive (safety)..............73/23/EEC
Electromagnetic Compatibility
Directive (EMC).....................................89/336/EEC
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
ni.com/certification, search by model number or product line, and click the
appropriate link in the Certification column.
Where to Go for Support
The National Instruments Web site is your complete resource for technical
support. At ni.com/support you have access to everything from
troubleshooting and application development self-help resources to email
and phone assistance from NI Application Engineers.
A Declaration of Conformity (DoC) is our claim of compliance with the
Council of the European Communities using the manufacturer’s
declaration of conformity. This system affords the user protection for
electronic compatibility (EMC) and product safety. You can obtain the DoC
for your product by visiting ni.com/certification. If your product
supports calibration, you can obtain the calibration certificate for your
product at ni.com/calibration.
USB-6008/6009 User Guide and Specifications
24
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