PROFIBUS (Process Field Bus) is a standard for fieldbus communication in automation  and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens.Siemens produce many profibus connector and cables, but too expensive.In order to reduce the cost of profibus network, our company produce many profibus connectors and cables too, which can directly replace Siemens profibus connector and cable, please contact for more info.Profibus Connector6ES7972-0BA12-0XA090 Degree6ES7972-0BB12-0XA090 Degree,PG6ES7972-0BA41-0XA035 Degree6ES7972-0BB41-0XA035 Degree,PG6ES7972-0BA42-0XA035 Degree6ES7972-0BB42-0XA035 Degree,PG6ES7972-0BA50-0XA090 Degree,Fast6ES7972-0BB50-0XA090 Degree,Fast6ES7972-0BA52-0XA090 Degree,Fast6ES7972-0BB52-0XA090 Degree,Fast6GK1500-0FC00180 Degree,Fast6GK1500-0FC10180 Degree,Fast6GK1500-0EA02180 Degree,MetalKW-DP90Diagnostic 90'KW-DP91Isolationed 90'Profibus Cable6XV1830-0EH102 wire6XV1830-3EH10TRAILINGWe produce these substitute S7-200,300,Profibus Products.>>>>Can be produced with your brand and model number.<<<<