2004•Jiangsu Machine Building & AutomationRequires access

Serial Communication Design Between PLC S7-200 and PC Based on Visual Basic

HU Guo-min, JS Nanjing

Abstract

It's very important to design the serial communication between PLC and PC in supervisory control and data acquisition(PLC-SCADA) system. This paper introduces the communication protocol and software design of serial communication between Siemens S7-200 PLC and PC based on Visual Basic. This system is economical and reliable, which has been applied successfully in real system.

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Available abstract

Key concepts: Serial communication, Siemens, SCADA, Visual Basic, Communications protocol, Embedded system, Computer science, Simatic S5 PLC