Industrial data acquisition method and system

The invention relates to the technical field of data acquisition, in particular to an industrial data acquisition method and system, and the system comprises a Connector component, a Converter, an HZTODC-Client protocol, data storage and gateway service. According to the invention, the problems that the existing acquisition scheme is mainly based on a synchronous acquisition mode, the communication efficiency is low and more resources are occupied are solved. According to the method, the single Tag can be directly read, variables are spliced into a large packet which does not exceed a PDU packet as much as possible according to the variable structure mode of the collected equipment, and a mode of reading multiple data at one time is carried out, so that the number of connection establishment times is reduced as much as possible, and the reading efficiency is improved. Due to the fact that partial protocols support a subscription type reading mode, change values can be obtained more efficiently. According to t