Field buses
Support for MQTT
Service Pack 1 (SP1) for the 'Ixxat CANbridge NT' and the 'CAN@net NT' from HMS Industrial Networks includes numerous new functions and improvements.
This includes the intuitive, configurable execution of actions using event-triggered 'action rules' and the simple cloud connection thanks to the support of MQTT. With the CANbridge NT and the CAN@net NT, HMS enables the simple coupling of up to four CAN and/or CAN FD systems. Configurable via a Windows tool, filter, ID translation, data mapping and multiplex functions are available for data exchange. The CAN@net NT also offers further functions thanks to the additional Ethernet interface. Up to four CAN@net NT devices can be linked via Ethernet, allowing up to 16 CAN/CAN FD systems to be networked in a device network. In addition to the pure bridge functionality, CAN@net NT offers a PC interface and gateway operating mode for accessing CAN/CAN-FD via the PC or embedded systems. In response to received messages and device or CAN bus status, a wide range of actions can be executed automatically, such as sending messages (CAN, CAN-FD, MQTT), changing device settings or activating device LEDs. The 'Action Rules' are created via intuitive drop-down menus for events and actions in the Windows-based configuration tool of the devices.
The MQTT protocol implemented in CAN@net NT enables the transmission of information to the cloud, programmable via action rule lists. Using freely available broker services and APPs, status messages and system values can be transmitted in raw format or JSON format to smartphones or cloud services, for example.
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