... login into GSM/GPRS network *Data logging *Optional Ethernet Interface X-Messenger SMS Relay-- --Your ideal of Solution for : ... Remote Control,Monitoring & Alarming!x-Messenger- Expandable GSM/GPRS PLC incorporates a wide range of ... on/ off-delays, pulse relay ,counters ,Watchdog function ,PI controller etc..Ø Logic functions-AND, OR, NOT, XOR……Ø Standard configure soft ...