NI6120 datasheet(3/8 Pages) NI

3 / 8 page

S Series Multifunction DAQ 12 or 16-Bit,

1 to 10 MS/s, 4 Analog Inputs

National Instruments • Tel: (800) 813 3693 • info@ni.com • ni.com

NI Spectral Measurements Toolkit

This toolkit includes all of the analysis and presentation tools to

convert your S Series device into a full-featured spectrum analyzer.

The toolkit includes:

• Measurements such as in-band power and adjacent-channel power

• 3D spectrogram

• Analog modulation and demodulation

• I-Q data for digital demodulation

• Highly optimized FFT processing

High-Performance Data Throughput

Using NI-DAQmx driver software and S Series, you can take full

advantage of your PC’s throughput potential, which is useful in

many applications including transient recording.

Flexible Data Transfer

With NI-DAQmx, you can choose where to accumulate data – on the

onboard memory, PC RAM memory, or PC hard drive memory.

Thus, you can balance your PC application requirements and

stream-to-disk/memory capabilities. In any case, NI-DAQmx

optimizes data transfers by using DMA (direct memory access) and

transferring large chunks of data, while ensuring no data loss. You

can also choose the format of your data, further optimizing

throughput. Choices include raw (binary), scaled, or the high-level

waveform data type. Using these techniques, you can achieve rates of

more than 40 MS/s sustained over the PCI/PXI bus to hard drive

(depending on the PC).

Data Compaction

With the release of NI-DAQmx 7.4 or later, data compaction is

available for stream-to-disk applications. The NI-DAQmx

compaction feature strips unused or unwanted bits of data from

each sample taken from your S Series device before it is permanently

recorded to hard disk. This is helpful because hard drives are

typically the throughput bottleneck compared to the PCI/PXI bus

and PC RAM memory read/write speed. Using data compression,

users with standard hard drives can see up to 20 percent higher

throughput when streaming-to-disk.

Signal Conditioning

With the release of NI-DAQmx 7.4 or later, all S Series devices are

compatible with parallel-mode SCXI modules.

SCXI is limited to 100 kS/s for 16-bit accuracy and 333 kS/s for

12-bit accuracy when used in multiplexed mode. However, in

parallel mode, the sample rate is limited by the maximum scan rate

of the data acquisition device. When SCXI is used in parallel mode

with S Series, all channels are simultaneously sampled and the

sampling rate is limited by the S Series device, from 250 kS/s per

channel to 10 MS/s per channel.

Measurement Services Software

National Instruments measurement services software, built

around NI-DAQmx driver software, includes intuitive application

programming interfaces, configuration tools, I/O assistants, and

other tools designed to reduce system setup, configuration, and

development time.

Automatic Code Generation – DAQ Assistant is an interactive guide

that helps you navigate through configuring, testing, and programming

measurement tasks and automatically generates the necessary code

for LabVIEW, LabWindows/CVI, or Measurement Studio.

Cleaner Code Development – Basic and advanced software functions

have been combined into one easy-to-use yet powerful set to help

you build cleaner code and move from basic to advanced

applications without replacing functions.

High-Performance Driver Engine – NI-DAQmx delivers maximum

I/O system throughput with a multithreaded driver.

Test Panels – With the Measurement & Automation Explorer

configuration utility, you can test all of your module functionality

before you begin development.

Scaled Channels – Easily scale your voltage data into the proper

engineering units using the NI-DAQmx Measurement Ready virtual

channels by choosing from a list of common sensors and signals or

creating your own custom scale.

Data-Logging Software – VI Logger Lite is configuration-based

software designed specifically for data logging. Features include

easy logging and viewing of data, data extraction to Microsoft

Excel, and code generation in LabVIEW.

LabVIEW Integration – All NI-DAQmx functions create the

waveform data type, which carries acquired data and timing

information directly into more than 400 LabVIEW built-in analysis

routines for display of results in engineering units on a graph.

NI-DAQmx Base Driver

NI-DAQmx Base (available at ni.com/downloads) offers Mac OS X

and Linux users a programming interface similar to NI-DAQmx. It

includes ready-to-use LabVIEW VIs and C function features similar

to those included in NI-DAQmx driver software.

Model

Description

Channels

SCXI-1520

Universal Strain Gage Input

SCXI-1125

Isolation Amplifier

SCXI-1141/2/3

8-Pole Lowpass Filters

Table 3. Most Popular Parallel-Mode SCXI Modules

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