NOVUS AirGate-GPRS - Manual (Page 6)

AirGate-GPRS
NOVUS AUTOMATION 6/29
3. Remote monitoring with double local monitoring
In this application, the AirGate-GPRS is inserted into a Modbus network that needs local supervision of two Modbus
masters: normally a Supervisory software (SCADA) and an IHM or local CLP. Not only does it allow for the use of two
masters in the same network due to the capacity for routing the packets, it allows for remote access to data of the
Modbus RTU network using a cellular network (GSM/GPRS) and the sending of alarm and status messages (SMS).
4. Remote monitoring using only SMS
In this application, the AirGate-GPRS can either be or not be inserted in a Modbus network. The monitoring of the
desired variables is made only by text messages that state the periodic status of a few variables and alarm type
conditions.