There are several types Profibus interface.Such as Profibus PLC interface, Profibus Interface module, Profibus Gateway interface.Profibus Interface for Modbus, CC-Link, ControlNet, Can-BusWe produce such profibus interface and profibus cable, profibus connector since the year 2004.80% profibus projects use our products in China.Please contact us for more information about profibus module.We produce these substitute S7-200,300,Profibus Products.>>>>Can be produced with your brand and model number.<<<<