Configurable industrial bus interface supporting protocol
A technology of industrial bus and bus interface, applied in the design of bus interface, based on the field of RS485 physical layer bus in industrial field, can solve the problems of high cost, inconvenient flexible configuration, single function, etc., to achieve low cost, convenient field application, safety Good results
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[0010] Below in conjunction with accompanying drawing, the present invention is further described:
[0011] see attached figure 1 , the main control module 1 is implemented based on CPU control and runs according to the user's configuration configuration file. If it is configured as the ProfiBus master interface, the main control module 1 will convert the logic program and operating parameters of the ProfiBus master data link layer (FDL layer). Configured to the data link layer module 2; if configured as the ProfiBus slave interface, the main control module 1 configures the logic program and operating parameters of the ProfiBus slave data link layer (FDL layer) to the data link layer module 2; if If it is configured as the ModeBus master interface, the main control module 1 configures the logic program and operating parameters of the ModeBus master data link layer to the data link layer module 2; if it is configured as the ModeBus slave interface, the main control module 1 con...
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