System Manual: Siemens SIMATIC HMI (WinCCv7.0: Scripting VBS, ANSI-C, VBA)
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Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagSByte example (Page 1527)
Principle of the SetTag functions (Page 1417)
SetTagValueWait
Function
Enables the transfer of a value in the form of a variant and sets the pointer to the value of the
data type "Variant". The function is ended after the AS has acknowledged acceptance of the
value.
Syntax
BOOL SetTagValueWait(LPDM_VARKEY lpdmVarKey, LPVARIANT lpdmValue, PDWORD
dwState, LPCMN_ERROR lpdmError);
Parameters
lpdmVarKey
Pointer to a structure of the data type "DM_VARKEY"
lpdmValue
Pointer to the value of data type "Variant". A description of the data type VARIANT can be
found in the associated documentation.
dwState
Tag status which is returned after the function has been run.
ANSI-C function descriptions
3.3 Internal functions
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lpdmError
Pointer to the structure which contains the error description
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
Structure definition CMN_ERROR (Page 1546)
Tag statuses (Page 1543)
Structure definition DM_VAR_UPDATE_STRUCT (Page 1548)
Structure definition DM_VARKEY (Page 1550)
Principle of the SetTag functions (Page 1417)
SetTagWordWait
Function
Sets the value of a tag of the data type "unsigned 16 Bit". The function is ended after the AS
has acknowledged acceptance of the value.
Syntax
BOOL SetTagWordWait(Tag Tag_Name, WORD value);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "WORD"
ANSI-C function descriptions
3.3 Internal functions
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Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagWord example (Page 1528)
Principle of the SetTag functions (Page 1417)
SetTagBit
Function
Sets the value of a tag of data type "Binary tag".
Syntax
BOOL SetTagBit(Tag Tag_Name, short int value);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "short int"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
ANSI-C function descriptions
3.3 Internal functions
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FALSE
An error has occurred.
See also
Principle of the SetTag functions (Page 1417)
SetTagBit example (Page 1522)
SetTagByte
Function
Sets the value of a tag of the data type "unsigned 8 Bit".
Syntax
BOOL SetTagByte(Tag Tag_Name, BYTE value);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "BYTE"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagWord example (Page 1528)
Principle of the SetTag functions (Page 1417)
ANSI-C function descriptions
3.3 Internal functions
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SetTagChar
Function
Sets the value of a tag of the data type " 8-bit text tag" or "16-bit text tag".
Parameter
Tag_Name
Name of the tag
Value
Value of the tag in the data type "LPSTR"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagChar example (Page 1523)
Principle of the SetTag functions (Page 1417)
SetTagDouble
Function
Defines the value of a tag of the data type "64-bit floating point value".
Syntax
BOOL SetTagDouble(Tag Tag_Name, double value);
ANSI-C function descriptions
3.3 Internal functions
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Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "double"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagFloat example (Page 1524)
Principle of the SetTag functions (Page 1417)
SetTagDWord
Function
Sets the value of a tag of the data type "unsigned 32 Bit".
Syntax
BOOL SetTagDWord(Tag Tag_Name, DWORD value);
Parameters
Tag_Name
name of the tag
ANSI-C function descriptions
3.3 Internal functions
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value
Value of the tag in the data type "DWORD"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagWord example (Page 1528)
Principle of the SetTag functions (Page 1417)
SetTagFloat
Function
Defines the value of a tag of the data type "32-bit floating point value".
Syntax
BOOL SetTagFloat(Tag Tag_Name, float value);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "float"
ANSI-C function descriptions
3.3 Internal functions
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Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagFloat example (Page 1524)
Principle of the SetTag functions (Page 1417)
SetTagRaw
Function
Sets the value of a tag of the data type "Raw data type".
Syntax
BOOL SetTagRaw(Tag Tag_Name, BYTE* pValue, DWORD size);
Parameters
Tag_Name
name of the tag
pValue
The pointer to a byte field which contains the value of the raw data tag
size
Size of the byte field in bytes
ANSI-C function descriptions
3.3 Internal functions
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Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagRaw example (Page 1526)
Principle of the SetTag functions (Page 1417)
SetTagSByte
Function
Sets the value of a tag of the data type "signed 8 bit".
Syntax
BOOL SetTagSByte(Tag Tag_Name, signed char value);
Parameters
Tag_Name
name of the tag
value
The value of the tag in the data type "signed char"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
ANSI-C function descriptions
3.3 Internal functions
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FALSE
An error has occurred.
See also
SetTagSByte example (Page 1527)
Principle of the SetTag functions (Page 1417)
SetTagSDWord
Function
Sets the value of a tag of the data type "signed 32 bit".
Syntax
BOOL SetTagSDWord(Tag Tag_Name, long value);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "long"
Return value
TRUE
The function itself has been completed without any errors.
However, no test is made as to whether the tag could be written without errors.
FALSE
An error has occurred.
See also
SetTagSByte example (Page 1527)
Principle of the SetTag functions (Page 1417)
ANSI-C function descriptions
3.3 Internal functions
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