It is expected that user written programs will connect a minimal number of times for staying connected and using that connection for all read and write calls. Your program does not need to manage and monitor connections as it is done by the API.Ĭonnections are subjected to Historian security, which is based on Microsoft Windows Security. The API will complete the connection and do further necessary reconnects when the Data Archiver is restarted. To perform a connection you need to just use the connect functions. Please limit your programs to the documented functions or contact the Technical Support team at GE Intelligent Platforms for additional clarifications. Not every function and structure in the ihapi.h is documented or available for use in user written pro- grams. The System API functions are grouped as follows: Use this information together with the sample programs provided to develop your own applications. This section provides detailed information about each available System API function.
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