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22 Service ReadDataByIdentifier , allowing the client to request dataRecord (data record value) from the identified server through one or more dataldentifiers.
https://blog.csdn.net/qq_41908302/article/details/127875678
The 2E service, WriteDataByIdentifier , allows the client to write information to the server at the internal location specified by the provided dataidentifier data identifier.
https://blog.csdn.net/qq_41908302/article/details/127938279
提示：在DCM DSP模块配置22及2E服务时，对于不同的DID需要在工具中配置DcmDspDataUsePort，即通过不同的接口来获取数据