Joke Collection Website - Blessing messages - Characteristics of SMS alarm
Characteristics of SMS alarm
1. You can query the contents of the internal register of PLC by SMS to realize SMS query.
2. The internal register value of PLC can be modified by SMS to realize SMS control.
3. The alarm information of 3.PLC can be sent to multiple mobile phone numbers to realize SMS alarm.
4. Real remote monitoring mode of "wireless at both ends (device end and user end)".
5. There are no other conditions, as long as you insert a GSM SIM card, you can control PLC.
6. Make use of the characteristics of "always online" and "delivery confirmation" of SMS to ensure that the status information of PLC is not lost.
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