Abstract:
This paper is concerned with designing an electronic circuit which controls and reads the PLC using transceiver SMS with GSM mobile wave. This circuit contains the RX, TX serial data to convert this wave of input microcontroller which is programmed to receive the data of controlling PLC to mobile phone and send the SMS to the input of driver. This driver consists from transistor array circuit to operate the relays that are connected with the device; the messages are written in a code that is received by the microcontroller for each address of the device. The programmed microcontroller can read the messages which are stored in the Inbox of the SIM Card after reading it. The program then clears the Inbox contents to keep the inbox empty and ready to receive the next message. This system is used in a wider range where the PLC has to control the pump stations and many embedded control applications by using the GSM technology.
