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National Instruments (NI) has launched two products that extend the capabilities of its wireless sensor network (WSN) platform, suitable for applications such as energy monitoring and transportation.

The NI 9792 is a programmable WSN gateway that can communicate with NI WSN measurement nodes as well as other hardware through a variety of open communication standards.

The gateway combines an NI Labview Real-Time controller and an integrated WSN radio so that Labview Real-Time applications can run locally on the gateway to aggregate data from NI WSN devices, making the NI 9792 suitable for embedded, wireless data-logging applications.

In addition, the NI WSN-3226 voltage/resistance temperature detector (RTD) combination node extends the measurement capabilities of the NI WSN platform to include support for resistance-based measurements such as RTDs and potentiometers and gives engineers and scientists the ability to combine voltage and temperature measurements on a single NI WSN device.

The NI 9792 gateway, which is programmable with the Labview Real-Time module for standalone operation, features a high-performance 533MHz processor and 2Gb of onboard storage for embedded data-logging applications.

The new gateway also features integrated web (HTTP) and file (FTP) servers, which enables remote access to measurement data from thin-client devices such as smartphones and mobile computers.

The NI 9792 includes an RS232 serial port and dual Ethernet ports to provide flexible connectivity to other devices such as enterprise-level networks or wired input/output (I/O) systems.

With this flexibility, engineers and scientists can create a complete wired and wireless measurement solution to meet various application needs.

The new WSN-3226 measurement node adds resistance-based measurements to the NI WSN platform and features four analogue input channels that can be configured on a per-channel basis for +/-10V measurements or resistive measurements.

The new measurement node gives engineers and scientists the flexibility to choose between high-speed and high-resolution analogue input modes on the device, optimising the power and performance trade-offs for their applications.

The WSN-3226 also features two bidirectional digital channels that can be configured on a per-channel basis for input, sinking output or sourcing output.

In addition, the measurement node can be powered by four AA batteries, with an operational lifetime of up to three years, or externally powered with a 5-30V supply, which offers improved efficiency for energy-harvesting applications.

Using the Labview WSN Module Pioneer, engineers and scientists can customise the behaviour of the WSN-3226 by adding intelligence to extend battery life, increase analogue and digital input performance, perform local control, analysis and data reduction and interface with custom sensors.

The latest version of the NI WSN software, NI WSN 1.2, provides support for WSN-3226, along with other features including faster firmware updates, more accurate data time stamping and automatic I/O-variable deployment.

The software also delivers the web-based configuration of the NI 9792 gateway, eliminating the need for application software to configure and set up a WSN.

NI WSN products are suitable for long-term data logging and remote monitoring in applications such as environmental monitoring, energy monitoring, building monitoring, structural health monitoring, distributed temperature monitoring, transportation and industrial monitoring.

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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