AT commands from Simatic S7-1200 PLC

Hi everyone, I have Siemens S7-1200 1214C AC/DC/Rly CPU with CM 1241 Rs232 module and Enfora GSM 1208. Help me how to send sms using PLC.

Thanks.

http://www.testech-elect.com/enfora/enfora_doc.htm

http://www.plctalk.net/qanda/showthread.php?t=96850

Once you have the communication cable connected. Then it is then sending serial information out of the port. See the above documentation.

I hope this helps you out.
Regards,

Hello Garry,

Thanks for your reply, but how can I command my GSM modem to send an sms? Is it okay that I just send a buffer with string data type? Example AT+CMGF=1 ? or I need to transform AT+CMGF=1 to a code? Please help me out to my problem.