ABOVE Above-Net has a complete range of successful applications for critical applications using managed communication solutions, including cell items, industrial network devices, mobile computing and shipped.
The problem
Communication difficulty for large scale applications
LP legacy and braided pair communications are no longer used or have an abusive cost for operation. Communication solutions via wireless network are unfeasible for source and distance. Satellite communication, in turn, has a very high operation cost of operation.
The standard architecture of data network communication via cellular, makes it impossible to manage remote connections and equipment without human presence on the monitored site.
With each connection drop it would be necessary to reestablish IP addressing manually. In addition, safety rules and protections of operators make direct access to the cell router impossible.
Detail of the case
Several technologies were tested by the customer, but all had low robustness or communication instability. LP's, for example, often had stolen wires and no longer supported by operators.
Another complicating factor: Multiplexing of serial networks for communication of PLPs through the mobile network. ABOVE Above-Net was the only company capable of transposing this barrier to the customer and delivering a reliable, high availability and excellent cost-effective solution.
The solution is composed of a 3G/4G RTI connected to the PLC, which in turn connects to the various equipment at the stations. The router remains permanently connected to the Bridgemeter that is able to inform the control center supervisory information in Modbus Protocol or the access path of each device connected to the PLC. In this way, the customer can remotely monitor and control various equipment safely and reliable through a reliable and stable cellular connection;
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