1、 Overview

DDSYF6607 single-phase electronic remote prepaid energy meter(Hereinafter referred to as "instrument")It is designed and manufactured based on the actual electricity consumption of residents. It has high accuracy and reliability.

This instrument adopts advanced energy metering dedicated chips, designed in combination with mature multi rate and prepaid technologies, and is applied16Digital Sampling Processing Technology andSMTHigh tech products manufactured by craftsmanship. The key components are selected from internationally renowned long-life devices, which improves the reliability and service life of the product. The data display adopts a large screen LCD, which is convenient for meter reading.

This instrument can realize functions such as time-sharing metering prepayment, setting daily meter reading, handheld computer programming, and meter reading; Can be set2A time zone,4Fee rate,12Daily time period; And it has infrared and485Communication function, capable of remote meter reading, communication protocol can supportDL/T 645-2007The Communication Protocol for Multi functional Energy Meters provides essential conditions for the automation management of electricity consumption.

Its performance indicators meet the requirementsGB/T17215.321-20081《2Level andThe technical requirements for electronic active energy meters in the "Static AC Active Energy Meter" comply withGB/T15284-2002The "Special Requirements for Multi Rate Energy Meters" specifies the technical requirements for multi rate energy meters and complies with themGB/T18460-2001《IC

Technical requirements for card prepaid electricity sales system.

2、 Main functions

Remote prepaid energy meters have the following basic functions:43.1 Time sharing active positive and negative energy metering, which can be divided into12Rate of fees2A time period

A time zone.43.2 With ladder function, the most configurable

Each step has its own set of electricity quantity and price.

3.3 Infrared communication, programming settings, and meter reading can be performed through a handheld computer.323.4 It is possible to implement parameter rotation, and the parameters displayed on the rotation should not exceed

The items and time intervals can be pre-set, and the order of parameter rotation can also be set arbitrarily.

3.5 Equipped with optocoupler isolation active passive pulse output interface, with the same pulse constant as the meter constant.123.6 RecordsTotal active power and hourly power of months,485And it can be achieved through infrared or

Meter reading method.

3.7 It has programming prohibition function and data reset function.

3.8 Support for reduced meter reading according to departmental regulations.3.9 Having the ability to purchase electricity before using it,

And automatically freeze the monthly electricity consumption rates on the designated meter reading day.3.10 Can be usedIC

Set parameters and meter reading for the card.3.11 adopts a one table one card method,IC

Multiple verification and encryption of data in the card, secure and reliable.

3.12 Each time electricity is purchased, data is transmitted bidirectionally through the power card.

3.13 Can set non working hours and emergency credit limits.3.14 Within the rated current range, the maximum operating power can be limited(Restricted by the power supply department)

.

3.15 has an external alarm output interface.

3.16 has built-in sound and light alarm, trip and power-off functions

a. When overloaded, it is possible to control the output of alarm and trip signals by selecting whether to allow alarm tripping.

b. When the remaining power is less than or equal to the alarm set value, the alarm and trip signals can be controlled by selecting whether the meter is allowed to output alarm and trip signals.

c. When the remaining power is zero, the meter outputs a trip signal.

3.15 has the functions of remote meter reading, remote opening and closing, and remote electricity sales.

3、 Working principleWhen the electric energy meter is working, the voltage and current are sampled separately by the sampling circuit, and then multiplied by the dedicated integrated circuit for electric energy processing before being sent toCPUProcess it, and finally,CPU

Send the processed data to output devices such as the display and communication sections as needed.Managed by a computer information system, throughICCard reader/writer, capable of writing a certain amount of power and monitoring requirementsICThe microprocessor system in the card input table, throughCPU

After calculation, provide display, alarm, and cut-off status signals.1The working principle of the instrument is shown in the diagram

As shown.

4、 Technical indicators4.1 Accuracy Level Merit1.0 2.0

level4.2 Reference voltage

220V4.3 Rated current1.5(6)A、2.5(10)、5(20)A、10(40)A、15(60)A、

20(80)A4.4 Rated frequency

50Hz14.5 Starting currentLevel: ≤

0.004InLevel 2: ≤

0.005In

4.6 Stealth with anti creep logic design4.7 External dimensions168mm×110mm×

61mm4.8 Weight approximately

8.5 Wiring diagrampicture

Wiring diagram

9、 Transportation and storageThe product should not be subjected to severe impact during transportation and unpacking, and according toGB/T5464-1995

The General Technical Conditions for Instrument Packaging stipulate transportation and storage.5Inventory and storage should be stored on racks in their original packaging conditions, and the stacking height should not exceed

Layer.0The storage location should be clean, and the ambient temperature should be40～℃, relative humidity not exceeding85%

And there are no harmful substances in the air that can cause corrosion.

10、 Guarantee period1From the date of sale of the electric energy meter, if the user complies with the requirements specified in the manual and the manufacturer's lead seal is still intact, and it is found that the electric energy meter does not meet the requirements specified in the technical specifications, the company will provide3Annual replacement,

Annual maintenance and lifelong upkeep1 appendix

Prepaid function description

1、 Normal useAn electric energy meter with prepaid function, usingIC

Card for purchasing electricity and managing work. And there are multiple functional cards such as preset card, power purchase card, power check card, reset card, etc. for setting, purchasing, checking, and resetting operations.

New meter installation: When using a meter that has been reset to zero and is functioning properly, the preset card should be used to preset parameters such as load control, main time period, sub time period, meter reading date, and wheel display items.

Clock calibration: It is necessary to use a meter reader for broadcasting time synchronization.

Account opening form: Use the upper computer software "Electricity Sales Management System" to open an account and pay the advance payment for this electricity purchase. Insert the generated user card into the new table, completing the account opening and pairing of one table and one card.

User electricity purchase: The management system settles the actual electricity bills receivable by the user based on the total, peak, average, and valley electricity consumption returned by the user card. And pay the advance payment for this electricity purchase. New load control, sub time periods, meter reading days, public holidays and other parameters are also written into the power purchase card and transmitted to the electricity meter.

For the convenience of real-time operation, this table can also be programmed with a handheld computer or infrared remote control for parameter settings. The content of parameter programming is related to multiple rate parameters. The pre paid part of the setting parameters must be transmitted and set by the preset card and the power purchase card.

2、 Check function

A power card can check one meter. Using a power card can facilitate the electricity management department to check the parameter data of any meter. Important data such as electricity consumption, purchased electricity, remaining electricity, etc. can be written back to the power card. The data content written back by the power card can be read out by the electricity sales management system.

3.13、 Management function

Load control settingsAccording to the user type and power supply season, policies for controlling the user's electricity load can be formulated, and different load management can be carried out for peak, off peak, off peak, and off peak periods to achieve the management goal of "peak shaving and valley filling".²When running, open the electricity meter and save the data stored in the opened meterE

PROM2If the display panel is unplugged and replaced with a new meter, the new meter can replace the original one and all data and fault tables are the same. (The nameplate of the electric meter also needs to be replaced with a new one)

（

）When the allowed load and remaining power exceed the pre-set values, and the available power of the meter is zero, the meter will output an alarm or trip signal.3Attention: When both alarm and trip are selected, trip takes priority over alarm.0（

）When the remaining electricity on the meter is

5.1If the external power supply circuit cannot be disconnected due to emergency credit or other reasons, the electricity meter will start calculating the overdrawn power and automatically deduct the overdrawn power when the next power card is inserted.

5、 Instructions for various functional cards

5.2Set card

The setting card is a setting card created by the electricity sales system after the installation of the electricity meter, which sets the basic parameters of the electricity meter in this system. Only the electricity meter that has been set up can be used to open an account and purchase electricity.

Pre installed card

The new watch can be installed directly after leaving the factory. After using the "preset card" to preset the specified "preset power" and multi rate extended data, it can be powered on for use. And transition from factory state to installation state. The preset power consumption is treated as an internal "credit limit" in the electricity meter, which can be automatically deducted when inserting the purchase card. Note: It can also be pre-set by the manufacturer.

Pre installed cards can be used interchangeably to set up meters of the same specifications and can be reused. Used and managed by watch installation personnel.0The installed electricity meter needs to be paired with one meter and one card before accepting the electricity purchase account opening card.100The power level of the preset card is written by the electricity sales management system, and the power level can be written

to

Yuan.

5.3Without a pre account electricity meter, multiple pre-set cards can be accepted, with the last pre-set data being valid.

Note: The preset card can also be used for testing and typing tests on the electricity meter. After the test is completed, use the reset card to reset it to zero.

Purchase electricity card

Users bring their purchase cards to the electricity sales department to purchase electricity, and the department uses the electricity sales management system to manage the usage9999The amount of electricity purchased by the household is written into the electricity purchase card. The power purchase card adopts a one meter one card method, and the power purchase cards listed by each user are not interchangeable with each other. The power sales management system saves the original records stored by users.9999If the hoarding limit is set to the maximum value009999.00In Yuan hour, the maximum amount of electricity that a user can purchase at a time is

Yuan. When the sum of the purchased electricity and the remaining electricity in the meter exceeds the storage limit, the meter will display“3”The purchased power in the card will not be written into the table. When the remaining power and the current purchased power are less than the storage limit, the purchased power card will be inserted again, and the current purchased power will be read in.

After inserting the power purchase card into the meter, wait for the meter to confirm that the user number and password are correct, and then write the purchased electricity into the meter. The power purchase card has the function of writing back the operating data of the electricity meter, such as the current electricity level, remaining amount, meter status, and so on

5.4Monthly electricity consumption and other data are written back to the purchase card and read out through the electricity sales management system for easy management.

The system can also transmit parameters such as public holiday data, primary and secondary time periods, and load control methods during electricity sales according to actual needs. This function can be selected and set in the electricity sales management system software.

Check the power card

5.5A power card can check one meter. Using a power card can facilitate the electricity management department to check the parameter data of any meter. Important data in the meter, such as energy, purchase amount, remaining amount, etc., can be written back to the power card. The data content written back by the power card can be read out by the electricity sales management system.

Inserting the power card again before the first check shows that it has not ended can detect whether the relay can trip normally.

Clear card

After inspection and testing, the electricity meter can be reset to zero (can be used multiple times) to restore its factory state and put back into use.1Conditions for using the reset card:

（2）Press the programming key to enter programming mode.2（

5.6）Electricity meter powered on

Within minutes.

Meter reading card100Electric card usage: Used for copying meter data during the manufacturing process and user usage. one100The meter reading card can only read up to100The data of the block table. The number of meter readings exceeds

During block time, the last copied data will overwrite the first one

Block table data.

5.7Note: The meter reading card only returns internal data for the prepaid portion.

If you want to collect historical records and other data of multiple rates, you should use a meter reader to collect them.

test card2 Usage of electric card: Used for rapid inspection and evaluation of electric meter performance testing, re inspection, and process aging procedures during manufacturing processes and acceptance inspections.

appendix

User Attention Notice1. One table, one card:The user holdsICCards cannot be exchanged. If lost, please go to the power supply department(Electricity sales office

)

Purchase an additional one.2. Preparation for purchasing electricity:Before purchasing electricity, users must

IC

Insert the card into the electricity meter once to facilitate sending the data in the meter back to the computer database.3. When purchasing electricity, please declare the amount of electricity to be purchased and the alarm reminder amount.4. Electricity card usage: Insert the purchase card into the electricity meter. If it is a valid purchase card, the electricity meter will automatically read the data into the meter,

LCD

The display screen sequentially displays purchase information such as total purchased electricity, remaining electricity, overdrawn electricity, purchased electricity, and meter frequency. Please store the unplugged card properly.5. Operation display: During the operation of the electricity meter, it alternately displays the total average electricity, peak and valley electricity, remaining electricity, and operation period in the meter.6. Overcapacity alarm: During the operation of the electricity meter, if there is an "alarm"30LED3If the indicator light flashes rapidly, it warns the user that the battery has exceeded its capacity. If the meter is set to the over capacity power-off limit mode, then the over capacity electricity will be usedIn seconds, the brake will be pulledMinutes and countdown display(180second

)Time to restore power supply; The user's card insertion response can immediately restore power supply.7. Accumulation limit: If purchased electricity+remaining electricity>Accumulation limit (e.g: 9999kWh）If the purchased electricity is not read in, the display will show“

NNNNNN2”Reminder: The battery level in the card is still valid.8. Warning reminder: When the remaining battery level in the meter is less than the "alarm battery level"When doubled, "alarm"1LED2The indicator light will flash at intervals of

Display a reminder to the user to purchase electricity in seconds. If the user responds by inserting the card, the "alarm indicator light" will flash at intervals of10Seconds can avoid power outage warnings.9. Power outage warning: If the user does not respond by inserting the card during the warning reminder, the remaining battery level will be the alarm battery level agreed upon by the user (or the current purchased battery level)%When the electricity meter is turned off, a warning will be issued for power outageICPlug in the meter once to restore power supply. If this table cannot be found after pulling the switchICCard, can be borrowed from neighbors

ICInsert the card to restore power supply.10. Power purchase reminder: When the remaining power in the meter is less than the "alarm power", an "alarm" will be triggered

LEDThe indicator light will remain on as a constant reminder.11. Fault declaration: When the remaining battery level is displayed as zero or negative, an "alarm" will be triggered

LED0Instructions: If the electricity meter continues to operate (except for emergency credit), the user should immediately purchase electricity and proactively report the situation to the power supply department.

12. Emergency credit can be granted during non working hours, weekends, and public holidays. When the battery level is.