Field-bus data sharing method and device
A technology of data sharing and field bus, which is applied in the direction of bus network, data exchange network, data exchange through path configuration, etc. It can solve the problem that data cannot be shared safely and reliably, and achieve the effect of reliable sharing
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Embodiment 1
[0064] Such as figure 1 As shown, it is a schematic flowchart of a fieldbus data sharing method provided by an embodiment of the present invention, and the execution subject of the fieldbus data sharing method may be figure 2Shown fieldbus data sharer, described fieldbus data sharer can comprise: RS485-TTL conversion circuit, Ethernet-TTL conversion circuit and single-chip microcomputer, this fieldbus data sharer one end accesses Modbus bus through RS485 interface, another One end is connected to the Internet through the RJ45 interface.
[0065] The fieldbus data sharing method may include:
[0066] In step S101, the operation data of the specified Modbus device is acquired through the data collector.
[0067] The data collector reads the operation data of the specified Modbus device through the Modbus protocol, and the operation data is first preprocessed by the RS485-TTL conversion circuit, and then further processed by the single-chip microcomputer. In Modbus equipment,...
Embodiment 2
[0118] Such as Figure 7 As shown, it is a schematic block diagram of a fieldbus data sharing device provided by an embodiment of the present invention, and the fieldbus data sharing device may include:
[0119] Operation data acquisition module 701, for obtaining the operation data of designated Modbus equipment by data collector;
[0120] Key acquisition module 702, configured to acquire the random key provided by the remote server;
[0121] An encryption module 703, configured to encrypt the running data according to the random key to obtain encrypted data;
[0122] A character conversion module 704, configured to perform character conversion on the encrypted data to obtain character data;
[0123] A message encapsulation module 705, configured to encapsulate the character data into an HTTP message;
[0124] A sharing module 706, configured to share the HTTP message with the remote server via the Internet.
[0125] Preferably, the key acquisition module 702 may include:...
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