DaqBook/2000 Series

Ethernet-Based Portable Data Acquisition
Models /2001, /2005, & /2020
FeaturesSee DaqOEM/2000 Series for board-level versions of the DaqBook• Analog input, analog output, ­frequency
input, timer output, and digital I/O; allin one compact and portable e­ nclosure• Built-in Ethernet connection provides
continuous streaming to the PC withno data loss
• 16-bit, 200 kHz A/D converter• Operates from -30 to +70 ˚C• Powerable from 10 to 30 VDC, or withincluded AC adapter• Synchronous analog, digital, and­frequency measurements• Trigger modes include analog, digital,
frequency, and software• Virtually infinite pre-trigger buffer• Four channels of 16-bit, 100 kHz analog output (models /2001 and /2020)• DaqBook/2020 offers convenient front
panel connectors for thermocouple,
voltage and frequency measurements
all in one box• DaqBooks attach to over 40 DBK signal conditioning options providing a
low-cost system, c­ ustomized to yourparticular application

DaqBook/2020

DaqBook/2001

Signal Conditioning Options• Signal conditioning and expansion
options for thermocouples, strain­­gages, accelerometers, isolation, RTDs,
etc. —­ over 40 DBK I/O ­expansion­
options are available

Software• Includes DaqView Out-of-the-Box
software application for effortless data
logging and analysis• Comprehensive drivers for ­DASYLab®,NI LabVIEW®, Visual C++®, Visual C#®,Visual Basic®, and Visual Basic® .NET
• DaqCal software application for easyuser calibration• Supported Operating Systems:
Windows 7/Vista/XP SP2,
32-bit or 64-bit

The DaqBook/2000 Series of portable dataacquisition devices can synchronously measure analog inputs, frequency inputs, anddigital inputs. The 16-bit/200 kHz DaqBooks
come equipped with built-in signal I/O capability, which can be ­further expanded andenhanced with over 40 DBK Series expansion
and signal c­ onditioning options.
The DaqBook/2000 Series includes a builtin 10/100BaseT Ethernet interface capableof transferring acquired data back to the PC
at the full 200 Kreading/s measurement rateof the DaqBook. ­Multiple DaqBooks canbe attached to a single PC via an ­Ethernet

Packaging and Power. The DaqBook ishoused in a rugged metal package, withthe same footprint as most notebook PCs(8.5” x 11”). It can be powered from 10
to 30 VDC, or via the included AC power
adaptor. Compact battery options are alsoavailable for applications where there is noaccess to DC or AC power. These options

DaqBook/2000 Series Selection Chart
FeaturePackage
A/D
PC Connection
Channel/Gain Sequencer
Built-in Voltage Inputs
Built-in Thermocouple Inputs
Analog Signal Connection
Built-in Digital I/O
Maximum Digital I/O
Built-in Frequency Inputs
Built-in Timer Outputs
Analog Outputs
External DAC Pacer Clock Input

Measurement Computing

hub or switch, and are capable of being
synchronized and of transferring data
continuously at full speed into the PC.
Up to 10 DaqBooks can be transferring
200 Kreading/s back to a PC c­ oncurrently,
with no loss in data.

(508) 946-5100

1

DaqBook/2020

DaqBook/2001

DaqBook/2005

2U high, 8.5” x 11”
16 bit, 200 kHz
10/100BaseT Ethernet
16,384 locations
16 DIFF plus 14 SE
14BNC, mini TC
24
256
4, 16 bit, 10 MHz
2, 16 bit, 1 MHz
4, 16 bit, 100 kHz
no

1U high, 8.5” x 11”
16 bit, 200 kHz
10/100BaseT Ethernet
16,384 locations
8 DIFF or 16 SE
0
DB37
40
272
4, 16 bit, 10 MHz
2, 16 bit, 1 MHz
4, 16 bit, 100 kHz
yes

1U high, 8.5” x 11”
16 bit, 200 kHz
10/100BaseT Ethernet
16,384 locations
8 DIFF or 16 SE
0
DB37
40
272
4, 16 bit, 10 MHz
2, 16 bit, 1 MHz—
yes

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DaqBook/2000 Series
General Information

DaqBook/2001 & /2005 Block Diagram
DaqBook/2001 only
SIGNAL
I/O

Internallyinstalled
4-channel,
analog output
card

P1
ANALOG
INPUT

Four 16-bit
digital-to-analog
converter

16
P1

MUX

Four external channel select,
Two external gain select,
One SS&H

2

One TTL trigger input,
One analog input pacer clock

6

Four 16-bit counter inputs,
Two 16-bit timer outputs

24

Three 8-bit digital I/O ports

P1

P3

P2
17
P3

A

Input
protection

7
P1
P2
DIGITAL I/O

256 Ksample
data buffer

External MUX control

16,384-steprandom accesschannel/gain
sequencer

Programmablesequencer
timebase
5 �s to 6 hours

100-kHz
outputclock

P3
PULSE/
FREQUENCY/
DIGITAL I/O
ANALOG OUTPUT

can also function as uninterruptible power
supplies (UPS), to keep the DaqBook operational during intermittent power outages orvoltage drops, such as during automobile
engine cranking. A high-power DC/DC­
converter built into the DaqBook is capableof ­powering a large number of DBK signal­conditioning and ­expansion ­options.
Signal Conditioning and Expansion. The
DaqBook can expand its built-in ­analog anddigital I/O with the DBK family of over 40
signal conditioning and ­expansion options(see chart for channel e­ xpansion capacity).
Every analog, d­ igital, and counter input
channel is measured in 5 µs/channel, regardless of whether it is a built-in channel, oran expansion c­ hannel*. Included DaqView

Gain and
offsetamplifiersoftware automatically converts the sensor
measurements to real-world r­ eadings, suchas temperature, strain, etc.
The on-board 24 digital I/O lines can be
expanded up to 272 I/O channels (256maximum for DaqBook/2020), including TTL level, isolated, and relay ­closure.
Digital inputs, either on the DaqBook, oron expansion options, can be scanned in
8- or 16-bit increments along with analog
inputs, ­providing digital data that is time-­
correlated to acquired analog data (5 µs
per 16 bit input). The 4 ­frequency andpulse-­
counting inputs on the DaqBook
can also be scanned ­synchronously withthe ­analog and digital inputs.

16-bit, 200-kHz
analog-to-digitalconverter

200-kHz
input clock
Analogtrigger

Sequencer resetA
One 16-bit digital I/O port,
One DAC pacer clock

x1, 2, 4, 8
Programmablegain amplifier
x16, 32, 64

Dual 11-bit
trigger
DACs

Systemcontroller

SYNC
circuit

Configurable
PLD

Communications
processor

SYNC

10/100BaseT
Ethernet

Software Support
Software support for the DaqBook/2000
Series includes comprehensive drivers for
DASYLab®, NI LabVIEW®, Visual C++®,Visual C#®, ­Visual ­Basic®, and Visual
Basic® .NET. Also included is DaqView
Out-of-the-Box software for quick and easy
set up and collection of data without
programming, along with DaqCal software application for easy user calibration.
Post-­acquisition ­analysis is achieved via­included PostView.

* Except DBK90 T/C options

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DaqBook/2000 Series
General Information

DaqBook/2020 Block Diagram
SIGNAL
I/O
256 Ksample
data buffer

P1
ANALOG
INPUT

100-kHz
outputclock

Four 16-bit
digital-to-analog
converter

Input
protection

16
P1
7

Four external channel select,
Two external gain select,
One SS&H

2

One TTL trigger input,
One analog input pacer clock

6

Four 16-bit counter inputs,
Two 16-bit timer outputs

P1

P1

24

P2
DIGITAL I/OExternal MUX control

Gain and
offsetamplifier16384-steprandom accesschannel/gain
sequencer

16-bit, 200-kHz
analog-to-digitalconverter

200-kHz
input clock
Analogtrigger

Sequencer reset
Programmablesequencer
timebase
5 �s to 6 hours

Three 8-bit digital I/O ports

P2

x1, 2, 4, 8
Programmablegain amplifier
x16, 32, 64

MUX

6

COUNTER/TRIGGER I/O

2

TRIGGER INPUTS

4

SYNC
circuit

Configurable
PLD

Communications
processor

SYNC

10/100BaseT
Ethernet

DIF VOLTAGE INPUT

14

SEE DETAIL B

Systemcontroller

DIF OUTPUTS16

SEE DETAIL A

Dual 11-bit
trigger
DACs

TC INPUTS

Detail A – Differential Voltage Inputs

Detail B – Thermocouple Inputs
OTC bias

BNC
+

CH 0

R

High

Low

–
Low
+
Inst.
amp.

16 Channels Total

MUX
BNC
CH 15

+

–

High

R

REF

+

–

High

Outputchannel
DEMUX

+
Input
protection

Diff/CM
LPF

Inst.
amplifier16

Buffer

TC 1
thru
TC 7
(7 lines)

OTC bias
Signal processing for channel TC 1*

8 to 1
MUX–

Outputchannel
DEMUX

16

Channel Select Lines

–
Low
CJC 1

R to V
converter

Thermistor

4
+V

4

TC 0 = CJC 1

Channel Select Lines+

OTC bias

–V
–

Low

Offset Adjustment
High

Input
protection

Diff/CM
LPF

Inst.
amplifier

TC 9
thru
TC 15
(7 lines)

OTC bias
Signal processing for channel TC 9** The 14 thermocouple circuitry channels, TC1 through TC7 and TC9 throughTC15, each have their own signal processing block, consisting of input protection, a low-pass filter, and an instrument amplifier. Channels TC0 and TC8
are used for Cold Junction Compensation (CJC).

Measurement Computing(508) 946-5100

Thermistor

R to V
converter

8 to 1MUX

CJC 2

TC 8 = CJC 2

3

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DaqBook/2000 Series
General Information

DaqBook/2001 & /2005

The example systems below illustrate typical systems assembled
using the DaqBook/2020 and DaqBook/2001 A/D mainframes.

DaqBook/2020

DaqBook/2001 (front and back)

DaqBook/2020 (front and back)

DaqBook/2001 plus DBK60 module with three internal signal­conditioning boards

DaqBook/2020 system plus 32 additional channels of analog input(DBK85)

DaqBook/2001 plus 14 channels of thermocouple inputs (DBK84)

DaqBook/2020 system plus112 additional channels of thermocouple
input (DBK90)

DaqBook/2001 plus 112 channels of thermocouple input (DBK90)
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DaqBook/2000 Series
General Information
Analog Input

When used to generate continuous outputs, the D/As can beclocked in several different modes**. Each D/A can be ­separately­selected to be clocked from one of the sources described below.
Analog outputs are available on the /2020 via front-panel BNCs,
and on the /2001 via rear-panel DB37 (P3).

(P1 on /2001 & /2005, front panel BNC & mini TC on /2020)
The DaqBook has a 16-bit, 200 kHz A/D coupled with singleended or differential analog inputs. The DaqBook/2001 and /2005
have 8 differential or 16 single-ended inputs via rear panel DB37,
software programmable* on a per-channel basis.

Asynchronous internal clock. The on-board programmable clock
can generate updates ranging from 1.5 Hz to 100 kHz, independentof any acquisition rate.

The DaqBook/2020 has 16 differential voltage inputs via frontpanel BNCs, plus 14 TC inputs via front-panel mini-TC connectors. The TC inputs can measure any supported TC-type attached
to any channel.

Synchronous internal clock. The rate of analog output update canbe synchronized to the acquisition rate derived from 100 kHz toonce every 5.96 hours.

Thirteen software programmable voltage ranges provide inputs
from ±10V to ±156 mV full scale. Each voltage channel can besoftware-configured for a different range, as well as for unipolaror bipolar input. Beyond the 16 built-in analog inputs, the user
can expand the DaqBook using external DBK signal conditioning and expansion options. As with the on-board channels,
expansion channels are scanned at the same 5 µs/channel rate
(200 kHz), and most are software-programmable for range. Thereis no speed penalty for scanning expansion channels versus builtin channels, with the exception of the DBK90 option, which arescanned at 1 msec per channel. DBK expansion options offer awide variety of signal measurements, including thermocouples,
RTDs, strain gages, accelerometers, high voltage, isolation, ­current,
and much more.

Asynchronous external clock. A user-­supplied external input clock
can be used to pace the D/A, entirely independent of analog inputs.
Synchronous external clock. A user-­supplied external input clock
can pace both the D/A and the analog input.

Digital Inputs & Outputs (P2, P3)
The DaqBook’s P2 connector provides 24 TTL-level digital I/O lines,
divided into three 8-bit ports. The P2 ports can be programmed
in 8-bit groups as either input or output.
In addition, the P2 ports can be expanded up to 256 digital I/O
lines using external DBK digital options. These options are available as TTL-level I/O, relay output, or optically isolated input andoutput. Whenever expansion digital I/O is attached to the DaqBook, the P2 I/O lines are no longer user-programmable, and are­instead used to communicate with the digital expansion options.

Calibration
Every range on the DaqBook is calibrated from the factory using a digital calibration method. This method works by storinga correction factor for each range on the DaqBook at the timeof calibration. Whenever a particular range is selected by thesequence, the appropriate calibration constant is automaticallyapplied to a compensating DAC, thereby calibrating the specificrange. The resultant readings ­generated by the A/D are already­calibrated, and do not require additional processing.

In addition, the DaqBook/2001 and /2005 provide 16 bits ofdigital I/O on their P3 port, which can be programmed as all
inputs or all outputs. Ports programmed as inputs can be partof the scan group and read synchronous with other analog anddigital input channels, or can be read asynchronously via the PC
at any time, including when a scanned acquisition is occurring.

Counter Inputs

The DaqBook also has a user-cal mode, whereby the user canadjust the calibration of the DaqBook, without destroying thefactory calibration supplied. This is accomplished by having two
distinct calibration tables in the DaqBook’s on-board EPROM, one
which contains the factory cal, and the other which is available
for user calibration.

(P3 on /2001 & /2005, front-panel BNC on /2020)
Four 16-bit counters are built into the DaqBook, each capableof counting up to 65,536 TTL-level transitions. Each of thefour counters will accept frequency inputs up to 10 MHz†. The
counters can also be cascaded, allowing over four billion counts
to be accumulated. As with all other inputs to the DaqBook,
the counter inputs can be read asynchronously under program
control, or synchronously as part of an analog and digital scangroup. Counters can be programmed to totalize or clear-on-read.

Analog Output(P3 on /2001, front-panel BNC on /2020)
Four channels of 16-bit/100 kHz analog output are built into the
DaqBook/2020 and /2001. 256 Ksamples of memory are i­ ncluded,
which can store waveforms loaded from the PC.

Timer Outputs(P3 on /2001 & /2005, front-panel BNC on /2020)
Two 16-bit timer outputs are built into the DaqBook, each capable ofgenerating different square waves with a programmable f­ requency
range from 16 Hz to 1 MHz.

* Requires programming language** Not recommended for closed loop control greater than 1 Hz
† For mixed signal applications requiring frequency measurement along withhigh-speed analog inputs, see DBK7

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DaqBook/2000 Series
General Information
Scanning
The DaqBook has an on-board scan­sequencer that permits the user to selectany combination of up to 16,384 channel/
range combinations. The sequencer scans
all channels contained in the sequence at
the fastest rate of 5 µs/­channel, thereby
minimizing the time-skew from channel-tochannel (when DBK90 o­ ption channels arescanned, their scan time is 1 msec/­channel).
The user can also set the time between scangroups, from 0 to 6 hours. In addition toscanning analog inputs, the sequencer canscan digital inputs and counter ­inputs.

Channel-Scanning Flexibility
The DaqBook offers a 16,384 location scan sequencer that allows you to select eachchannel and associated input amplifier gain at random. The sequencer circuitry circumvents a major limitation encountered with many data acquisition devices — adrastic reduction in the scan rate for external expansion channels. All built-in andexpansion channels, are scanned at 100 kHz or 200 kHz (5 or 10 µs/channel). In addition, the digital and frequency inputs can be scanned using the same scan sequencer
employed for analog inputs, enabling the time correlation of acquired digital datato acquired analog data. The DaqBook permits each scan group, which can containup to 16,384 channel/gain combinations, to be repeated immediately or at programmable intervals of up to 6 hours. Within each scan group, consecutive channels aremeasured at a fixed 5 or 10 µs/channel rate.

DaqBook Scanning Example

Triggering
Triggering can be the most critical aspectof a data acquisition application. The
DaqBook supports a full complementof trigger modes to accommodate any­measurement situation.
Hardware Analog Triggering. Many dataacquisition products claim analog triggering, but rely on the PC to take ­readings
and make a decision, which leads touncertain and potentially long latencies.
The DaqBook uses true analog triggering,whereby the trigger level programmed by
the user sets an analog DAC, which is thencompared in hardware to the analog input
level on the selected channel. The result isanalog trigger latency which is guaranteed
to be less than 5 µs, significantly shorter
than most data acquisition devices. Any
analog channel can be selected as thetrigger channel, including built-in or­expansion channels. The user can program
both the trigger level, as well as the edge
(rising or falling).
Digital Triggering. A separate digital trigger
input line is provided, allowing TTL-level
triggering, again with latencies guaranteed
to be less than 5 µs. Both the logic levels(1 or 0), as well as the edge (rising or ­falling),
can be programmed for the discrete digitaltrigger input.
Digital Pattern Triggering. The DaqBook
also supports digital pattern triggering,whereby the user can designate any ofthe digital input ports as the trigger port.
The programmed digital pattern, including the ability to mask or ignore specificbits, is then compared to the actual input

Measurement Computing

All channels within a scan group aremeasured at a fixed 5 �s/channel

Scan groupt
Programmable,from 5 �s up to
6 hours

5 �st
ChannelGain
Unipolaror bipolar

#2
x1
Uni
SE

#4
x8
Uni
DE

C1

Unipolar or bipolar operation
can be programmed for eachchannel dynamically by thesequencer
Gain can be programmed foreach channel dynamically by
the sequencer
Channels are sampled
by the sequencer

#2
x2
Uni
SE

#164
x10
Bi
DE

#26
x1000
Uni
SE or DEAny of the digital input ports
can also be sampled alongwith the analog inputs
Any of the four counter inputs
can be scanned along withanalog and digital inputs

Counter Triggering. Triggering can also
be programmed to occur when oneof the counters reaches, exceeds, or iswithin a programmed level. Any of thebuilt-in counter/totalizer channels can be­programmed as a trigger source.
Software-Based Triggering. Softwarebased triggering differs from the modes
described above because the readings,
analog, digital, or counter, are interrogatedby the PC to detect the trigger event,­ escribed above.
not in the hardware as d
The advantage of this mode is to permit

6

#18
x100
Bi
DE

Analog expansion channels(up to 256) are sampled at thesame rate as on-board channels

until a match is detected, after which thesequencer begins the scan sequence.

(508) 946-5100

D2t­ riggering based on more complex situations, such as on a specific t­ emperature,
which was derived from the acquisition ofat least two analog m­ easurements, plus thecalculation of the measured ­temperature­using linearization ­algorithms.
Normally software-based triggering r­ esultsin long latencies from the time that a trigger condition is detected, until the actual­capturing of data c­ommences. H­ owever,the DaqBook circumvents this undesirable­phenomenon by use of pre-­­­ trigger data.
­Specifically, when software-based ­triggering
is employed, and the PC detects that a trigger
condition has been met, the DaqBook driver

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DaqBook/2000 Series
General Information

Ethernet Connection

automatically looks back to the location in memory where theactual trigger-causing measurement occurred. The acquired datathat is presented to the user actually begins at the point where the­trigger-causing ­measurement occurs. The latency in this mode isequal to one scan cycle.

The most common configuration for a DaqBook is when directly
attached to a PC via a point-to-point Ethernet link. In this mode,
data transfers will occur at the full 200 Kreadings per second rateof the DaqBook, insuring that no data is lost during transfer.

Pre- and Post-Triggering Modes. Six modes of pre- and posttriggering are supported, providing a wide variety of options
to accommodate any measurement requirement. When using
pre-trigger, the user must use software-based triggering to ­initiate
an acquisition.
Notebook PC

Point-to-point Ethernet connection

Fixed pre-trigger with post-trigger stop event. In this mode, theuser specifies the number of pre-trigger readings to be acquired,after which, acquisition ­continues until a stop-trigger event occurs.

The DaqBook can also be attached to an enterprise-wide network,where it is one of many devices on the network. In this application, the data transfer rate is highly dependent on other data
traffic on the network.

No pre-trigger, infinite post-trigger. No pre-trigger data is acquiredin this mode. Instead, data is acquired beginning with the trigger
event, and is terminated when the operator issues a command
to halt the acquisition.
Fixed pre-trigger with infinite post-trigger. The user specifies theamount of pre-trigger data to acquire, after which the system
continues to acquire data until the program issues a command
to halt ­acquisition.

DaqBook/2001

Enterprise Ethernet Network

Variable pre-trigger with post-trigger stop event*. Unlike the previous
pre-trigger modes, this mode does not have to satisfy the pre-trigger
number of readings before recognizing the trigger event. Thus thenumber of pre-trigger readings acquired is variable and dependent
on the time of the trigger event relative to the start. In this mode,
data continues to be acquired until the stop trigger event is detected.

Notebook PC

Variable pre-trigger with infinite post trigger*. This is similar
to the mode described above, except that the acquisition is terminated upon receipt of a command from the program to halt
the acquisition.

DaqBook/2020

A virtually unlimited number of DaqBooks can be attached to a
PC when an Ethernet switch is employed. As in the case above,
the DaqBooks can be operated as one synchronous system, or
can be operated as entirely independent systems, each with theirown independent triggering and s­ ampling rates.

Multi-Unit Synchronization
Multiple DaqBooks can be synchronized via the rear panel SYNC
ports. By connecting cable CA-74-1, up to 4 DaqBooks can besynchronized so that all acquired data is time correlated. DaqBook
software will establish one unit as a ”­ master” and the others as“slaves”**. ­Master DaqBooks can run at the full 200 kHz aggregate
sampling rate, slaves must have 1 µs of unassigned s­amplingtime in their scan group. Not all trigger modes are supported in
multi-DaqBook ­configurations.

Ethernet

DaqBook/2001
SYNC (optional)

Desktop PC
with multiple Ethernet ports

Multiple DaqBook
systems attached via
multiple Ethernet ports
to a single PC* When digital pattern generation is used, one of the analog output channels is
limited to ­asynchronous output mode** Multi-unit synchronization is included with all software support except DaqView(508) 946-5100

Desktop PC

Enterprise-wide Ethernet connection

Stop Trigger. Any of the software trigger modes described above
can also be used to stop an acquisition. Thus an acquisition can be
programmed to begin on one event, such as a temperature level,
and then can stop on another event, such as a digital pattern.

Measurement Computing

DaqBook/2020

Ethernet

No pre-trigger, post-trigger stop event. This, the simplest of modes,
acquires data upon receipt of the trigger, and stops acquiring
upon receipt of the stop-trigger event.

7

Ethernet

DaqBook/2020
SYNC (optional)

Ethernet

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Module-to-Module Connection
for DaqBook Systems

Assembling a DaqBook system is easy
with our packaging and module-tomodule connection system. Every
DaqBook and DBK option is housed in
an all-metal enclosure, and is encasedwith rugged molded bumpers on all
corners. The bumpers serve to protect theconnectors as well as to attach multiple
modules together. Within each bumper
is a tab which can be rotated 90˚ to lockwith other modules attached to either
the top or bottom of each module.
One handle is included with each
DaqBook, and additional handles can­be purchased for in-vehicle applications
where a handle on both sides of the system
is desirable for securing the system tothe vehicle. When multiple modules areattached in a system, the handle can beeasily moved from the DaqBook to any
other module in the system.
For owners of existing DaqBook and/or
DBK systems, the new bumpers can beeasily added to your existing hardware.
Built-in connection tabs in every expansion
module make assembling a system easy –above illustrates how a DBK84 would attach
to a DaqBook/2020

An assembled system consisting ofa DaqBook/2020 plus one DBK84 thermocouple
option plus one DBK85 voltage input option

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DaqBook/2000 SeriesSpecifications
Specifications
GeneralSupply Voltage Range: 10 to 30 VDCPower Required: 15W (assuming no DBK options)Power Available for External Signal Conditioning
and Expansion Options: 5V at 1A; ±15V at 500
mA each, not to exceed 7W on /2020, and not toexceed 10W on /2001 and /2005
Operating Temperature: -30 to +70 ˚C
Storage Temperature: -40 to +80 ˚C
Relative Humidity: 0 to 95%, non-condensing
Vibration: MIL STD 810E, category 1 and 10
Signal I/O Connector/2001 & /2005: DB37 male for P1, P2, P3/2020: BNC and mini-TC DB37 male for P1, P2
Dimensions/2001 & /2005: 285 mm W x 220 mm D x 45 mm H
(11” x 8.5” x 1.75”)/2020: 285 mm W x 220 mm D x 90 mm H
(11” x 8.5” x 3.5”)
Weight/2001 & /2005: 1.36 kg (3 lbs)
/2020: 2.5 kg (5.5 lbs)
Maximum Ethernet Cable Length: 100 meters (canbe increased with standard Ethernet switch device)

A/D Specifications
Type: Successive approximation
Resolution: 16 bit
Conversion Time: 5 µs
Maximum Sample Rate: 200 kHz
Nonlinearity (Integral): ±1 LSB
Nonlinearity (Differential): No missing codes

Analog Inputs (P1)
Channels/2001 & /2005: 16 single-ended or 8 differential,
programmable on a per-channel basis as singleended or differential and unipolar or bipolar/2020: 16 differential inputs via front panel BNC,
and 14 single-ended via rear panel DB37 (P1)
Expansion: Up to 256 channels, without degradation in max channel-to-channel scan rate
(5 or 10 µs/channel)
Total Harmonic Distortion: -84 dB typ
Signal to Noise and Distortion: 80 dB typ
Noise: 2 LSBRMS typ
Bandwidth: 500 kHz
Settling Time: 5 µsec to 1 LSB for full-scale step
Temperature Coefficient: ±(0.002% reading + 0.03 mV)
or ±(0.002% reading + 0.6 LSB), whichever is larger,per ˚C outside of temperature range of 18 to 28 ˚CInput Impedance: 10M Ohm (single-ended),
20M Ohm (differential)†
Bias Current: <1 nA (0 to 35 ˚C)Common Mode Rejection: 86 dB, DC to 60 Hz forgains < =8; >100 dB for gains > =16
Maximum Input Voltage (without damage): ±11V
relative to analog common
Over-Voltage Protection: ±35V
Ranges: Software or sequencer selectable on a perchannel basis
Crosstalk: -100 dB DC to 60 Hz; 86 dB @ 10 kHz

Accuracy**
One Year,
23° ±5°C% reading + millivolts

Voltage Range*
0 to 100 to 50 to 2.5
0 to 1.25
0 to 0.625
0 to 0.3125-10 to 10-5 to 5
-2.5 to 2.5-1.25 to 1.25
-0.625 to 0.625-0.3125 to 0.3125-0.156 to 0.156

0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015

0.80
0.40
0.20
0.12
0.10
0.08
1.50
0.80
0.40
0.20
0.12
0.10
0.08

* Specifications assume differential input single channel scan, 200-kHz
scan rate, unfiltered** Accuracy specification is exclusive of noise

Analog Inputs(Front panel BNCs, /2020 only)
Inputs: 5 µs max to 1 LSB for full-scale step
Maximum Voltage Range: ±10V
Input Impedance: 20M Ohm
Accuracy
For Gains 1, 2:±[0.1% of reading + 0.005% of range]
For Gains 4, 8, 16, 32, 64:±[0.1% of reading + 250 µV]
Total Harmonic Distortion: -84 dB typ
Signal to Noise and Distortion: 80 dB typ
Noise: 2 LSBRMS typ
Maximum Input Voltage (without damage): ±35V
3 dB Bandwidth: 2.6 MHz
Temperature Coefficient: 10 ppm for every degree
outside the range of 0 to 50 ˚CType Min
J
-200
K
-200
T
-200
E
-270
S
-50
R
-50
B
50
N28 -270
N14
0

Thermocouple Inputs(Model /2020 only)
TC/mV Connector: Mini-TC connectors
Functions: TC types J, K, S, T, E, B, R, N; x100 (voltage)
Inputs: 14 differential TC/mV inputs
Input Voltage Range: ±100 mV
Input Impedance: 40M Ohm (differential); 20M Ohm(single-ended)
Input Bandwidth: 4 Hz
Input Bias Current: 10 nA typ
CMRR: 100 dB typ
Maximum Working Voltage (signal + commonmode): ±10V
Over-Voltage Protection: ±40V
Voltage Accuracy: ±(0.2% of rdg +50 µV)
Temperature Coefficient: 10 ppm for every degree
outside the range of 0 to 50 ˚C
TC Accuracy††: Valid for one year, 18 to 28 ˚C; seetable below
Temperature Coefficient for Type T TC: ±0.03 ˚C
per ˚C ambient outside the range of 18 to 28 ˚C
Minimum Resolution: 0.1 ˚C for all TC types

Input Sequencer
Analog, digital and frequency inputs can be scanned
synchronously, based on either an internal­programmable timer, or an external clock source.
Scan Clock Sources: 2
1. Internal, programmable from 5 µs to 5.96 hours
in 1 µs steps
2. External, TTL level input up to 200 kHz max
Programmable Parameters per Scan: Channel(random order), gain, unipolar/bipolar
Depth: 16,384 locations
On-Board Channel-to-Channel Scan Rate: 5 or 10 µs
per channel, programmable
Expansion Channel Scan Rate: 5 or 10 µs per channel, programmable (1 msec with DBK90)

TC Accuracy at Measurement Temperature in ˚C (±˚C)
Max -1000
100 300 500 700 900 1100 1400
760 0.8
0.7
0.7
0.8
0.9
0.9
—
—
—
1200 0.9
0.8
0.8
0.9
1.1
1.1
1.2
1.3
—
400 0.9
0.8
0.8
0.8
—
—
—
—
—
650 0.8
0.7
0.7
0.7
0.8
—
—
—
—
1768
—
3.1
2.4
2.0
2.0
1.9
2.0
2.1
2.1
1768
—
3.1
2.1
2.0
1.9
1.9
1.7
1.9
2.0
1780
—
—
—
4.9
3.2
2.8
2.4
2.3
2.0
400 1.2
0.9
0.9
0.9
—
—
—
—
—
1300
—
0.9
0.9
0.9
1.1
1.1
1.2
1.3
—

† For high impedance transducer connection, see
DBK8†† Accuracy conditions:- Exclusive of thermocouple errors- Exclusive of noise- VCM=0- 25 ˚C ambient temperature, stabilized for 1 hour

Measurement Computing(508) 946-5100

9

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DaqBook/2000 SeriesSpecifications

External Acquisition Scan Clock
Input

4. Digital Pattern Triggering

Maximum Rate: 200 kHz
Clock Signal Range: 0V to +5V
Minimum Pulse Width: 50 ns high, 50 ns low
External SYNC Port: Available on rear panel, allows
multiple DaqBook units to be scan-synchronous(post trigger)

Triggering
Trigger Sources: 6, individually selectable for startingand stopping an acquisition. Stop acquisition canoccur on a different channel than start acquisition;
stop acquisition can be triggered via modes 2, 4, 5,
or 6 described below.

1. Single-Channel Analog Hardware Trigger
Any analog input channel can be software p­ rogrammed
as the analog trigger channel, including any of theanalog expansion channels.
Input Signal Range: -10 to +10V max
Trigger Level: Programmable (11-bit resolution)
Hysteresis: Programmable (11-bit resolution)
Latency: 5 µs max

2. Single-Channel Analog Software Trigger
Any analog input channel, including any of the analog
expansion channels, can be selected as the software
trigger channel. If the trigger channel involves a
calculation, such as temperature, then the driver
automatically compensates for the delay required toobtain the reading, resulting in a maximum latencyof one scan period.
Input Signal Range: Anywhere within range of theselected trigger channel
Trigger Level: Programmable (16-bit resolution),including “window triggering”
Latency: One scan period max

3. Single-Channel Digital Trigger
A separate digital input is provided for digital t­ riggering.
Input Signal Range: -15V to +15V
Trigger Level: TTL
Minimum Pulse Width: 50 ns high, 50 ns low
Latency: 5 µs max

Measurement Computing

8- or 16-bit pattern triggering on any of the digital input
ports. Programmable for trigger on equal, above,
below, or within/outside of a window. Individual
bits can be masked for “don’t care” condition.
Latency: One scan period max

5. Counter/Totalizer Triggering
Counter/totalizer inputs can trigger an acquisition.
User can select to trigger on a frequency or on total counts that are equal, above, below, or within/outside of a window.
Latency: One scan period, max

6. Software Triggering
Trigger can be initiated under program control.

Analog Output (Models /2001 & /2020)
The four analog output channels are updated synchronously relative to scanned inputs, and clocked fromeither an internal onboard clock, or an external
clock source (/2001 only). Analog outputs can also
be updated asynchronously, independent of any
other scanning in the system.
Channels: 4
Resolution: 16 bits
Data Buffer: 256 Ksample divided by number ofanalog outputs
Output Voltage Range: ±10V
Output Current: ±10 mA
Offset Error: ±0.0045V max
Digital Feedthru: 50 mV when updated
Gain Error: ±0.01%
Update Rate: 100 kHz max, 1.5 Hz min (no min withexternal clock)
Settling Time: 10 µsec max to 1 LSB for full-scale step
Clock Sources: 4, programmable
1. Onboard D/A clock, independent of scanning
input clock
2. Onboard scanning input clock
3. External D/A input clock, independent of externalscanning input clock (not available on /2020)
4. External scanning input clock(508) 946-5100

10

Digital I/O
Channels/2001 & /2005: 40 built-in, expandable to 272/2020: 24 built-in, expandable to 256
Input Scanning Modes: 2
1. Asynchronous, under program control at any
time relative to input scanning
2. Synchronous with input scanningPorts/2001 & /2005: 3 x 8-bit, and 1 x 16-bit; each port is
programmable as input or output/2020: 3 x 8-bit
Input Protection: ±8 kV ESD clamp diodes parallel
I/O Levels: TTL
Sampling Rate: 200 kHz max
Update Rate: Asynchronous under program control

Frequency/Pulse Counters
Counter inputs can be scanned synchronously alongwith analog and digital scanned inputs, based either
on internal programmable timer, or an external clock
source. Counters can be configured to clear when
read, or to totalize and clear under program control.
Channels: 4 x 16-bit; cascadable as 2 x 32-bit
Frequency Measurement Rate: 10 MHz max
Input Signal Range: -15V to +15V
Trigger Level: TTL
Minimum Pulse Width: 50 ns high, 50 ns low

Frequency/Pulse Generators
Channels: 2 x 16-bit
Output Waveform: Square wave
Output Rate: 1 MHz base rate divided by 1 to 65,535(programmable)
High-Level Output Voltage: 2.0V min @ -3.75 mA;
3.0V min @ -2.5 mA
Low-Level Output Voltage: 0.4V max @ 2.5 mA

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DaqBook/2000 Series
Ordering Information
Ordering Information

RTDs

Description
Part No.
All DaqBook models include documentation
on CDROM, quick start guide, DaqView;
drivers for DASYLab®, NI LabVIEW®, Visual C++®,Visual C#®, Visual Basic®, and Visual Basic® .NET;
plus DaqCal software application
Ethernet 16-bit, 200 kHz dataacquisition system
DaqBook/2005
Same as above plus 4 channelsof analog output
DaqBook/2001
Ethernet 16 bit, 200 kHz dataacquisition system with front-panel
BNC and TC input channels
DaqBook/2020

Accessories & Cables
Rack mount kit for /2001 and /2005
Rack mount kit for /2020
Molded expansion cable from
DaqBook to DBK modules; 2 in.
Molded expansion cable from
DaqBook to DBK modules; 4 in.
DBK expansion cable from DaqBook
to DBK modules; 2.5 in.
DBK expansion cable from DaqBook
to DBK modules; 4.5 in.
Expansion-card cable for connecting
DBK Series expansion options;specify number of option cards (x)to be connected
SYNC cable for multi-unit
synchronization; 1 ft.
5-pin male DIN to 5-pin male DIN
provides convenient connection
between DaqBook power input
connectors and battery packs
5-pin DIN to automobile cigarette
lighter power cable, 8 ft.

Measurement Computing

RackDBK3
RackDBK1
CA-255-2T
CA-255-4T

Description
3-wire, 100 ohm, sealed with alumina
tube, 1 m
3-wire, 100 ohm, platinum(ready made), 2 m

Part No.
745691-01
745691-02

Thermocouples
E-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F) 1 m
E-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F) 2 m
J-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F 1 m
J-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F) 2 m
K-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F) 1 m
K-type thermocouple wire, fiberglass(0 ˚C to 482 ˚C, 32 ˚F to 900 ˚F) 2 m
T-type thermocouple wire, fiberglass(0 ˚C to 260 ˚C, 32 ˚F to 500 ˚F) 1 m
T-type thermocouple wire, fiberglass(0 ˚C to 260 ˚C, 32 ˚F to 500 ˚F) 2 m

745690-E001
745690-E002
745690-J001
745690-J002
745690-K001

CA-255-xT molded expansion cable for connecting DaqBook to DBK modules

745690-K002
745690-T001
745690-T002

CA-37-1T
CA-37-3T

SoftwareIcon-based data acquisition, graphics,
control, and analysis softwareDASYLabCA-37-x
CA-74-1

CA-115
CA-116(508) 946-5100

11

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