Multiprotocol oil machine communication concentrator and communication method
A technology of a protocol oil engine and a communication method, applied in the directions of instruments, simulators, computer control, etc., can solve the lack of specifications for the definition and scope of information management of gas stations, the incompatibility of new and old equipment with diversified protocols, and the difficulty of basic data collection. and other problems, to achieve the effect of good application value, good backward compatibility, and high anti-interference ability
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[0029] Multi-protocol fusion engine communication hub, such as Figure 1-9 As shown, it includes a bus control device 100, a same-direction bus driver 200, a reverse bus driver 300, an optocoupler isolation device 400, and a communication interface device 500; wherein, the same-direction bus driver 200 is the first same-direction bus driver 201 or the second same-direction bus driver 202, the bus control device 100 is respectively connected with the same-direction bus driver 200 and the reverse bus driver 300, between the same-direction bus driver 200 and the reverse bus driver 300 and the communication interface device 500 The optocoupler isolation devices 400 are respectively connected between them. Optionally, the co-directional bus driving device 200 adopts a chip modeled as SN74LVTH245A, wherein, figure 2 shows the circuit connection diagram of the first co-directional bus driving device 201, image 3 A schematic diagram of the circuit connection of the second co-direc...
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