1. Can manage 2 groups of rectifier modules, each group less than 16 sets, totally less than 32 sets of rectifier modules.
2. Can manage 2 strings of battery charging and discharging.
3. Can measure battery internal resistance, battery voltage, and battery temperature.
4. Can measure 2 DC bus information, 
5. Can measure DC bus and DC feeder insulation status. measure DC feeder dry contact information.
6. Communication protocol Modbus with RS232/ RS485 interface.
    Communication protocol IEC61850 with RJ45 ( LAN ) interface（optional）.  
    Communication with Rectifier, Complex Information Controller ZHCL-2/-3, Battery Controller DCXJ-19/55 and BMU-12/2V, Insulation Status Controller JYJC-32/64, Dry Contact Controller KGL-64 via RS485.
    Communication and controlled by host PC via RS485 or RS232.
7. With storage message of 50 000 history faults and 50 000 working records. These information will not get lost after power off.
8. USB1/USB2 interface, RS485/RS232 interface, RJ45 interface ( optional ).
9. With 800*480 LCD colored display, 7 inch size,  touch screen
10. Menu display, touch screen operating, parameter setting and information display.
11. Automatic fault display, with LCD shining and buzzer sounding.
12. Clock display, and the clock will display correctly after power off.
13. Size: 226*163*36mm