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- 2016-04-17
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- 姚保岐
Description: Modbus protocol is a universal language applied on electronic controller. Through this agreement, between the controller, the controller can communicate via the network (such as Ethernet) and other devices. It has become a common industry standard. With it, different manufacturers of industrial control devices can be connected into a network, centralized monitoring. This protocol defines a message structure that controllers use to recognize, regardless of what network they are communicating. It describes the process a controller requests access to other equipment, if the response to the request other devices, as well as how errors are detected and recorded. It developed a message domain structure and content of a common format. When the communication on a Modbus network, the protocol determines how each controller will know its device address, recognize a message addressed to it, decide what action to produce. If you need to respond, the controller will generate and send feedback info
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