The modus getter and write nodes all require that you configure a server to connect to. The nodes that we are mainly interested in are the read and write nodes. There are 11 nodes in the package and they are grouped together in the Modbus section. Go the the menu and select manage Pallete and search for the node-red-contrib-modbus package. There are a collection of modbus nodes available for node-red which you will need to install. Reading Data from a Modbus server in Node-red.Modbus is a de facto standard, truly open and the most widely used network protocol in the industrial manufacturing environment.-ref Modbus Faqsīecause of its popularity there is a growing requirement for reading data and controlling Modbus devices over TCP/IP networks using node-red.
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