Protocol conversion module and intelligent circuit breaker of Devicenet and Modbus
A technology of intelligent circuit breaker and protocol conversion, applied in simulators, instruments, computer control and other directions, to achieve the effect of expanding the scope of application, stable and reliable performance, reducing hardware costs and development difficulties
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Embodiment 1
[0027] (Embodiment 1, protocol conversion module)
[0028] Figure 1 to Figure 2 A specific implementation of the protocol conversion module in the present invention is shown, wherein figure 1 It is a block diagram of a circuit structure of the protocol conversion module in the present invention, figure 2 Yes figure 1 The main program flow chart of the protocol conversion module shown. The present embodiment is a protocol conversion module of Devicenet and Modbus, comprising CAN bus transceivers, optocouplers, CAN controllers, single-chip microcomputers, Modbus bus transceivers connected in sequence, and address and baud rate setting dials connected with the single-chip microcomputers switch and network status lights.
[0029] The function of this embodiment is exactly the order that the command message of DeviceNet format is converted into Modbus message, then pass to the Modbus equipment of bottom layer; After receiving Modbus order, equipment responds to the response m...
Embodiment 2
[0032] (Embodiment 2, protocol conversion module)
[0033] This embodiment is basically the same as Embodiment 1, except that the indicated indicating unit also includes a liquid crystal display and a debugging button.
Embodiment 3
[0034] (Embodiment 3, intelligent circuit breaker)
[0035] Figure 3 to Figure 5 A specific embodiment of the intelligent circuit breaker in the present invention is shown, wherein image 3 It is a schematic diagram of the three-dimensional structure of the first structure of the intelligent circuit breaker in the present invention, Figure 4 Yes image 3 A schematic diagram of a three-dimensional structure of the protocol conversion module in the smart circuit breaker shown; Figure 5 Yes Figure 4 A schematic diagram of the three-dimensional structure of the protocol conversion module shown when viewed from another angle.
[0036] This embodiment is an intelligent molded case circuit breaker made by the above embodiment 2, see Figure 3 to Figure 5 , including a molded case circuit breaker body 1, a remote action actuator (located inside the upper cover, not shown in the figure) and the protocol conversion module 2 described in Embodiment 1; the molded case circuit bre...
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