overview

Suitable for high-power charging stations and photovoltaic power generation applications that require DC metering;

main features

DJZ1778The Type State Grid Static DC Energy Meter adopts high-performance metering chips and rich LCD displays, manufactured using advanced microelectronics technology and SMT production processes. It has the characteristics of high accuracy error, stable performance, rich functions, and strong anti-interference ability, which can meet the stable operation of long-term grid connection;

major function

Ø It can measure voltage, current, and power, and can measure positive and negative active energy. It can be stored cumulatively for up to 12 months and has power direction recognition and indication functions;

Ø Optional time division multiple rate energy metering function, supporting up to 4 rates, switching between two sets of rate periods, and the time period rate parameters can be modified through parameter setting software;

Ø It can record storage load records, freeze records, and comprehensive event records, and has anti-theft power opening detection function;

Ø Compliant with the technical requirements of State Grid Q/GDW11778-2017 object-oriented protocol and DL/T645-2007 communication protocol;

Ø Equipped with backlit LCD display, supporting rich status indicators and Chinese auxiliary information prompts;

Ø Equipped with one RS-485 communication interface and one infrared interface;

Ø The infrared baud rate is 1200bps, and the default baud rate for 485 is 2400bps. The baud rate can be modified to 1200-9600 through parameter setting software;

Ø It has rich self checking, error correction, alarm and security prevention functions;

performance parameter

Product wiring diagram