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PROFINET (Process Field Net) is a standard for Industrial Ethernet based on Industrial Ethernet according to IEEE 802.xx.〔http://w3app.siemens.com/mcms/infocenter/dokumentencenter/sc/ic/Documentsu20Brochures/E20001-A24-M116-X-7600.pdf〕 == Technology == Three protocol levels are defined: * TCP/IP for PROFINET CBA and the commissioning of a plant〔 with reaction times in the range of 100 ms * RT (real-time) protocol for PROFINET CBA and PROFINET IO applications〔 up to 10 ms cycle times * IRT (Isochronous Real-Time) for PROFINET IO applications in drive systems〔 with cycles times of less than 1 ms The protocols can be recorded and displayed using an Ethernet analysis tool such as Wireshark.〔 The topology can be shown using analysis tools such as TH Scope. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PROFINET」の詳細全文を読む スポンサード リンク
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