Lenze DDS Global Drive PLC Developer Studio Manual de usuario descargar pdf (Pagina 13)

Function library LenzeAifParMapDrv.lib

Functions

3.2 L_AifParMapOpen − activation of code mapping

3−3

LenzeAifParMapDrv.lib EN 1.1

3.2 L_AifParMapOpen − activation of code mapping

DWORD L_AifParMapOpen (bOpen)

This function is used to activate the mapping table and the redirection of codes.

· The transfer parameter bOpen must be set to TRUE.

· After this function has been executed, the codes accessed will be redirected via the AIF

interface to the corresponding codes listed in the mapping table.

Transfer parameters

Identifiers Data type Possible settings Info

bOpen Bool TRUE Activation of code redirections according to the mapping table.

· The AifParMap driver in the operating system is initialised.

Return value

Data type Bit Value Meaning

Double word 0

0 Driver is initialised.

1 Driver is not initialised.

· Remedy: Calling the function with transfer parameter bOpen = TRUE.

1−15 Reserved for future extensions (bits are set to 0).

· Invalid with bit 0 = 1

16−31 Version of the function library LenzeAifParMapDrv.lib

· Format: Main version/subversion (e. g. 0103hex = version 1.03)

· Invalid with bit 0 = 1

Note!

If the function L_AifParMapOpen is called while read or write requests for codes are active an error

may occur!

This is why all actions with code access should be completed before this function is called.

Example

Calling the function in ST:

IF bOpenParMapDriver AND NOT bOpen THEN

bOpen := TRUE;

dwReturnOpen := L_AifParMapOpen(bOpen:= TRUE);

END_IF

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Lenze DDS Global Drive PLC Developer Studio Manual de usuario Pagina 13