Modbus TCP is world leader

In-Depth

A newly released study by ARC Advisory Group shows Modbus TCP as the World’s leading industrial Ethernet protocol.

A newly released study by

, the leading analyst firm covering automation and enterprise software, shows Modbus TCP as the World’s leading industrial Ethernet protocol, in terms of units shipped in 2004. Modbus TCP is the Ethernet variant of the ubiquitous Modbus protocol introduced in 1979. The protocol was recently accepted by the

(International Electrotechnical Commission) as a Publicly Available Specification.

This standing for Modbus TCP is particularly significant given the current and projected growth of Ethernet in industrial applications. According to ARC Advisory Group, “the worldwide market for Industrial Ethernet is expected to grow at a Compounded Annual Growth Rate (CAGR) of 51.4 percent over the next five years. The market totalled 840 thousand units in 2004 and is forecasted to total just over 6.7 million units in 2009.”

Ken Crater, president of Modbus-IDA, the suppliers’ and users’ association, cites the familiarity and ease of application of Modbus TCP, along with the protocol’s openness, as reasons for its current success in the marketplace.

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