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Aloxy partners with MultiTech

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Aloxy partnered with MultiTech to create a multiple radio technology gateway for the chemical and Oil & Gas industry

Opening or shutting a valve seems like a straightforward task, until that valve is placed in an industrial environment, surrounded by chemicals, machinery, high pressure and dangerous gasses. In such an environment, making a mistake can be disastrous. Thankfully, new communication protocols and sensors are now available, eliminating the risk of mistakes by hands-on workers performing more dangerous day-to-day operations within industrial plants worldwide

The Belgium-based Aloxy, took on the challenge of developing a safe, efficient solution that increases the safety of error-prone, manual valve operations. The time had come to increase insights in manual valve operations.

Aloxy considered all options, including current technological solutions to digitize the process using wired position indicators or limit switches, which are quite expensive to install. Having assessed these, Aloxy decided to develop its own, more affordable, plug-and-play wireless solution that could not only determine if valves were in the correct position, but also enable real- time alerts, offering continuous no-fault information on the actual position of the valves.

Ultimately, Aloxy opted for multiple low power wide area network (LPWAN) radio technologies such as LoRaWAN and DASH7 Alliance Protocol to monitor communications from its ATEX/IECEx certified sensors, that were placed on the valves. LoRa, coined from ‘long range’, is a proprietary spread-spectrum modulation for low data rate, low power, and long-range wireless communication and is ideally suited for industrial environments.

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LoRaWAN is the wide area network protocol specification for use with LoRa modulation and is designed for secure bidirectional communication, mobility and localisation services. DASH7 is an open source wireless sensor and actuator network protocol. Depending on the use case and specific requirements from the customer, one or both protocols is selected for communication. Some of the benefits in utilising LoRAWAN as well as DASH7 within such an environment include:

  • Long range compared to Wi-Fi;
  • Excellent propagation in industrial environments;
  • Low power – good trade-off between data rate and energy consumption
  • Private – onsite network deployments are able to use multiple protocols which allows the most suitable protocol for the specific use case to be selected, in terms of sensor range, reliability, latency and battery life;
  • Well-accepted standard within many industrial and chemical plants.

Pivotal to the solution was finding an IoT gateway that could work with both of these protocols, that was flexible to accommodate the needs of varied industrial environments, including those without LPWAN infrastructure, and was rugged enough for harsh industrial environments. After considering a variety of gateways, Aloxy opted for the MultiTech Conduit IP67 base station, a ruggedised IoT gateway solution, specifically designed for outdoor LoRa public or private network deployments. The highly scalable and certified Conduit IP67 gateway is capable of resisting the harshest environmental factors including moisture, dust, wind, rain, snow and extreme heat. The device also supports LoRaWAN applications in virtually any environment.

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“Utilising the Conduit, our solution lets us use multiple radio technologies so we can select the right one for the use case or support both at the same site,” said Glenn Ergeerts at Aloxy. “We considered other gateway providers, but they didn’t have this flexibility. Our LoRa and DASH7 sensors needed a gateway that could support both of these protocols. We found it with the Conduit and look forward to working with the MultiTech team in the future.”

Aloxy’s original goal of improving safety and efficiency and digitalising processes to deliver actionable insights into industrial operations has been met.

For now, the future is brighter for Industrial workers thanks to wireless protocols, sensors and IoT gateways and innovators like Aloxy and MultiTech who partner effectively to use them.

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