In this article we will use Wago’s 750-333 Profibus Coupler and connect it to Siemens’ S7-315DP to create a Profibus DP network. Let’s Start! 750−333 This is Layout of a 750-333. D-Sub Connector  This is the Pin for Wago’s D-SUB Connector.   LED The LEDs on the 750-333 allow you to check the current module status. Field bus Status LED Color Description RUN GREEN Communication between PROFIBUS Master and Coupler … Continue reading Wago#Let’s Use 750-333 to Build a Profibus DP Network