Lenze DDS System bus CAN for PLC Manual de usuario descargar pdf (Pagina 162)

11.5 L_CanDSxClose − deactivating the index mapping

System bus (CAN) for Lenze PLC devices

LenzeCanDSxDrv.lib function library

11−6

PLC−Systembus EN 2.0

11.5 L_CanDSxClose − deactivating the index mapping

Function

By means of this function the mapping table and therefore the diversion of indexes is deactivated

again.

· For the deactivation the transfer parameter bClose has to be set to TRUE.

· After carrying out this function, index accesses via the system bus interface according to the

mapping table are not diverted to other codes anymore.

Declaration

BOOL L_CanDSxClose (bClose);

Transfer parameters Data type Information/possible settings

bClose Bool Deactivating the index diversions according to the mapping table.

TRUE The CanDSx driver in the operating system is deactivated.

Return value Data type Value/meaning

Bool Status

TRUE The CanDSx driver in the operating system has been deactivated.

FALSE The CanDSx driver in the operating system has not been deactivated.

· Remedy: function call via transfer parameter bClose = TRUE.

Note!

If the function L_CanDSxCloseis called up while write or read requests for codes are still active, they

are possibly disturbed!

Therefore all actions with a code access should be completed before this function is called.

Example

Calling the function in ST:

IF bCloseCanDSxDriver AND NOT bClose THEN

bClose := TRUE;

dwReturnClose := L_CanDSxClose(bClose:=TRUE);

END_IF

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Lenze DDS System bus CAN for PLC Manual de usuario Pagina 162