摘要:This paper presents pump control with PLC Siemens Simatic S7 - 1200, for transporting flour designed to be implemented in the Pfalzmühle Mannheim. The order was designed to replace the old system made in various traditional contacts and relays. Programming PLC Simatic S7 - 1200, which is a powerful and reliable, a new generation, was conducted in FBD. In order to verify the accuracy and to optimize the operation of the control system was built a functional model.