... ideal of Solution for : Remote Control,Monitoring & Alarming!x-Messenger- Expandable GSM/GPRS PLC incorporates a wide range of ... / off-delays, pulse relay ,counters ,Watchdog function ,PI controller etc..Ø Logic functions-AND, OR, NOT, XOR……Ø Standard configure ... 1 Audio output interface optionalØ Camera Interface optional x-Messenger,latest & innvoative programmable logic controller,GPRS/SMS/GSM PLC