1-2 Overview
10-29-02
OMB-Daq Systems
DaqBooks and DaqBoards
Daq products connect to one or more DBKs on their signal input side and a computer on their output side.
Each type of Daq device connects to the computer in a different way:
•
The
DaqBook
is an external module that connects to a computer’s enhanced parallel port (EPP)
interface or PC-Card link.
•
The
DaqBoard
[
ISA type
] board is an internal card that plugs into an ISA-bus slot within a
computer.
Features common to the Daq products include:
•
100-kHz channel-to-channel scan
and
gain switching (10 µs);
200-kHz for DaqBoard/2000 Series and DaqBoard/2000c Series Boards.
•
512-location sequence memory that can be loaded with any combination of channels and gains.
•
Ability to access up to 256 different channels of DBK signals while maintaining the channel-to-
channel scan rate. The DBK expansion options can accommodate mixed-signal inputs from
thermocouples and RTDs to isolated high-voltage inputs and strain gages.
•
Ability to handle 8 differential or 16 single-ended signal inputs without DBK expansion units.
•
Ability to handle fixed digital I/O up to 4 TTL lines in and 4 TTL lines out (accessible only if no
analog expansion cards are in use).
The following table lists various features of DaqBooks and ISA-DaqBoards.
Daq Products, Models and Features
Models
A/D
Resolution
Analog
Output
Channels
Unipolar/
Bipolar
Selection
Single-
ended/
Differential
Selection
Programmable
Digital I/O
Lines
Program
mable
Counter/
Timers
Size
(inches)
Power
Consumption
DaqBooks
DaqBook/100
12 bit
2
Jumper
Jumper
16 high speed
24 gen purpose
5 ch
7 MHz
8.5×11
×1.375
510 mA @ 12V
DaqBook/112 12
bit
2 Jumper Jumper
N/A
N/A 8.5×11
×1.375
360 mA @ 12V
DaqBook/120
12 bit
2
Jumper
Jumper
16 high speed
24 gen purpose
5 ch
7 MHz
8.5×11
×1.375
510 mA @ 12V
DaqBook/200
16 bit
2
Software
Software
16 high speed
24 gen purpose
5 ch
7 MHz
8.5×11
×1.375
620 mA @ 12V
DaqBook/216 16
bit
2 Software
Software
N/A
N/A 8.5×11
×1.375
600 mA @ 12V
DaqBook/260
16 bit
2
Software
Software
16 high speed
24 gen purpose
5 ch
7 MHz
11×13
×3.5
620
*
mA @ 12V
ISA-DaqBoards
DaqBoard/100A
12 bit
2
Sequencer
Software
16 high speed
24 gen purpose
5 ch
7 MHz
4.5×13.125
1330 mA @ 5V
DaqBoard/112A
12 bit
2
Sequencer
Software
N/A
N/A
4.5×13.125
970 mA @ 5V
DaqBoard/200A
16 bit
2
Sequencer
Software
16 high speed
24 gen purpose
5 ch
7 MHz
4.5×13.125
1700 mA @ 5V
DaqBoard/216A
16 bit
2
Sequencer
Software
N/A
N/A
4.5×13.125
1340 mA @ 5V
*
Does not include power consumption of internal DBK options.
Using DBK Cards and Modules for Signal Conditioning
The DBK signal-conditioning cards and module are designed for use with DaqBooks, LogBooks, and
various types of data acquisition boards, i.e., ISA, PCI, and compact PCI (cPCI) types. The DBKs perform
best when used with an acquisition device that can dynamically select channel, gain, and range. DBK
cards and modules with dynamic channel and gain/range selection allow for high channel-to-channel scan
rates with a variety of transducers.
Summary of Contents for 100/200 Series
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