Siemens SIMATIC S7 - 4 Description of Prodave Functions

SIEMENS AG PRODAVE S7
Toolbox for Data Link PGs/PCs to SIMATIC S7
16
4. Description of PRODAVE Functions
How to read the descriptions of the functions:
- The explanantion of the functions is in "normal" type.
- This is usually followed by a note on functions where their handling is similar,
or which are to be read in conjunction with the described function, in "bold"
type and marked by ☞
☞☞
☞.
- This is followed by the syntax for C functions in the "courier bold
italics " font.
- In the event of programming examples for the described adaptor function,
these would again be printed in "courier bold italics" (C).
All functions in the 32-Bit-DLL W95_S7.DLL and W95_S7M.DLL have the suffix
WINAPI. It is important to note this when using the functions as is it is not
explicitly mentioned in the function description.
Functions included in the software package PRODAVE S7 mini have the suffix
mini in the headline.
32-Bit-DLL for Windows 95/98/NT/ME/2000
int WINAPI a_field_read
(int nr, int amount, void* buffer);