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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
SetTagCharStateWait example (Page 1523)
SetTagDoubleStateWait
Function
Defines the value of a tag of the data type "64-bit floating point value". The function is ended
after
the AS has acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagDoubleStateWait(Tag Tag_Name, double value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "double"
lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
SetTagFloatStateWait example (Page 1524)
SetTagDWordStateWait
Function
Sets the value of a tag of the data type "unsigned 32 Bit". The function is ended after the AS
has acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagDWordStateWait(Tag Tag_Name, DWORD value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "DWORD"
lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
Beispiel SetTagWordStateWait (Page 1529)
SetTagFloatStateWait
Function
Defines the value of a tag of the data type "32-bit floating point value". The function is ended
after
the AS has acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagFloatStateWait(Tag Tag_Name, float value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "float"
lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
SetTagFloatStateWait example (Page 1524)
SetTagMultiStateWait
Function
Sets the values of several tags. The function is ended after the AS has acknowledged
acceptance of the value.
The function must transfer a DWORD array whose members contain the individual tag states
after
the function is invoked. The size of the array must be selected so that sufficient memory
space is available for these statuses.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagMultiStateWait(DWORD* pdwState, const char* pFormat,...)
Parameters
pdwState
Field in which the tag statuses are stored.
pFormat
Format description for all requested tags and for each tag name and value.
FormatdescriberEXAMPLES_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
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
Tag statuses (Page 1543)
SetTagMultiStateWait example (Page 1524)
SetTagRawStateWait
Function
Sets the value of a tag of the data type "Raw data type". The function is ended after the AS
has acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagRawStateWait(Tag Tag_Name, BYTE pValue, DWORD size, PDWORD
lp_dwstate);
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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lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
SetTagRawStateWait example (Page 1527)
SetTagSByteStateWait
Function
Sets the value of a tag of the data type "signed 8 bit". The function is ended after the AS has
acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagSByteStateWait(Tag Tag_Name, signed char value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
The value of the tag in the data type "signed char"
ANSI-C function descriptions
3.3 Internal functions
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lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
Beispiel SetTagSByteStateWait (Page 1528)
SetTagSDWordStateWait
Function
Sets the value of a tag of the data type "signed 32 bit". The function is ended after the AS has
acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagSDWordStateWait(Tag Tag_Name, long value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "long"
ANSI-C function descriptions
3.3 Internal functions
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lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
Beispiel SetTagSByteStateWait (Page 1528)
SetTagSWordStateWait
Function
Sets the value of a tag of the data type "signed 16 bit". The function is ended after the AS has
acknowledged acceptance of the value. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagSWordStateWait(Tag Tag_Name, short value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "short"
ANSI-C function descriptions
3.3 Internal functions
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lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
Beispiel SetTagSByteStateWait (Page 1528)
SetTagWordStateWait
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. The status of the tag is also returned.
Principle of the SetTag
functionsEXAMPLE_INTERNAL_FUNCTIONS_TAG_STATEWAIT_23_130
Syntax
BOOL SetTagWordStateWait(Tag Tag_Name, WORD value, PDWORD lp_dwstate);
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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lp_dwstate
Pointer to a DWORD in which the status of the tag is stored after the function has been
completed.
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. To do this, the
tag status must be evaluated.
FALSE
An error has occurred.
See also
Tag statuses (Page 1543)
Beispiel SetTagWordStateWait (Page 1529)
SetTagBitState
Function
Sets the value of a tag of data type "Binary tag". The status of the tag is also returned.
Syntax
BOOL SetTagBitState(Tag Tag_Name, short int value, PDWORD lp_dwstate);
Parameters
Tag_Name
name of the tag
value
Value of the tag in the data type "short int"
ANSI-C function descriptions
3.3 Internal functions
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