High-Speed Voltage Output – up to
1 MS/s/Channel, up to 16-Bit, up to 32 Channels
NI 673x, NI 671x, NI 672x
• Low-cost arbitrary
Recommended Software
waveform generation
• High channel density
• Integrated multidevice
synchronization bus
• Easy real-time control with
LabVIEW Real-Time
• LabVIEW 7.x or higher
• LabWindows/CVI 7.x or higher
• Measurement Studio 7.x or higher
• Analog Waveform Editor
Other Compatible Software
• Visual Studio .NET
• Visual Basic, C/C++, and C#
• Digital triggering and
external clocking
• Simultaneous updates
• 8 digital I/O lines (TTL/CMOS)
• Two 24-bit counter/timers
• Measurement services that simplify
configuration and measurements
Measurement Services
Software (included)1
• NI-DAQmx driver
• Measurement & Automation
Explorer configuration utility
1Mac OS X and Linux applications
must use NI-DAQmx Base driver software.
Operating Systems
• Windows 2000/NT/XP
• Mac OS X
• Linux
Calibration Certificate Available
Analog
Outputs
4
8
8
4
8
8
32
Update Rate
Output
Resolution
Output
Range (V)
External Voltage
Reference
Counters/
Timers
Family
Bus
Per Channel (S/s)1
1 M
Digital I/O
Triggering
Digital
Digital
Digital
Digital
Digital
Digital
Digital
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
NI 6711
NI 6713
NI 6715
NI 6731
NI 6733
NI 6722
NI 6723
PCI, PXI
PCI, PXI
PCMCIA
PCI
PCI, PXI
PCI, PXI
PCI, PXI
12
12
12
16
16
13
13
10
10
10
10
10
10
10
8
8
8
82
82
8
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
740 k to 1 M
100 k to 1 M
1 M
740 k to 1 M
182 k to 800 k
45 k to 800 k
–
–
8
1Update rate can vary depending on the number of channels used; 2Static or hardware-timed pattern generation and acquisition up to 10 MHz
Table 1. High-Speed Voltage Output Product Selection Guide
Overview and Applications
because you can define not only common waveforms such as square,
National Instruments high-speed voltage output modules combine sine, or sawtooth but also complex waveforms. For instance, you are
the latest in PC technologies to deliver simultaneous, multichannel able to create a sine wave that is overlaid with noise in which the
updates for control and waveform output applications. Use these amplitude and noiseshape is user-defined. In practice, the waveform
modules in a variety of applications, including:
• Stimulus/response
is defined in a software buffer, within PC memory, and is streamed to
the voltage output device using DMA (direct memory access) data
transfers. Using DMA transfers, the amount of memory located
onboard the voltage output device is minimized and is swapped with
inexpensive PC memory.
• Power supply control
• High-speed, deterministic control
• Sensor/signal simulation
Features
Real-Time Control
NI high-speed voltage output devices are versatile devices that You can use NI high-speed voltage output devices with the LabVIEW
commonly replace several kinds of instruments including stand- Real-Time Module to deliver real-time, deterministic control loop
alone PID controllers, low-speed arbitrary waveform generators, and execution. Because they are compatible with LabVIEW Real-Time,
function generators.
common control algorithms, such as PID, are simple to implement
but, more importantly, you may prototype and implement complex
and cutting-edge control algorithms as well. High-performance
Waveform Generation
These devices are capable of updating at rates up to 1 MS/s, giving control, on the order of 8 PID loops running in excess of 20 kHz
them the ability to generate waveforms up to 500 kHz. When using each, is possible with this combination of hardware and software.
these devices, you have complete control of each data point that is Each high-speed voltage output device offers multichannel
updated on the output for each channel. This feature is significant simultaneous updates and hardware-timed single-point updates.
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