I want to know that any PLC based SCADA syatem using GSM/GPRS, in the field of substation automation, is running some where?
Yup, Why?
we have such a system with Siemens S7-200 PLC and GPRS communication
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Fortune
A very intelligent turtle
Found programming UNIX a hurdle
The system, you see,
Ran as slow as did he,
And that's not saying much for the turtle.

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