Communication networks and systems for power utility automation - Guideline to exchanging information from a CDC-based data model using IEC 60870-5-101 or IEC 60870-5-104DD IEC TS 61850 80 1: 2009 Communication networks and systems for power utility automation. Guideline to exchanging information from a CDC based data model using IEC 60870 5 101 or IEC 60870 5 104 DD IEC TS 61850 80 1 is a technical specification which gives guidelines on how to exchange information from a CDC based data model (for example IEC 61850) using IEC 60870 5 101 or IEC 60870 5 104 between substation(s) and control center(s). It also gives

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