PROFINET (Process Field Net) is a standard for Industrial Ethernet based on Industrial Ethernet according to IEEE 802.xx.PROFINET is the world's most advanced Industrial Ethernet solution for the networking of production assets (sensors, actuators, sub-systems and production units)We resell Siemens profinet connectors and cables. and we also produce substitutes which price is cheaper and good quality.We produce these substitute S7-200,300,Profibus Products.>>>>Can be produced with your brand and model number.<<<<