Elsag International N.v.

Tina Hong

Thomas H Burchard

YoungMihn Kim

A coding system for various I/O module elements of an I/O cabinet assembly is disclosed which is able to identify analog, digital and control I/O modules by appropriate functional representation combined with a distinct color code found on the front of each module and to identify appropriate internal field wiring connections in the identified module by the module identifying color. Each module has a written identification such as A&mdash;for analog, D&mdash;for digital and C&mdash;for control, I&mdash;for input, O&mdash;for output combined with an appropriate color bar identifying the type of module. Thus process and terminal blocks forming and I/O unit are easily matched for assembly and are easily inserted into an I/O cabinet in the proper location.

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Medford, MA, United States of America

Tina Hong