VIPA CP 1413plus, Manual, Page: 277 / 328

CP1413plus manual H1 Driver V3.xx for Windows NT
Rev. 00/07 7-71
7.6.3.3.2 Write Active
Write to PLC
#include <S5ACCESS.H>
USHORT WENTRY_C S5SchreibeInSPS(S5_PARAMS W_POINTER s5)
The function
S5SchreibeInSPS
is used when data must be written into the PLC and when the
function should not be interrupted.
Parameters
s5
pointer to a structure of the type
S5_PARAMS
. The values
Kennung, DB, DW
and
Len
of the
s5
structure must contain valid
entries.
s5
must contain a valid connection number which was
returned by the function
S5StarteVerbindung
. You must
allocate the required amount of memory after the
s5
structure:
s5=malloc(sizeof(S5_SENDLEN);
Write data can be supplied as follows:
memcpy((UCHAR*)s5+sizeof(S5_PARAMS),
&PCData,SENDLEN);
The function will either return a 0 or an H1 error.
Tab. 7-9 contains an overview of the H1 errors and their description.
Any S5 errors returned by the other station are located in
Fehler
.
Chapter 7.6.3.4 contains an overview of the PLC error codes. A 0 in
Fehler
indicates that the data transfer was completed properly.
Returns
0
H1_BAD_LINE
H1_NO_DRIVER
H1_NO_ADAPTER
Note
The function returns control only when the data is complete or when an error is
detected. This may require some time depending on the connection parameters as
well as the responses from the other station. This function can not be interrupted.
See also
S5StarteVerbindung S5StarteVerbindungAdapter
S5StartSchreiben S5AbfrageSchreiben
S5StoppeVerbindung