Sending SMS Through your GSM Modem and SCADA

If you are an Automation Engineer and working on some SCADA application to send SMS through a GSM Modem then this article can help you a lot. You can Easily send SMS through your GSM Modem through SCADA by using simple AT commands i.e "Attention Commands" to instruct GSM Modem to send an SMS to Predefined Mobile number or you can even also make some points to send SMS to a Number you want to send by typing the Mobile number in SCADA.Subscribe to Automation-Talk by Email.

Some of the basic points you need to keep in mind that, your SCADA should support the opening of the serial port, Setup of COMM port etc. Then You can write a Simple SCRIPT in your SCADA which will send SMS.

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Follow the Below steps to Sends SMS through GSM Modem through any SCADA.


1. Setup your COM Port.

2. Open the COM Port and Send AT+CMGF=1 to COM Port.

3. Send AT+CMGS="Phone No." to serial COM Port which will instruct GSM Modem to Send SMS.

4. Close the COM port.

These above steps you can define in your SCADA application. You can also make some condition to execute these scripts. Subscribe to Automation-Talk by Email for more such tutorials.