DDSZ7666 Single Phase Two Wire GPRS Energy Meter With DLMS

Application

DDSZ7666 single Phase Two WIRE GPRS Energy Meter with DLMS communication protocol. It can realize the function
of automatic reading, power control and remote charging. This meter complies with lEC61052-111 and IEC 61053-21. It has high
precision, low power consumption. It is suitable for the users in residential building, school, apartment project, etc

Prepaid functions

A: The MCU is integrated with relay and will disconnect from the power in some case, such as over load, over voltage
tampering, remote control and so on

B: The meter is recharged via ClU. And there are mainly 5 prepayment functions: -Charge

• Remaining credit alarms(the alarm limit is configurable)
• Anti-electricity hoarding (the credit hoarding is configurable
• Overdraft (credit is configurable
• Friendly credit. In this mode, the relay will be off even if the credit is not enough

C: The meter can also be configured to post-payment mode for user's convenience

Display

• A: 3 LED indicators for active pulse, alarm and credit status
• B: 3 display modes available scrolling display, manual display and power-off display
• C: Display content is configurable
• D: Display digits: 8

Tampering proof

• A: Meter cover open
• B: Terminal over open
• C: Bypass
• D: Magnetic influence

Measurement& Billing

A: Active energy (input and output)

B: instantaneous measurement

• Voltage
• Curren
• Active po
• Power facto
• Frequency

C: Tariff control evadible

D: 8 day profile tables(f time span per day profile)

E:8 week profile table(7 typical days per week profile

F: 4 season profile table(1 typical weeks per season profile)

G: Load profile for energy and demand data

H: Billing

• Record the recent 12 times billing data. The billing time is configurable
• Record the recent days billing data
• Record the input active MD and Mx demand
• record the accumulated md

5. Event

Main technical date

Dimension