![]() ![]() Each 'slave' is assigned a unique Modbus address to enable data and commands to be routed correctly over a network. It is structured as a Master/Slave model, meaning there is usually one 'master' that receives information from, and sends commands to, multiple 'slave' units. ![]() The modbus protocol can also be used to issue commands and to automate processes. It's typically used to remotely monitor and control devices when data is collected, such as in a SCADA application. ![]() It is now widely used for connecting many types of industrial electronic devices connected on different types of networks. It was developed in 1979 for use with Programmable Logic Controller (PLC) devices, to facilitate communication between machines, mostly in industrial applications. ![]() Modbus is an open protocol, meaning it does not belong to one company and can be used by any company.
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