PA620-R3 is an intelligent device combined the functions of measuring and control device, communication service unit and ring network Ethernet switch, and can be used as AI/DI acquisition, protection for electrical signals and non-electrical signals, remote control and communication for box type substation at PV plants or wind power plants in order to implement the remote management and automatic monitoring by INT-WPBS Wind/Solar power booster station system and therefore to meet the requirements of unmanned operation mode.

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