Internet of Things
Two Wireless Gateway Choices To collect the data from the bridges and connect it to the cloud, Wireless Sensors offers two wireless gateways: the GWAY-2100 and GWAY-2105. Both are application-ready and based on Intel NUCs powered by the Intel® processor E3815.
Atom™
The gateways include network management, user inter- face, data logging, trending, alarming, and communications capabilities. To access and confi gure the system, only a standard browser and network connection are required. No additional software is necessary.
Both gateways offer the same wide range of protocol and network support. Wireless Sensors recommends the GWAY-2100 for smaller applications, and as a standalone data logger with real-time views, trending, and e-mail alerts (Figure 4, see page 57). Up to 8 million records can be stored onboard, and the system will automatically send sensor data across commonly used protocols.
The GWAY-2105 can connect larger existing network archi- tectures by supporting up to fi ve remotely mounted SensiNet bridges (Figure 5). It enables a single integration point for sen- sors around a building, across a campus, or throughout the world. The GWAY-2105 offers the same protocol and network support as the GWAY-2100.
Middleware on the gateway abstracts the individual sensor from the complexity of IP, allowing easy integration of sensors with the IoT through modern communications protocols. The gateway also provides a platform for data buffering, edge analytics, and localized alarming to reduce cloud processing and storage costs.
The gateways’ onboard web servers enable edge-to-cloud communication. Broad protocol support that includes Modbus, SNMP, ODBC, OPC, HTTP POST, SOAP, and FTP makes integra- tion simple (Figure 6). When everything is connected, users can remotely view alerts and monitor trends. Alternatively, the system can direct collected sensor data through the gateway into control and enterprise networks.
Based on the Intel® The Intel®
NUC NUC Kit used to create these gateways is a compact
powerhouse for value-conscious businesses and organiza- tions. This low-cost solution provides:
• Fanless design for silence and reliability • Intel®
Atom™ power (TDP)
• 4 GB onboard embedded MultiMediaCard (eMMC) storage • Internal fl at panel display connectivity for built-in screens • Video graphics array (VGA) port for monitor compatibility in legacy installations
• Inter-integrated circuit (I²C) and pulse-width modulation (PWM) signals for interfacing with sensors and other IoT- enabled embedded devices
58 | 2016 | 13th Edition | Embedded Innovator | Figure 6.
intel.com/embedded-innovator processor E3815 with 5 W thermal design SNMP SensiNet
The gateways’ onboard web server provides broad protocol support to make integration simple.
Local Storage Scalable Compute Protocol Abstraction Hardware ID Secure Boot White Listing Edge Management Over-the-Air Updates
Wireless and Legacy Protocol Support
Figure 5.
The GWAY-2105 supports larger existing network architectures by connecting up to fi ve remotely mounted SensiNet bridges.
Machine Learning
Event Hubs Streaming Analytics
Microsoft Azure
Pre-Integrated with
Elastic Storage Data Mash Up API Library Management BI Dashboards
Modbus TCP
RESTful
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