The CSU series is a communication management device used for substation automation systems. It offers a wide range of communication interface (e.g. RS232/RS485, CAN and Ethernet), and communicates with protection & control relays, meters, the third-party devices and master computers in substation. Simultaneously, the CSU series can be used to establish communication links with power dispatching center, and to send all collected information and data. This device supports communication protocols Modbus TCP, IEC60870-5-101/103/104, CDT, DeviceNet and DNP3.0.

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