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Artila’s IoT gateway connects industrial devices and proactively collects the real time data, buffers it and then push it to cloud or database server. The field data can also be exchanged between I/O device and PLC cyclically by using the IoT gateway via standard Modbus, MQTT and RESTful web API. In addition, if the I/O device is smart enough, it can also push the sensor data to cloud by MQTT. To avoid tedious low level programming in this kind of task, we use Node-RED, the open graphic programming IoT flow with nodes to reduce time of development. Download Technical Note for Node-RED.