Lenze 3241C - Manual (Page 8)

3 API functions
6

3.2 Basic functions
The basic functions serve to the connection establishment or connection termination:
3.2.1 Function: BpbOpen
Register to the hardware 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)