1. GENERAL
nergy meter is a modern advanced instrument designed and manufactured by using large-scale integrated circuit, digital sampling processing technology and SMT technology according to
the actual power consumption of industrial users.
All performance guideline is accord with IEC62053-22"Electricity metering equipment (a.c.) - Particular Requirements - Part22: Static meters for active energy (classes 0,2 S and 0,5 S)"、IEC 62053-21:2003 "Electricity meteringequipment (a.c.) - Particular requirements - Part 21: Static meters for activeenergy (classes 1 and 2)"、IEC 62053-23:2003 "Electricitymetering equipment (a.c.) - Particular requirements - Part 23: Static metersfor reactive energy (classes 2 and 3)"、“IEC 62052-11:2003Electricity metering equipment (a.c.) -General requirements , tests and test conditions-Part 11:Metering equipment”.DL/T 614 "Multifunction electricity meterring equipment(A.C.)"、and the communication is accord with DL/645"Multi-function watt-hour meter communication protocol"、“MODBUS RTUcommunication protocol”.It can meet thetechnical requirements of multifunctional electric energy meter according tothe functional customization requirements.
A high - speed and high - precision AC voltage current acquisition module is embedded , the sampling precision is high , and the electric energy metering is accurate in real time ;
The time-sharing metering combines active power, positive and negative active electricity and demand, combined reactive power, four quadrant reactive power, and has 485 functions of
communication and infrared communication.
Excellent electromagnetic compatibility,Resist the interference of high pressure peak pulse, strong magnetic field, strong static electricity, lightning surge, and have strong adaptive ability range
of temperature;
Three-phase power supply (i.e. line power supply mode),The electric energy meter can still work normally when any phase or the two phase and four wire in the three-phase three wire is broken down.
In the case of loss of AC power, the meter can keep the data and maintain the clock chip.
Low power consumption;Sealing design,PVC waterproof and flame retardant material, wall hanging structure, compact size, easy to install.
2.1 Measurement function
1).Measure active energy import and export in four rates(the active energy’s measurement mode can set)
2).Measure reactive energy import and export in four rates(the reactive energy’s measurement mode can set)
3).Measure total active energy,total reactive energy,active energy in every phase for the both the current and last month , reactive energy in every phase for the cunrrent month.
4).Time-sharing measurement of four quadrant reactive power, and storage of current and previous 1 settlement date ~ previous 12 settlement date total and various rate power.
5).Record the maximum demand and occurrence time of positive and reverse active power in a time-sharing manner, and store the maximum demand and occurrence time of current and previous 1 settlement date to previous 12 settlement dates;
6) The maximum demand period is 5, 10, 15, 30 and 60 minutes.
2.2 Multi-rates function
1).Four rates,14 period, 8 day time table, 14 year time zone, 254 public holiday;
2) 2 sets of time zone tables and 2 sets of daily schedule;
3) The meter has the function of programming and recording time table and settlement day.
4)The out-configure’s clock chip have functions of calendar,hour format and leapyear auto switch.
2.3 Display function
1).LCD display,it can display clear at the temperature -30℃ to 55℃.
2)Data scroll display function, the scroll-display sequence can be programed discretionarily
3).Data key display function,,the key display sequence can be programed discretionarily.
4).View any data content with a palmtop computer;.
5). With backlight function, the backlight can be turned on by remote control, key operation and infrared meter reading, but the backlight does not turn on when power failure wakes up .
2.4 Communication function
1).The meter have two RS485 interfaces and one optical port, PC or HHU can use this ports to communicate with meter at the same time,and it will not interfere each other .When they communicating; the optical port is used for programmable and data reading.,it also be used for checking the meter’s data as remote control.
2).The RS485 interfaces can insulate by electricity to the meter inside,and it is designed to avoid the thunder’s attack.
3). The communicationg ‘s protocol is DL/T 645、MODBUS RTUcommunication protocol.
PS: There are two RS485 communication interfaces (the communication protocol of RS485 port ① refers to DL/T 645, and the communication protocol of RS480 port 2 refers to MODBUS RTU (RS485)).
2.5 Output function
1)Has the function of pulse test port output, and has telecontrol pulse output for active energy import and export, and telecontrol pulse output for reactive energy import and export.
2).Have multifunction signal outputs,such as 1HZ clock,the warning signal for overload and loss of voltage, demand interval for meter’s test .
3).Have signal outputs for warning.
2.6.The function of event record
1).Real time measurement of A, B, C three phase voltage, current, power and other effective values and current frequency
2).It has the following functions: loss of voltage, phase interruption, loss of current, full voltage loss, voltage reverse phase sequence, undervoltage, overvoltage, overcurrent, interruption, unbalanced current, overload, total power factor, stop call, programming, zero clearing and time calibration.
2.7.The special function
1)Have a power-off button wake-up function, a power-off infrared wake-up function, and waking up and data reading during power break
2).Display the information for failure,the function of warning(the LCD and display);
3).It has the functions of timing freezing, instantaneous freezing, convention freezing, daily freezing and whole freezing.
4).Record the data of the electric meter before zero clearance.
5).Password locking function: after the password verification 3 errors, the liquid crystal will show "", at this time the meter will automatically lock up for 24 hours.
6)Load curve recording function(optional)
7)With open cover recording function
8)It has the function of recording power loss of working power supply (optional).
3. Technical data
3.1 Comparison table of specifications and pulse constants (See Table 1)
Table 1
Model | Species | Reference voltage Un (V) | Rated current In (A) | Active pulse constant (imp/kWh) | Reactive pulse constant (imp/kvarh) |
DSSD25 6Z-E | Three-phase three-wire | 3×600V | 3×0.3(1.2) | 15000 | 15000 |
3×1.5(6) | 2000 | 2000 | |||
DSSD25 6Z-E | Three-phase three-wire | 3×800V | 3×0.3(1.2) | 15000 | 15000 |
3×1.5(6) | 2000 | 2000 | |||
DSSD25 6F-E | Three-phase three-wire | 3×100V 3×110V 3×120V | 3×0.3(1.2) | 100000 | 100000 |
3×1.5(6) | 20000 | 20000 | |||
DTSD25 6F-E | Three-phase four-wire | 3×220/380V 3×230/400V | 3×0.3(1.2) | 30000 | 30000 |
3×1.5(6) | 6000 | 6000 | |||
3×5(60) | 400 | 400 | |||
3×57.7/100V 3×63.5/110V | 3×0.3(1.2) | 100000 | 100000 | ||
3×1.5(6) | 20000 | 20000 |
3.2 Battery working parameters
Accuracy grade: active power 0.2S, 0.5S, 0.5 and 1; Reactive power level 2
Rated frequency: 50Hz、60Hz
Starting current: mutual inductance type: active power 0.001In (0.2S, 0.5S, 0.5) 0.002In (Grade 1)
Direct-entry type: active power 0.004In (Grade 1)
Stealth: with anti-stealth logic design
Overall dimensions: 265mmx170mmx75mm
Installation dimensions: 210 mm x150 mm
Weight: about 2.3kg
3.3 Electric parameters
Voltage of specified operating range | 0.9Un~1.1Un |
Voltage of limit operating rang | 0.8Un~1.15Un |
Power consumption of voltage circuit | ≤ 0.5 VA |
Power consumption of current circuit(Ib<10A) | <0.2VA |
Power consumption of current circuit(Ib≥10A) | <0.4VA |
Scope of work provided for auxiliary power supply | 100V~265V,AC and DC adaptive |
Power consumption of independent working power supply | ≤ 1.5W and <10VA |
Clock battery voltage | 3.6VDC |
Replaceable battery voltage | 6VDC |
3.4 Rate operating parameters
Clock accuracy (daily error) | ≤0.5S (23℃) |
Battery capacity | ≥1200mAh |
After power failure, the data storage time shall be | ≥ 10 years (with new batteries) |
3.5 Climatic condition
Normal working temperature | -25℃~+60℃ |
Limited range of temperature | -40℃~+70℃ |
Temperature for storage and transport | -40℃~+70℃ |
Storage and working humidity | Annual mean≤75% |
3.6 Technical parameters
The number of tariff | 4 |
The number of time zone | 14 |
The range of measure | -799999.99 kWh~799999.99 kWh , -799999.99 kvarh~799999.99 kvarh |
Display Type | 液晶 |
Communication | DL/T645: RS485①interface:1200bps~9600 bps(Default 2400bps even check) RS485②interface:1200bps~9600 bps(Default 2400bps even check) MODBUS RTU: RS485②interface: Default 9600bps none check Infrared data association: 1200bps |
Communication protocol | DL/T645–2007 Communication Protocol of Multifunctional Electric Energy Meter, MODBUS RTU (RS485) Communication Protocol DL/T645-1997 Communication Protocol of Multifunctional Electric Energy Meter |
Active | Active pulse indicator lamp |
Reactive | Reactive pulse indicator lamp |
Warning | When an alarm occurs, the watt-hour meter will light up, and if there is no alarm or alarm recovery, it will go out |
4.3 Content of LCD screen
Explanation of LCD symbols
Symbols | Explanations |
Units: kWh-active energy kW—active demand Ah— ampere hour kVA-apparent power V— Voltage A—current | |
Units: kvarh-reactive energy kvar-reactive demand | |
Proguamming is available | |
Battery status: the clock will flash when the battery voltage is insufficient | |
Battery status: it will flash when the battery voltage is insufficient during power failure meter reading | |
Indicates the 1st and 2nd sets of time periods | |
LCD alarm indication PS: Faults mainly include voltage loss, current loss, phase failure, voltage reverse phase sequence, overcurrent, current imbalance, overload, undervoltage, overvoltage, total power factor exceeding lower limit, demand exceeding limit, battery undervoltage, bad memory, etc. | |
Infrared and 485 interface communication symbols, which are displayed during communication; At the same time, "1" is displayed to indicate the first 485 communication, and "2" is displayed to indicate the second 485 communication | |
Password lock symbol, which indicates that the password is locked when displayed. | |
Current identification, which respectively represents Ia, Ib and Ic, and displays "-"when the power is reversed. Blinking display in case of loss of current; When a certain phase is cut off, the phase current identification disappears (including "-"). PS: In the three-phase three-wire meter, there is no phase B current. | |
Stand for A voltage, B voltage, C voltage; Blinking display in case of pressure loss; Symbols disappear after phase failure; PS: Ub is not displayed in the three-phase three-wire meter. | |
Current energy and energy direction | |
When displayed, it represents the rate of current meter operation | |
The upper row shows the data identification corresponding to the wheel display/key display data, and the lower row shows the composition serial number of the wheel display/key display data in the corresponding data identification. If there is no corresponding identification or non-07 identification, "--------" | |
This character flashes when voltage reverse phase sequence occurs |
5. Meter installation and connection
5.1 The meter should be fixed on the place that indoors and should be ventilation and dry to ensure that the installation is safe and reliable.If it is a dirty or possible damage place ,the meter should be protectedinaabinet.
5.2 At the top of the meter ,there is a hole that can be fixed by a screw(M410),at the below of the meter ,there are two holes that can be fixed by two screws(PA410 or PA412).please use the sizes as follows to drill the soleplate,and the meter’s base should be fixed in the place where is hard ,fireproof and no-shake.
Fig. 2: Meter profile
5.3 The meter shoule be wired correctly follow the diagram.Advise to use copper or copper connectors as the lines to connect the terminal block.The screw in the terminal cover should be tightened to avoid burnned that caused by the wire who are too thin or not chonnect well.
5.4 Terminal connection diagram
4.4.1 Multifunction terminal connection diagram (shown in Fig.3)
(For reference only,the fact is showed on the connection diagram of the cover negative)
Fig.3 Wiring diagram of functional terminals
Wiring diagram of three-phase four-wire power supply terminal
3×63.5/110V 3×57.7/100V ≤3×1.5(6)A
With auxiliary power supply Without auxiliary power supply
3×220/380V 3×230/400V ≤3×1.5(6)A
With auxiliary power supply Without auxiliary power supply
3×220/380V 3×230/400V ≤3×5(60)A
3) Wiring diagram of three-phase three -wire power supply terminal
3×100V 3×110V 3×120 ≤3×1.5(6)A
With auxiliary power supply Without auxiliary power supply
3×600/800V ≤3×1.5(6)A
2CT power supply 3CT power supply
4) active and reactive power test ports
5) Schematic diagram of multifunctional output port
a) The multi-function port outputs is 1Hz clock:
Output of optocoupler in meter
b) The multi-function port outputs other signals
6. Transport and storage
The meter shall not be subjected to severe impact during transport and un-packing, and be transported and stored according to requirements of national standards GB/T15464 “General technical
requirements for packaging of instruments and apparatus”. Keep the meter on the shelves with its original package during storage, the stacking height shall not be higher than five layers. The
storing place should be keep clean and the ambient temperature shall be within the range of -40℃~+70℃, with relative humidity less than 85%, and no corrosive gasses in the atmosphere.
7. Warranty
Only in the conditions that the user fully follows the operating instructions and keeps lead seal intact, the manufacturer will provide repair or replacement free of charge within 18 months after the
date of shipment for the meter that has nonconformance to the technical requirements.
8. Appendix Instruction of remote infrared controller
The remote infrared controller is designed to help users to see all the data and parameter,the basic function of it is to check the content of Items,to reading the datas,and to make the meter scroll
display.The remote infrared controller’s form is as follow。
Figure and function keys:
Figure keys:【0~9】keys
【0】 key:display all the content of the LCD。
【1~9】keys:push 0~9 key to display the corresponding
content of each item.
For example, to view the contents of six items, press the number key 6, and the LCD will display the contents of six items.
Function keys:
【开/关】key:when LCD is displaying,push 【开/关】 key for one time,all the items on LCD will disappear, and it will switch into auto scroll display automatically after 8 seconds. If the "【开/关】" key is pressed again when the LCD is completely turned off, the LCD will be in full display state, and it will be automatically rotated after 8 seconds.
【↑】【↓】key:Push 【↑】key to display the content of the previous item,
Push 【↓】key to display the content of the next item.
【1-】key:push this key and 0~9key subsequently to display the content of Items 10~19 in the meter.
【2-】key:push this key and 0~9key subsequently to display the content of Items 20~29 in the meter.
【3-】key:push this key and 0~9key subsequently to display the content of Items 30~39 in the meter.
【4-】key:push this key and 0~9key subsequently to display the content of Items 40~49 in the meter.
【5-】key:push this key and 0~9key subsequently to display the content of Items 50~59 in the meter.
【6-】key:push this key and 0~9key subsequently to display the content of Items 60~69 in the meter.
【7-】key:push this key and 0~9key subsequently to display the content of Items 70~79 in the meter.
【8-】key:push this key and 0~9key subsequently to display the content of Items 80~89 in the meter.
【9-】key:push this key and 0~9key subsequently to display the content of Items 90~99 in the meter.
For example, to display the content of 88.03, push【8-】key first, then push figure key【3】, LCD will display 83.00, push↓key repeatedly till 88.03 is displayed.
【键显】key:Manual scroll display of preset content can be achieved by pushing this key.
【循显】key: key: scroll display of preset content can be achieved by pushing this key.
【查询】key: This key is special to display current date and time. When pushing this key, Energy meter will display current date and time in scroll.
Our company has the right to upgrade the product and update this manual, if there’s something different in the content, we would like to have your understanding!