Connectivity

Guides for connecting controllers to external systems — cloud IoT services, OPC UA, MQTT, and other protocols.

• Trigger Node-RED flows on B&R PLC variable changes (OPC UA)

Subscribe Node-RED to B&R PLC variables over OPC UA, act when a value changes, and write a command back to the PLC.

• Set up X.509 certificates on a B&R PLC (OPC UA)

Create managed certificate stores on an AS 6 / AR 6 PLC, make its OPC UA server accept only trusted clients, and log in with X.509 user certificates.