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
waveform generation
• High channel density
• Integrated multidevice
synchronization bus
• Easy real-time control with
LabVIEW Real-Time
• 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
Recommended Software
• 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#
Measurement Services
Software (included)
1
• NI-DAQmx driver
• Measurement & Automation
Explorer configuration utility
1
Mac 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
Family
NI 6711
NI 6713
NI 6715
NI 6731
NI 6733
NI 6722
NI 6723
1
Bus
PCI, PXI
PCI, PXI
PCMCIA
PCI
PCI, PXI
PCI, PXI
PCI, PXI
Analog
Outputs
4
8
8
4
8
8
32
Update Rate
Per Channel (S/s)
1
1M
740 k to 1 M
100 k to 1 M
1M
740 k to 1 M
182 k to 800 k
45 k to 800 k
Output
Resolution
12
12
12
16
16
13
13
Output
Range (V)
±10
±10
±10
±10
±10
±10
±10
External Voltage
Reference
–
–
Digital I/O
8
8
8
8
2
8
2
8
8
Counters/
Timers
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
2, 24-bit
Triggering
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Update rate can vary depending on the number of channels used;
2
Static or hardware-timed pattern generation and acquisition up to 10 MHz
Table 1. High-Speed Voltage Output Product Selection Guide
Overview and Applications
National Instruments high-speed voltage output modules combine
the latest in PC technologies to deliver simultaneous, multichannel
updates for control and waveform output applications. Use these
modules in a variety of applications, including:
• Stimulus/response
• Power supply control
• High-speed, deterministic control
• Sensor/signal simulation
because you can define not only common waveforms such as square,
sine, or sawtooth but also complex waveforms. For instance, you are
able to create a sine wave that is overlaid with noise in which the
amplitude and noiseshape is user-defined. In practice, the waveform
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.
Features
NI high-speed voltage output devices are versatile devices that
commonly replace several kinds of instruments including stand-
alone PID controllers, low-speed arbitrary waveform generators, and
function generators.
Real-Time Control
You can use NI high-speed voltage output devices with the LabVIEW
Real-Time Module to deliver real-time, deterministic control loop
execution. Because they are compatible with LabVIEW Real-Time,
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
control, on the order of 8 PID loops running in excess of 20 kHz
each, is possible with this combination of hardware and software.
Each high-speed voltage output device offers multichannel
simultaneous updates and hardware-timed single-point updates.
Waveform Generation
These devices are capable of updating at rates up to 1 MS/s, giving
them the ability to generate waveforms up to 500 kHz. When using
these devices, you have complete control of each data point that is
updated on the output for each channel. This feature is significant
NI [ NATIONAL INSTRUMENTS CORPORATION ]
