Siemens SIMATIC S7 - A_Field_Write

SIEMENS AG PRODAVE S7
Toolbox for Data Link PGs/PCs to SIMATIC S7
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a_field_write
The function a_field_write writes "amount" of bytes from the specified storage
area into the PLC starting from output byte "no".
If there were no errors, the function supplies 0 as the return value, otherwise an
error message which can be evaluated in accordance with the error table (see
error_message).
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See also m_field_write
C-Adapter
int a_field_write (int no,int amount,void* buffer);