Application Gateways for Industry 4.0
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Smart gateways are critical to Industry 4.0. They can react locally if the network is down, add security functions, reduce latency and minimize traffic. Applications running on intelligent gateways are hard to program, since they need to interact concurrently with many other devices and interfaces, be monitored remotely, and work reliably all the time, while working autonomously
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Application Gateways for Industry 4.0
- 1. March 2012 - Business Confidential - Bitreactive AS Smart Gateways for Industry 4.0
- 3. 3 Industry 4.0 Cloud Embedded Programming challenges in the embedded domain are very different from those you find when developing web or mobile applications. Programmers with required experience is a scarcity
- 4. 4 Smart Gateway Cloud • responsive • reduce bandwidth • reduce latency • keep data secure • local logic Gateway The robustness and intelligence of your IoT applications depends on how you develop the software controlling the things
- 5. 5 Air Ventilation Monitoring Example: Air Ventilation Monitoring This gateway application communicates with a PLC via Modbus and a backend system. At first glance it looks rather simple but concurrency issues soon become a challenge.
- 6. 6 Air Ventilation Monitoring Air Ventilation Monitoring Autonomous Operation • Network goes down? • Power failure • Some operations take a long time some short • Correct ordering of events
- 7. 7 Air Ventilation Monitoring Air Ventilation Monitoring life cycle services config changes messages network hardware signals hardware changes Applications with a high degree of concurrency is difficult to program right even for very experience programmers
- 8. Reactive Blocks 8 CoAP Resource ok getResponse init failed get post Config Listener initConfig start updatedConfig Kura CloudClient readypublish start stop waiting stopped failed msgArrived MQTT Core initOksubscribe init initFailed publishOk message error stopped disconnected unsubscribe publish stop RPi GPIO Digital In valuestop init initError initOk isLow isHigh stopped read initPS Config Listener initConfig start updatedConfig playing Modbus initOkexecutedReadIn init initFailed readDone writeDone readFailed stopped writeFailed deviceId executedWrite stop executeReadHold registerId 1 2 3Config Listener initConfig start updatedConfig Program IoT applications simpler faster and safer