1-MHz, 16-Bit USB Data Acquisition Modules |
| OMB-DAQ-3000 Series |
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1-MHz, 16-Bit USB Data Acquisition Modules
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$
1,449.00
OMB-DAQ-3005
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1-MHz, 16-Bit Multifunction USB Modules
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Synchronous Analog Input, Analog Output, Digital I/O, and Counter/Timer I/O
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8 Differential or 16 Single-Ended Analog Inputs (Software-Selectable per Channel)
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Thermocouple or Voltage Input on Any Analog Channel
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User-Expandable up to 64SE/32DE Analog Inputs, Including Thermocouple Measurements
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Up to four 16-Bit, 1-MHz Analog Outputs
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24 High-Speed Digital I/O Lines
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Four 32-Bit Counter Input Channels with Quadrature Encoder Capability
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Low-Latency Control Output Capability (as Low as 2 µs Latency) Software
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Includes DaqView Software for Instant Set-Up, Real-Time Viewing, Data Logging and Frequency Domain Analysis, Compatible with Windows VISTA
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Support for Visual Studio and Visual Studio .NET, including examples for Visual C++, Visual C#, Visual Basic and Visual Basic .NET
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Comprehensive Drivers for DASYLab and LabVIEW
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DaqCal Software Application for Easy User Calibration
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View related products - USB, RS232, RS485 and Ethernet Data Acquisition Systems
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The new OMB-DAQ-3000 Series offers high-speed, multifunction
data acquisition in a low-cost, portable package. The module
offers synchronous and concurrent voltage input, temperature input,
waveform output, counter input, quadrature encoder input, timer
output and digital I/O. Everything needed to begin acquiring, viewing
and storing data is included with the OMB-DAQ-3000 Series, including
comprehensive software support. The OMB-DAQ-3000 features a 16-bit/1-MHz A/D converter,
16 analog input channels user-expandable to 64, up to four 16-bit/1-MHz analog outputs,
24 high-speed digital I/O, 2 timer outputs and four 32-bit counters.
All analog I/O, digital I/O, and counter/timer I/O can operate
synchronously and simultaneously, guaranteeing deterministic I/O
among all signal types. Unique to the OMB-DAQ-3000 is a
low-latency, highly deterministic control output mode that operates
independent of the PC. In this mode, digital, analog and timer
outputs can respond to analog, digital and counter inputs, as fast as
2 µs, at least 1000 times faster than other products that rely on the PC
for decision making.
Software
Included with the OMB-DAQ-3000 is new DaqView software,
a comprehensive application that enables set-up, data logging and
real-time data viewing without requiring any programming skills.
Optional OMB-DAQVIEW-PRO software adds features such as
direct-to-Excel enhancements, FFT analysis, statistics, etc. all for
a small additional price. Also included with the
OMB-DAQ-3000 is a complete set of drivers and detailed sample
programs for the most popular programming languages and
software packages. Driver support includes Visual Basic, C/C++,
LabVIEW and DASYLab. DaqCOM provides
Windows-based ActiveX/COM-based programming tools for
Microsoft Visual Studio and Visual Studio .NET. C-2
Analog Input
The OMB-DAQ-3000 has a 16-bit, 1-MHz A/D coupled
with 16 single-ended inputs, 8 differential analog inputs, or 8
differential thermocouple inputs. Seven software-programmable
ranges provide inputs from ±10 V to ±100 mV full scale. Each
channel can be software-configured for a different range, as well as for
single-ended or differential bipolar input, or thermocouple input. The
hybrid PGIA on the OMB-DAQ-3000 is guaranteed to settle to the
specified accuracy while operating at the full 1 Msample/s rate.
Every analog input on the OMB-DAQ-3000 or on the
OMB-PDQ30 expansion option can accept a thermocouple (TC) input.
Built-in cold-junction sensors are provided for each of the removable
screw-terminal connectors, and any TC type can be attached to any
channel. When measuring TCs, the OMB-DAQ-3000 operates
in an over-sample mode, where multiple readings taken on
each TC channel, digitally filtered, cold-junction compensated and
converted to temperature. As a result, channels with TCs attached
are measured at a rate 50 Hz to 10 kHz, depending on how
much over-sampling is selected. In line-cycle rejection mode,
over- sampling occurs during one cycle of either 50 Hz or 60 Hz,
providing a high level of 50 Hz or 60 Hz rejection.
Analog Channel Expansion
Adding additional analog input channels for the OMB-DAQ-3000
is easy using the optional OMB-PDQ30 expansion module.
The OMB-PDQ30 connects to the OMB-DAQ-3000 by either plugging
directly into the expansion connector or via a cable
(OMB-CA-96A) if distance is required between the two units. The
OMB-PDQ30 provides an additional 48SE/24DE analog inputs or 24
differential thermocouple inputs, software-configured on a per-channel
basis. The total channel capacity with a OMB-PDQ30
attached is 64 single-ended or 32 differential inputs. The
measurement speed of OMB-PDQ30 channels is the
same 1 Msample/s as with the OMB-DAQ-3000 channels.
When configured to measure thermocouple channels, the system
sample rate is typically 50 Hz to 10 kHz per channel. This reduction
in sample rate ensures that temperature measurements are
accurate, low noise and stable.
Synchronous I/O
The OMB-DAQ-3000 can make analog measurements and read
digital and counter inputs, while synchronously generating up to four
analog outputs as well as digital pattern outputs. Digital and counter
inputs do not affect the overall A/D rate because they use no time slot
in the scanning sequencer.
Input Scanning
The OMB-DAQ-3000 has several scanning modes to address a
wide variety of applications. A 512-location scan buffer can be loaded
by the user with any combination of analog input channels. All analog
input channels in the scan buffer are measured sequentially at 1 µs per
channel. The user can also specify that the sequence repeat
immediately or repeat after a programmable delay, from 0 to 19
hours, with 20.83 ns resolution. In either of the two synchronous
modes, the digital inputs and/or counter inputs are read with
deterministic time-correlation to the analog inputs. In the once-per-scan
mode, all of the enabled digital inputs and counter inputs are read
during the first analog measurement of an analog input scan sequence.
The advantage of this mode is that the digital and counter inputs do not
consume an analog input time slot and therefore do not reduce the
available bandwidth for analog input measurements.
Output Timing
The digital and analog outputs on the OMB-DAQ-3000 can be updated
asynchronously or synchronously in several modes. In asynchronous
mode, digital and analog outputs can be updated before, during or
after an analog input sequence. The maximum update rate in this
mode is non-deterministic and is entirely dependent on the PC
processor speed, the operating system and programming
environment. In synchronous output modes, outputs can be updated continuously
from the PC or in response to an input from an analog channel, digital
channel or counter channel. When updated from the PC, the user can
specify the rate at which the output is updated in 20.83 ns intervals.
Outputs are updated synchronously at a maximum rate of 1 µs.
Analog Output (OMB-DAQ-3000 and 3001 Only)
Two or four 16-bit, 1-MHz analog output channels are built into the
OMB-DAQ-3000 with an output range from -10 V to +10 V. The
maximum rate at which analog outputs can be updated depends on
several factors, including the speed of the USB port. Typically, with the
A/D operating at full 1 Mreading/s rates, one analog output can be
updated continuously from PC memory at 1 MHz, or two analog
outputs at 500 kHz or four analog outputs at 250 kHz.
Digital I/O
Twenty-four TTL-level digital I/O lines are included in the
OMB-DAQ-3000. Digital I/O can be programmed in 8-bit groups as
either inputs or outputs and they can be scanned in several modes
(see Input Scanning). Ports programmed as inputs can be part
of the scan group and scanned along with analog input channels, or
they can be asynchronously accessed via the PC at any time,
including when a scanned acquisition is occurring. Two
synchronous modes are supported when scanned along with analog
inputs. In one of these modes, digital inputs are scanned at the
start of each scan sequence, which means the rate at which they are
scanned is dependent on the number of analog input channels
and the delay period.
If no analog inputs are being scanned, the digital inputs can be
scanned at up to 12 Msamples/s. The low-latency digital output mode
allows a digital output to be updated based on the level of an analog, digital or counter input. In this mode,
the user associates a digital output bit with a specific input and specifies
the level of the input where the digital output changes state.
The response time in this mode depends on the number of input
channels being scanned and can typically be in the range of 2 to 6 µs.
Pattern Generation
Two of the 8-bit ports can be used to generate a 16-bit digital pattern
at up to 1 MHz. The digital pattern can be read from PC RAM or a file
on the hard disk. Digital pattern generation is clocked in the same
four modes as was described withanalog output.
Counter Inputs
Four 32-bit counters are built into the OMB-DAQ-3000. Each will
accept frequency inputs of up to 20 MHz, and each counter channel can
be configured in a variety of modes, including counter, period, pulse
width, time between edges, or multi-axis-quadrature encoder. The
counters can concurrently monitor time periods, frequencies, pulses,
and other event-driven incremental occurrences from encoders, pulse
generators, limit switches, proximity switches, and magnetic pick ups.
As with all other inputs to the OMB-DAQ-3000, the counter inputs
can be read asynchronously under program control, or synchronously
as part of an analog and digital scan group based either on an internal
programmable timer or on an external clock source.
The OMB-DAQ-3000 supports quadrature encoders with up to
2 billion pulses per revolution, 20 MHz input frequencies, and x1, x2,
x4 count modes. With only A phase and B phase signals, 2 channels are
supported. With A phase, B phase, and Z index signals, 1 channel is
supported. Each input can be debounced from 500 ns to 25.5 ms
(total of 16 selections) to eliminate extraneous noise or switch-induced
transients. Encoder input signals must be within -15 V to +15 V
and the switching threshold is TTL (1.3 V).
Timer Outputs
Two 16-bit timer outputs are built into the OMB-DAQ-3000, each capable
of generating different square waves with a programmable frequency range
from 16 Hz to 1 MHz.
Specifications
(GENERAL)
ENVIROMENT:
Operating Temperature: -30 to 70°C (-54 to 158°F)
Storage Temperature: -40 to 80°C (-40 to 176°F)
Relative Humidity: 0 to 95% non-condensing
Communications: USB 2.0 high-speed mode (480 Mbps),
if available, otherwise USB1.1 full-speed mode (12 Mbps)
Acquisition Data Buffer: 1 MSample
Vibration: MIL STD 810E category 1 and 10
Signal I/O Connector: 6 banks of removable screw-terminal blocks
EXTERNAL POWER:
Connector: Switchcraft# RAPC-712
Power Range: 6 to 16 VDC (used when USB port supplies
insufficient power, or when an independent power supply
is desired)
Over Voltage: 20 V for 10 seconds, max
Expansion Connector: 25-pin DSUB, female
Dimensions: 269 W x 92 D x 45 mm H (10.6 x 3.6 x 1.6")
Weight: 431 g (0.95 lb)
ANALOG INPUTS
Channels: 16 single-ended or 8 differential, programmable
on a per-channel basis as single-ended or differential
Expansion: An additional 48 analog inputs per board via
optional OMB-PDQ30 module; expansion channels have
identical features as the main board channels
Expansion Connector: 25-pin, DSUB, female
Over-Voltage Protection: ±30 V without damage
Voltage Measurement Speed: 1 µs per channel
Temperature Measurement Speed: Programmable from
100 µs to 20 ms per channel Ranges: Software or sequencer
selectable on a per-channel basis, ±10 V, ±5 V, ±2 V, ±1 V, ±0.5 V,
±0.2 V, ±0.1 V
Input Impedance: 10M Ω single-ended; 20 M .differential
Total Harmonic Distortion: -80 dB typical for ±10 V range, 1 kHz fundamental
Signal-to-Noise and Distortion: 72 dB typ for ±10 V range, 1 kHz
fundamental
Bias Current: 40 pA typical (0 to 35°C)
Crosstalk: -75 dB typical DC to 60 Hz; -65 dB typical @10 kHz
Common Mode Rejection: -70 dB typical DC to 1 kHz
A/D SPECIFICATIONS
Type: Successive approximation
Resolution: 16-bit
Maximum Sample Rate: 1 MHz
Nonlinearity (Integral): ±2 LSB maximum
Nonlinearity (Differential): ±1 LSB maximum
INPUT SEQUENCER
Analog, digital and frequency inputs can be scanned
synchronously, based on either an internal
programmable timer or an external clock
source. Analog and digital outputs can be synchronized
to either of these clocks.
Scan Clock Sources: 2
Note: The maximum scan clock rate is the
inverse of the minimum scan period. The minimum
scan period is equal to 1 µs times the number of analog
channels. If a scan contains only digital channels then the
minimum scan period is 250 ns.
1. Internal, programmable
Analog channels from 1 µs to 19 hours in 20.83 ns steps;
digital channels and counters from 83.33 ns to 19 hours in
20.83 ns steps
2. External, TTL level input Analog channels down to 1 µs
min digital channels and counters down to 83 ns min
Programmable Parameters per Scan:
Channel (random order), gain
Depth: 512 locations
On-Board Channel-to-Channel Scan Rate: Analog - 1 MHz maximum
Digital - 4 MHz if no analog channels are enabled, 1 MHz with
analog channels enabled
EXTERNAL ACQUISITION SCAN CLOCK INPUT
Maximum Rate: 1.0 MHz
Clock Signal Range: Logical zero 0 V to 0.8 V; logical one
2.4 V to 5.0 V
Minimum Pulse Width: 50 ns high, 50 ns low
ANALOG OUTPUTS (OMB-DAQ-3000 and 3001 only) Analog output channels are updated
synchronously relative to scanned inputs, and clocked from either an
internal on-board clock or an external clock source. Analog
outputs can also be updated asynchronously, independent
of any other scanning in the system. Streaming from disk or memory is
supported, allowing continuous, nearly infinite-length waveform
outputs (limited only by available PC system resources).
Channels: OMB-DAQ-3000, 2; OMB-DAQ-3001, 4
Resolution: 16-bits
Data Buffer: PC-based memory
Output Voltage Range: ±10 V
Output Current: ±1 mA; sourcing more current ( 1 mA to 10 mA) may
require OMB-TR-2 power adaptor)
Offset Error: ±0.0045 V max
Digital Feedthrough: <10 mV when updated
DAC Analog Glitch: <12 mV typical at major carry
Gain Error: ±0.01%
Update Rate: 1 MHz max, 19 hrs min (no minimum with external
clock), resolution 20.83 ns, 250 kHz if all 4 DACs enabled
Settling Time: 2 µs to rated accuracy
Clock Sources: 4, programmable
1. On-board D/A clock, independent of scanning input clock
2. Onboard scanning input clock
3. External D/A input clock, independent of external
scanning input clock
4. External scanning input clock
DIGITAL I/O
Channels: 24
Ports: 3 x 8 bit, each port is
programmable as input or output
Input Scanning Modes: 2 programmable
1. Asynchronous, under program control at any time
relative to input scanning
2. Synchronous with input scanning Input Characteristics:
10K .pull up to 5 V, 20 pF to common
Input Characteristics: 220 Ω series resistor, 20 pF to common
Input Protection: ±15 kV ESD clamp diodes
Input Levels: Low: 0 to 0.8 V; High: 2.0 V to 5.0 V
Output Levels: Low: <0.8 V; High: >2.0 V
Output Characteristics: Output 1.0 mA per pin
Sampling/Update Rate: 4 MHz max
PATTERN GENERATION OUTPUT
Two of the 8-bit ports can be configured for 16-bit pattern
generation. The pattern can also be updated synchronously with an
acquisition at up to 1 MHz.
COUNTER
Each of the four high-speed, 32-bit counter channels can be configured
for counter, period, pulse width, time between edges or multi-axis
quadrature encoder modes. Counter inputs can be scanned
synchronously along with analog and digital scanned inputs, based
on an internal programmable timer or an external clock source.
Channels: 4 x 32 bit
Input Frequency: 20 MHz max
Input Signal Range: -15 V to 15 V
Input Characteristics: 10K Ω pull up, ±15 kV ESD protection
Trigger Level: TTL
Minimum Pulse Width: 25 ns high, 25 ns low
Debounce Times: 16 selections from 500 ns to 25.5 ms;
positive or negative edge sensitive; glitch detect mode
or debounce mode
Time Base Accuracy: 50 ppm (0° to 50°C)
Five Programmable Modes: counter, period, pulsewidth,
timing, Encoder
Counter Mode Options: Totalize, clear on read, rollover,
stop at all Fs, 16- or 32-bit, any other channel can gate or
decrement the counter
Period Mode Options: Measure x1, 10, 100 or 1000 periods,
16-or 32-bit; 4 different time bases to choose from: 20.83 ns, 208.3 ns,
2.083 µs, 20.83 µs, any other channel can gate the period
measurement
Pulsewidth Mode Options:
16- or 32-bit values; 4 different time bases to choose from: 20.83 ns,
208.3 ns, 2.083 µs, 20.83 µs, any other channel can gate the
pulsewidth measurement
Timing Mode Options: 16- or 32-bit values; 4 different time bases to
choose from: 20.83 ns, 208.3 ns, 2.083 µs, 20.83 µs
Encoder Mode Options: x1, 2, 4 options, 16- or 32-bit values, Z-channel
clearing of counter, any other channel can gate the counter
Multi-Axis Quadrature Encoder Inputs:
1 channel with A (phase), B (phase) and Z (index);
2 channel with A (phase) and B (phase);
x1, x2 and x4 count modes; single-ended TTL
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:
2.0 V min @ -1.0 mA; 2.9 V min @ -400 µA
Low-Level Output Voltage:
0.4 V max @ 400 µA
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† All dollar amounts on this site are shown in US currency.
Note: Each OMB-DAQ-3000 Series module is supplied with DaqView software, software drivers and complete operators manual on CD ROM. USB cable required (ordered separately).
Ordering Example: (1) OMB-DAQ-3005 16-bit, 1-MHz USB data acquisition module with 16 analog inputs, 24 digital I/O, four counters, and two timers; includes DaqView software, support for Visual Studio and Visual Studio .NET, with examples for Visual C++, Visual C#, Visual Basic and Visual Basic .NET; drivers for DASYLab and LabVIEW; DaqCal software application, $1,449.00
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