Sensaphone has a couple of units that do this. The 2000 and 3000. The 2000 is monitoring only. The 3000 is control also. The 2000 is reasonably priced and they claim it will E-mail. I have their config software and a copy of the manual somewhere on or near my desk. They have a web page.
The only 'C' programmable PLC I've heard of is the New AB<br>
Rolls Royce. Fifteen years ago we built our own 'PLCs' and programmed them with 'C'. I've also used Grayhill's Brainboard with the 68HC11 CPU running Avocet 'C' on it. There are many SBC's with X86/pentiums which will run 'C' I've...