Abstract:

This article introduces a PC monitor vending machine system with Siemens S7-200 programmable controller as the PLC and software configuration king 6.53 (King View) as the upper machine to achieve control.Practice has proved that the PLC and configuration king 6.53 software combinations can facilitate the realization of the design and testing of the automated monitoring system.The system operates normally with practical applications.

Key words: PLC;configuration software 6.53;vending machines;I/O distribution