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3 API functions

6 

3.2 Basic functions

The basic functions serve to the connection establishment or connection termination:

3.2.1 Function: BpbOpen

of the controller. The return value is a handle for

identification. This handle must be transferred as the first parameter for all further

functions.

Parameters

[in] LPTSTR szAppName Name of the application to be registered

[out] PHANDLE hOpen Pointer to open context (handle) for identification

Return values

S_OK Successful

E_LOADED Incomplete (driver not loaded)

3.2.2 Function: BpbClose

Disconnection of the backplane bus

connection to the 3241 controller.

Parameter

[in] HANDLE hOpen Pointer to open context (handle) for identification

Return values

S_OK Successful

E_HANDLE Error during connection termination (handle is invalid)

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Lenze 3241C Bedienungsanleitung Seite 8