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National Instruments (NI) has released an Ethernet-based CompactDAQ modular data-acquisition system for measuring up to 256 channels of electrical, physical, mechanical or acoustic signals.

The CDAQ-9188 chassis is designed to hold eight I/O modules in a 25 x 9 x 9cm rugged form factor.

The system is said to combine the ease of use and low cost of a data logger with the performance and flexibility of modular instrumentation.

With more than 50 different I/O modules to choose from, engineers and scientists can build remote or distributed high-speed measurement systems using standard Gigabit Ethernet infrastructure.

In addition, NI CompactDAQ simplifies initial setup with zero-configuration networking technology and a built-in, web-based configuration and monitoring utility.

NI CompactDAQ uses NI Signal Streaming technology to deliver high-bandwidth data over Ethernet to a host computer.

NI signal streaming provides the ability to maintain bidirectional analogue and digital waveforms continuously over a TCP/IP connection.

With NI-STC3 timing and synchronisation technology, each chassis can also manage up to seven separate hardware-timed I/O tasks at different sample rates, including analogue I/O, digital I/O and counter/timer operations.

The chassis operate in a temperature range of -20 to 55C and can withstand up to 30 G shock and 3 G vibration, making NI CompactDAQ ideal for demanding test applications on the benchtop, in the field or on the production line.

In addition to the Ethernet chassis, the NI CompactDAQ platform includes a four- and eight-slot USB chassis, and NI C Series I/O modules.

NI offers more than 50 C Series modules to use interchangeably in NI CompactDAQ systems, each of which is hot-swappable and auto-detectable for simplified setup.

C Series modules offer integrated signal conditioning and multiple connectivity options to create custom, mixed-measurement systems specific to the needs of an application.

A single analogue input module, for example, can acquire up to four channels of simultaneous 1MS/s voltage inputs for measuring high-speed signals such as ballistic pressure or ultrasonic transducers.

NI-DAQmx driver software, which is included with NI CompactDAQ, goes beyond a basic device driver to deliver increased productivity and performance.

With NI-DAQmx, engineers and scientists can log data for simple experiments or develop a complete test system in NI Labview, NI Labwindows/CVI, ANSI C/C++ or Microsoft Visual Studio.NET.

A consistent API means that an application developed for an NI CompactDAQ USB chassis will work with an NI CompactDAQ Ethernet chassis without any changes to the software.

Programming NI CompactDAQ with Labview is said to deliver the most performance for the least effort.

Labview graphical programming makes it possible for engineers and scientists to develop sophisticated measurement, test and control systems using intuitive graphical icons and wires that resemble a flowchart.

The multiple timing engines featured on NI CompactDAQ chassis complement the multicore optimisations in Labview to make programming multiple measurement tasks in parallel easy.

Labview also offers integration with thousands of other hardware devices and provides hundreds of built-in libraries for advanced analysis and data visualisation.

National Instruments

National Instruments transforms the way engineers and scientists around the world design, prototype and deploy systems for test, control and embedded design applications. Using NI LabVIEW graphical programming software and modular hardware, customers at more than 30,000 companies annually simplify development, increase productivity and dramatically reduce time to market. From testing next-generation gaming systems to creating breakthrough medical devices to controlling autonomous vehicles, NI customers continuously develop innovative technologies that impact millions of people’s lives.

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