thumb|Profibus electrical connector

Profibus (usually styled as PROFIBUS, as a portmanteau for <u>Pro</u>cess <u>Fi</u>eld <u>Bus</u>) is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens.

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  • PROFIBUS & PROFINET International