CITRACC posee una gran experiencia en este campo y utiliza en sus sistemas de control enlaces de fibra óptica con topología en anillo (control distribuido) para aumentar la fiabilidad de las comunicaciones entre los diferentes autómatas de la instalación en caso de avería en una parte de ella.
El Telecontrol de las subestaciones de tracción, centros intermedios de transformación o de equipos de vía sigue cada vez más los estándares internacionales IEC101 – IEC104 – IEC81850. Estos protocolos de comunicación son también muy comunes para la monitorización de otros sistemas de energía.
CITRACC ha desarrollado su propia Pasarela de Comunicaciones con el objetivo de comunicar su red de PLCs integrados en el Sistema de Control de las subestaciones con los servidores del Puesto Central de Telemando que utilizan estos protocolos de comunicaciones.
La principal función de esta Pasarela es la conversión del protocolo de comunicación Modbus TCP en el protocolo IEC 101 (cable serie), su extensión IEC 104 (Ethernet) o IEC81850.
La alternativa a esta solución era la utilización de un PC o PLC que realizase esta función de interconexión.
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