● Display and indication: Large screen LCD, abundant graphics and hinting text. The displayed contents can scroll automatically or be trigged by button, and the displayed items can be configured as per the requirements. It has backlight. Meter can be read during power outage.

● Metering and measurements: It can measure the import and the export active energy and the total active energy. The total active energy can be configured by the import active energy and the export active energy as per the requirements. It can measure voltage, current, power, power factor, neutral current(optional), etc.

● TOU: 4 tariffs; Built-in 2 sets of time zone tables and 2 sets of daily period tables, which can be configured as per the requirements. Moreover, the switching time for both 2 sets of time zone tables and 2 sets of day profile table can be set and smoothly switch. It can be set 14 day profile and 254 holidays (special day).

● Data snapshot: It supports various ways of freezing, which include daily freezing, hourly freezing, occasional freezing, immediate freezing.

● Event logs: It can separately record latest 10 times events, such as power outage, programming, time correction, meter cover open, disconnection and reconnection, reset of events, reset of meter, etc.

● Communication interface: The meter has one far infrared interface, one RS485 and one PLC/RF (PLC and RF can be interchangeable.) module interface. Interfaces are independent. Communication protocol of meter conforms to DL/T645-2007.

IEC62052-11; IEC62053-21

DDZY217 (S26-1) Single Phase Smart Energy Meter with Built-in Module can measure the import and the export active energy. It is with TOU and step tariff function, and can be with PLC or RF module. It can be controlled to disconnect and reconnect the load remotely.