Multiplex communication server in Ethernet and control method
A communication server and Ethernet technology, which is applied in the field of Ethernet multi-channel communication servers, can solve problems such as inability to perform intelligent control, and achieve the effects of high intelligence, strong anti-interference, and large information carrying capacity
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[0040] FIG. 1 is a functional block diagram of an Ethernet multi-channel communication server in a preferred embodiment of the present invention. It includes CPU1, Ethernet interface module 2, program memory 3 composed of large-capacity FLASH modules, important data memory 4 also composed of large-capacity FLASH modules, photoelectric isolation module 5, RS-485 interface module 6, power supply module 7, And common data memory 8. The hardware watchdog 9 is also used to ensure that the server can run safely and reliably for a long time.
[0041] Among them, except the RS-485 interface module 6 and the power supply module 7, other modules are directly controlled by the CPU. The CPU is connected with the RS-485 interface module through the photoelectric isolation module, so as to realize the communication with the external 485 equipment, including the transmission of control commands and data, and realize the intelligent management of the 485 equipment. During specific implement...
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