1. Introduction and Overview
The EARU DDS661 Single Phase Digital Energy Meter is designed for measuring active energy consumption in single-phase AC power systems. This compact, Din Rail mountable device provides accurate readings of various electrical parameters, including kilowatt-hours (kWh), voltage, current, power, power factor, and frequency. It features an LCD backlight display for clear visibility and offers data retention during power outages. Models are available with and without RS485 (Modbus-RTU) communication capabilities for advanced monitoring.
Видео: Продукция бүттүview, assembly, and display demonstration.
2. Коопсуздук маалыматы
- Орнотуу жана тейлөө квалификациялуу кызматкерлер тарабынан гана аткарылышы керек.
- Ensure the power supply is disconnected before any installation, wiring, or maintenance work to prevent electric shock.
- тtage and current ratings of the meter match your electrical system specifications.
- Do not operate the meter in environments exceeding its specified operating temperature and humidity ranges.
- Avoid exposing the meter to direct sunlight, rain, or excessive dust.
- Бардык зымдарды туташтыруу коопсуз жана туура изоляцияланганын текшериңиз.
3. Продукциянын өзгөчөлүктөрү
- LCD арткы жарык дисплейи: Clear and easy-to-read display of electrical parameters.
- Multi-parameter Measurement: Measures Positive Power Consumption, Reverse Power Consumption, Total Power, Instantaneous Power, Power Factor, Frequency, Voltage, жана Current.
- Жогорку тактык: Achieves First Level Accuracy for reliable measurements.
- Маалыматтарды сактоо: Meter readings are saved and not zeroed out in the event of a power failure, preventing data measurement errors.
- Din Rail Installation: Standard 35MM Din Rail mounting for easy integration into distribution boxes.
- Optional RS485 Communication: Available with Modbus-RTU protocol for remote data acquisition and system integration.
- Туруктуу курулуш: Made from ABS material, certified with CE and IP51 rating for dust and water protection.
- Forward and Reverse Measurement: Capable of measuring energy flow in both directions.
Image: Illustrating the meter's first-level accuracy.
Image: Demonstrating data retention after a power outage.
4. Техникалык шарттар
Image: Detailed dimensions and key product parameters.
| Параметр | Нарк |
|---|---|
| Модель номери | DDS661 |
| Бренд аты | EARU |
| Өлчөмдөрү (L*W*H) | 117 мм * 18 мм * 65 мм |
| Фаза | Бир фазалуу |
| Тактык классы | 1.0 |
| Rated Voltage | AC230V 50Hz/60Hz, AC110V 60Hz |
| Operating Voltage Диапазон | 161-300VAC |
| Максималдуу номиналдык ток | 60A |
| Operating Current Range | 60A |
| AC Withstand Voltage | 2 мүнөткө 1КВ |
| Overcurrent Withstand | 960с үчүн 0.01A |
| Ички энергия керектөө | <2W/10VA |
| Constant Pulse | 1000imp / kWh |
| Дисплей түрү | LCD |
| Иштөө температурасы | -10 градустан +50 градуска чейин |
| Сактоо температурасы | -30°Cден +70°Cге чейин |
| Иштөө нымдуулугу | ≤75% |
| Сактоочу нымдуулук | ≤95% |
| Материал | ABS |
| Сертификация | CE |
| IP рейтинги | IP51 |
| Батарея камтылган | Жок |
| Жогорку коркунучтуу химиялык | Жок |
5. Орнотуу жана зымдар
The DDS661 energy meter is designed for 35MM standard Din Rail installation. Ensure the mounting location is dry, well-ventilated, and free from strong electromagnetic interference. Professional installation is highly recommended.
5.1 Монтаждоо
- Attach the meter to a standard 35MM Din Rail in your electrical distribution box.
- Ensure it is securely clipped into place.
Сүрөт: Мисample of DDS661 installed on a 35MM Din Rail.
5.2 Электр өткөргүч схемасы
Refer to the wiring diagram below for correct connection. Pay close attention to the input (IN) and output (OUT) terminals for Live (L) and Neutral (N) wires. For models with RS485, ensure the RS485+ (24) and RS485- (23) terminals are connected correctly for communication.
Image: Wiring diagram for DDS661, showing L/N input/output, pulse output, and RS485 connections.
- Terminals (1) and (4): Input for Live (L) and Neutral (N) respectively.
- Terminals (3) and (6): Output for Live (L) and Neutral (N) respectively.
- Terminals (20) and (21): Pulse output contact for external pulse counting.
- Terminals (24) and (23): RS485+ and RS485- for Modbus-RTU communication (only on RS485 models).
Бошоң байланыштарды жана мүмкүн болгон коркунучтарды болтурбоо үчүн бардык туташуулардын бекем жана коопсуз экенин текшериңиз.
6. Иштөө нускамалары
Once properly installed and powered, the DDS661 meter will automatically begin measuring and displaying electrical parameters on its LCD screen.
6.1 Көрсөтүү режимдери
The meter cycles through various display modes automatically, showing different parameters. You can typically press a button (if present, usually labeled 'SET' or similar) to manually cycle through the displays or reset certain values (e.g., temporary power consumption). Refer to the specific model's front panel for button locations.
Image: Display parameters for DDS661 with RS485, including Positive/Reverse/Total Power, Power, Power Factor, Frequency, Voltage, жана Current.
Image: Display parameters for DDS661 without RS485, showing similar measurements.
6.2 Reading Parameters
- кВт.саат: Kilowatt-hour (energy consumption). This is the primary measurement.
- V: Тtage (in Volts).
- A: Учурдагы (д Ampэрес).
- W: Instantaneous Power (in Watts).
- Гц: Frequency (in Hertz).
- PF: Power Factor.
- Жалпы кубаттуулугу: Топтолгон энергия керектөөсү.
- Positive Power Consumption: Energy consumed from the grid.
- Reverse Power Consumption: Energy fed back to the grid (if applicable).
6.3 Маалыматтарды сактоо
The meter is designed to retain all accumulated energy data even if power is lost. This ensures continuous and accurate tracking of consumption without manual resets after outages.
7. Техникалык тейлөө
- Тазалоо: Эсептегичтин сыртын тазалоо үчүн жумшак, кургак чүпүрөктү колдонуңуз. Абразивдүү тазалоочу каражаттарды же эриткичтерди колдонбоңуз.
- Туташуу текшерүү: Зымдардын туташууларынын бекем жана дат баспагандыгын текшерүү үчүн мезгил-мезгили менен текшерип туруңуз.
- Экологиялык шарттар: Иштөө чөйрөсү белгиленген температура жана нымдуулук чегинде сакталышын камсыз кылыңыз.
- Колдонуучу тейлей турган бөлүктөр жок: Do not attempt to open or repair the meter yourself. Refer to qualified service personnel for any issues.
8. Кыйынчылыктарды
- Дисплей жок:
- Check if the power supply is connected correctly and active.
- Киргизилген томду текшериңизtage номиналдык диапазондо.
- Туура эмес окуулар:
- Ensure wiring is correct according to the diagram (L and N are not swapped).
- Confirm the load is connected properly.
- Бош байланыштарды текшериңиз.
- RS485 Communication Issues (for RS485 models):
- Verify RS485+ and RS485- connections are correct.
- Check communication settings (baud rate, parity, data bits, stop bits) on your Modbus master device.
- Consult the manufacturer for the specific Modbus register map if needed.
9. Колдонуучунун кеңештери
- Data Persistence: Many users appreciate that the meter's readings are saved even after a power cut, allowing for accurate long-term consumption tracking without loss of data.
- RS485 интеграциясы: For advanced users looking to integrate the meter into a home automation or energy management system, understanding the Modbus-RTU protocol and obtaining the device's register map from the manufacturer is crucial for successful communication.
- Таза дисплей: The backlit LCD display is generally well-regarded for its readability, even in low-light conditions.
10. Кепилдик жана колдоо
Кепилдик маалыматы, техникалык колдоо же тейлөө боюнча суроо үчүн, сатуучуга же өндүрүүчүгө түздөн-түз кайрылыңыз. Сатып алганыңыздын далили катары сатып алуу дүмүрчөгүңүздү сактаңыз.
