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Samarco Mining

Control System for Access to the Breakwater Area

The Samarco Mining unit, located in the city of Ubu, in Espírito Santo, sought in Altus products the necessary technology to implement a safety system against sea surges, reinforcing its commitment to protecting infrastructure, employees, and the environment.

Storm Surge Safety System

The solution, created by the client in conjunction with Luxvix, Altus’s sales representative in the state of Espírito Santo, controls access to the port’s breakwater area. It uses two controllers from the XP Series, our line of compact and IoT-ready PLCs, to communicate with the instrumented buoy, located offshore, and with the traffic lights that indicate rough seas.

The system developed is used to control access to the port’s breakwater area and to signal to workers the risk of accessing the site.

Safety

Control access to the breakwater area and warn workers about possible risks

Alert System

The Altus PLC evaluates storm surge risks and activates the traffic lights

Communication

A web-based system powered by NODE-Red makes HTTP requests to the server holding the data

Acesso remoto

The system is also connected to the Ubu Port IIoT Portal via the MQTT protocol

Reliable communication to prevent disasters

The architecture relies on two XP340 PLCs, the most advanced model in the XP Series, to assess storm surge risks and activate the traffic lights that signal danger in the area. The solution includes a web-based system using NODE-Red to send HTTP requests to the server, which stores data collected by sensors on the instrumented buoy offshore. This buoy monitors weather conditions and other variables that indicate approaching ocean disturbances. The system then transmits the data to the controller via the OPC UA communication protocol.

How the storm surge safety system works

If wave heights exceed the pre-set threshold in the logic, the PLC turns on the red light, signaling that the area is at risk from a storm surge. If the PLC goes more than one hour without receiving new wave height data, the yellow light activates, warning of potential risk. If the wave height remains within safe limits, the green light allows access to the area.The system is also connected to the Ubu Port IIoT Portal via MQTT, a widely used standard in IoT applications, allowing for remote monitoring and manual control of the traffic lights when necessary.

The application also features a connection to the Port of Ubu IIoT Portal via MQTT, one of the most widely used standards in IoT applications today for monitoring and manual command of the traffic light, if necessary.