overview

Suitable for residential users who implement time-sharing or tiered billing, they can purchase electricity remotely through IC cards and communication according to customer needs;

main features

DDZY1778C-ZThe model adopts high-precision MCU and high-precision circuit design, which has the characteristics of stable performance, rich functions, and strong anti-interference ability. It adopts a fully sealed structure and shell, which can meet the application of harsh high and low temperature alternation and humid environment, and has a longer service life;

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 zero line CT, capable of measuring zero line data and zero line energy metering function;

Ø It has the function of time division and multiple rate electricity metering, and can modify the time period rate parameters through parameter setting software;

Ø It has freezing function, settlement function, and multiple event recording function, supporting up to 3 settlements within one month;

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

Ø Supports RS-485 and infrared communication, with optional carrier communication methods, both supporting DL/T645-2007 and Q/GDW11778-2017 protocols;

Ø It has functions such as prepayment of electricity bills, alarm tripping, and electricity bill credit;

Ø It has the functions of single electricity price, time of use billing, and tiered billing;

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

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

Ø Voltage signal power supply, no need for auxiliary power supply;

performance parameter

Product wiring diagram