SCADADroid® and MQTT
MQTT is a publish-subscribe based protocol that works on top of the TCP/IP protocol. With MQTT, SCADADroid can send alarms, data values, and more to the client. 
The R2+ acts as the publisher, however it can also act as the subscriber. The client can send a message to the SCADADroid® to set new setpoints, or even turn a relay on or off. 


Benefits of MQTT

  • Significantly less data then with a Modbus polling device
  • retains the last value. This way if a connection is lost, or a new subscriber joins, the last value is resent
  • We also create in-house apps that make MQTT easy to use and customer friendly 



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