There are several types Profibus modules.Such as Profibus PLC module, Profibus Interface module, Profibus Gateway module.We produce such profibus modules 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.<<<<