Editing Profibus (section)

{{Short description|Communications protocol}}
{{Infobox fieldbus protocol
| Name              = Profibus
| image             = PROFIBUS rgb 2010.png
| image_size        = 121px
| Type_of_Network   = Device bus, [[industrial process control]]
| Physical_Media    = [[Twisted pair]], fiber
| Network_Topology  = Bus
| Device_Addressing = [[DIP switch]] or hardware/software
| Governing_Body    = PROFIBUS&PROFINET International (PI)
| URL               = {{URL|https://www.profibus.com/}}
}}
[[File:0x-pb-stecker-verschieden.jpg|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]].<ref name="weigmann" /> It should not be confused with the [[Profinet]] standard for [[Industrial Ethernet]]. Profibus is openly published as type 3 of IEC 61158/61784-1.<ref name="iec61784-1" />