The SMS controller allows remote monitoring and control via two way SMS text messages using the cellular phone network.
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The target site requires GSM/3G service coverage but the phone handset used to run the system can be either GSM or NextG.
SMS controllers fill the gap between our local 5km range licence exempt radio links and Camvnet the internet based asset management system.
SMS based systems are ideal for real time control and monitoring of a couple of geographically dispersed assets by mobile phone for people on the move.
M2M (machine-to-machine) control is possible with a pair of SMS controllers. In tank fill applications a float switch operated controller at the tank links to another controller at the pump. In a fire fighting situation the user can over ride the tank controller with a simple text message and then take control of the pump with his or her mobile phone.
Some extra features built into the SMS controllers include powering up lighting for a preset period (by sending an SMS command with a runtime) or running a pump for a predetermined water delivery (by sending an SMS with a flow meter pulse total).