Tutorial: First steps with TF6105 TwinCAT 3 OPC UA Pub/Sub and an MQTT Subscriber

TwinCAT 3 Connectivity Functions

The basic components can be extended by TwinCAT 3 functions. The functions are classified into various categories. e.g. motion control, measurement technology, control technology and communication.

TwinCAT 3 OPC UA Pub/Sub extends the OPC UA client/server architecture to include publisher/subscriber communication patterns. The TF6105 TwinCAT 3 OPC UA Pub/Sub provides the necessary implementations of the protocol so that these kinds of communication patterns can be readily integrated into the TwinCAT application. It includes various transport protocols as defined in the corresponding OPC UA specification part (OPC10000-14), e.g. UDP and MQTT.

TwinCAT offers many features and various software function blocks for all automation tasks.