overview

Suitable for large charging stations, high-power charging piles, photovoltaic power generation and other occasions that require DC metering;

main features

DJSU1778-2PThe series of DC intelligent energy meters adopts high-performance metering chips and rich LCD displays, manufactured using advanced microelectronics technology and SMT production processes. They have the characteristics of high accuracy error, stable performance, rich functions, and strong anti-interference ability, which can meet the stable operation of long-term network 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 Equipped with LCD display, supporting commonly used voltage, current, power, battery level, and prompts;

Ø Equipped with an RS-485 communication interface, supporting DL/T645-2007 and Modbus protocols;

Ø 485The default baud rate is 2400bps, which can be modified to 1200-9600 through parameter setting software;

Ø After a power outage, the display can be awakened by pressing the button for meter reading;

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

Ø Adaptive design of AC/DC working power supply, suitable for power supply modes in various occasions;

performance parameter

Product wiring diagram