GRJS-600 Series Microcomputer Protection and Measurement Device
GRJS-600 series microcomputer protection measurement and control device adopts 32-bit microprocessor and digital processing technology. The measurement and protection share the same current sampling channel. It has 8 analog inputs, 8 switch inputs, and 2 relay outputs. With anti-trip configuration, the device has a small shape and complete functions. It adopts Modbus RTU communication protocol and RS-485 communication interface, and it’s mainly used in low-voltage hydropower stations and power distribution rooms of 10kV and below.