Schneider Automation Gmbh

Ronald Gross

A communication protocol comprising a data packet, a control byte, and a check sum byte. The data packet having a plurality of data words wherein each data word comprises a first byte and a second byte. The control byte having a first address bit, a second address bit, and a third address bit for identifying an address of a slave controller, a type bit following the first address bit, the second address bit, and the third address bit for identifying a data type within said data packet, a direction bit following the type bit for identifying a source of the data frame, a content bit following the direction bit for identifying whether said data packet comprises data, a state bit following the content bit for identifying a state of a master controller, and a run/stop bit following the state bit for identifying a run/stop state of the master controller. The protocol comprises a check sum byte to ensure correct transmission of the data packet and control byte.

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North Hampton, NH, United States of America

Ronald Gross