AdsSyncReadReq

Reads data synchronously from an ADS server.

LONG AdsSyncReadReq(
  PAmsAddr  pAddr,
  ULONG     nIndexGroup,
  ULONG     nIndexOffset,
  ULONG     nLength,
  PVOID     pData
);

Parameter

pAddr

[in] Structure with NetId and port number of the ADS server.

nIndexGroup

[in] Index Group.

nIndexOffset

[in] Index Offset.

nLength

[in] Length of the data in bytes.

pData

[out] Pointer to a data buffer that will receive the data.

Return value

Returns the function's error state.

Sample

See Sample 3: Read synchronously from the PLC.

See also