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The TwinCAT Function TC3 IoT Data Agent provides bi-directional connectivity to different cloud services. It is a gateway application that can be installed either on the controller or on a gateway computer. The TC3 IoT Data Agent can be configured to connect different data sources with each other, e.g. a TwinCAT 3 PLC (ADS) and a MQTT Message Broker. In addition, public cloud services can be used, for example AWS IoT and Microsoft Azure IoT Hub.
TC3 IoT Data Agent includes an integrated OPC UA client, which allows to connect third-party devices to the cloud. Legacy applications running TwinCAT 2 can be connected by running TC3 IoT Data Agent on a gateway computer and by using ADS or OPC UA connectivity to the TwinCAT 2 system.