DDS21 M5 type (4P) single-phase electronic energy meter (one in and five out)

• 35mm DIN standard rail installation, in compliance with DIN EN 50022 standard.

• 8-bit LCD display, standard configuration 6+2-digit (999999.99kWh) display, used in conjunction with buttons, with the ability to display the electrical parameters (voltage, current, power, power factor, etc.) of 5 circuits (channels) in rotation, as well as the function of querying and parameters by menu type.

• The sampling current range of each circuit (channel) does not affect each other and can be customized according to the actual needs of customers;

• Standard configuration: Passive power pulse output.

• Single phase active energy measurement and display of single-phase voltage, current, active power, and active energy.

• Multiple circuit outputs are controlled separately, making it easy to manage the demands of different loads.

• Voltage signal power supply, no auxiliary power supply required.

• metering function

  ① It has the function of measuring total electrical energy and measuring other circuits separately;

  ② Equipped with active energy metering function, data can be stored for 10 years in case of power outage;

  ③ Support hourly freezing, timed freezing, daily freezing, and scheduled freezing functions (optional);

• display function

  ① LCD display, supporting multiple parameter interface displays;

  ② Equipped with automatic parameter rotation display function;

• communication

  ① The electricity meter has one RS485 interface (supporting DL/T645-2007 and Modbus RTU protocols) (default DL/T645-2007 protocol factory);

  ② The RS485 interface is electrically isolated from the inside of the meter and is designed with lightning protection circuits;

• output function

  ① Has active power test pulse output;

• Equipped with timed control and remote opening and closing control functions

  All 5 circuits are equipped with timed control and remote control through backend software. Currently, only 4 circuits can be remotely controlled by sending instructions through the main station backend to achieve the function of opening and closing the electric energy meter;

• Malignant load (optional function)

  Malignant load (optional function): In the non power protection state, if the active power and power power judgment value are preset, when the user's active power is greater than the preset active power and the power coefficient is greater than the preset power coefficient (power coefficient of 1, for pure resistive electrical equipment), it is judged as a malignant load, the meter trips, the meter alarms, and the alarm light is on. After N minutes of setting the trip automatic closing, the automatic closing (N) can be set, and the default is 5 minutes of reclosing.

Direct wiring diagram

GB/T 17215.322 "Special Requirements for AC Measuring Equipment Part 22: Static Active Energy Meters (0.2S and 0.5S Levels)"

GB/T 17215.211 "General Requirements, Tests and Test Conditions for AC Measuring Equipment Part 11: Measuring Equipment"

DL/T 614-2007 "Multifunctional Energy Meter"