14.                 Realtime Data Exchange(Not supported by WinCE)

There are multiple ways to exchange data with Advantech WebAccess/SCADA in real-time:

·         Data Transfer will read data from one PLC or Controller and write it to another. This allows data exchange between PLCs and Controllers using different communications protocols.

·         DDE will exchange data with most Microsoft Office applications (EXCEL, WORD, ACCESS) and many 3^rd Party software packages.  Advantech WebAccess/SCADA can be both a DDE Server and a DDE Client. These applications can read and write data to the Advantech WebAccess/SCADA SCADA nodes.

·         OPC will exchange data with 3^rd Party Software / OPC Servers. Advantech WebAccess/SCADA is an OPC Client. Many Process Control and Building Automation vendors provide an OPC Server interface to their automation systems.

·         User Programs & API interface allows Visual C and Visual Basic programs to read and write data to Advantech WebAccess/SCADA SCADA node.