MQTT Client
Message Queuing Telemetry Transport
- Automatic connection establishment and monitoring with automatic reconnect and resubscribe
- Publishing of message up to 64 kB
- Parallel subscription of different topics
- Can be used simultaneously by several software modules on the controller
- Application by the user software via PLC function block library or C/C++ header file
- In C/C++ event-driven processing of incoming messages possible
- In PLC detection of new messages via Boolean status indication
- Optional communication to the broker via Websockets for asynchronous transfer in both directions
- Simple commissioning without programming via variable interface
- Last Will and Testament
- Persistence: Data is stored over the reboot until it is acknowledged
