Interfacing Siemens S7-300 cpu 313C with ABB's compact HMI scada


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The existing system has ABB's AC800M (PM856 - SINGLE CONFIGURATION) with Compact HMI scada (1 Engineering station, 1 operator station & OPC software are available).

The proposed system requirement is to interface the SIEMENS S7-300 CPU 313C to existing COMPACT HMI SCADA.

Here our doubts are;

1. How can this way of connectivity be achieved?

2. What are the additional accessories required?

3. Is operator station need to be extended?

4. Is any driver / firmware required?