1. Introduction
The Acrel DTSD1352-C (ADL3000-E/C series) is a high-precision, small-sized, and easy-to-install three-phase multi-function smart energy meter. It is specifically designed for power supply systems, industrial and mining enterprises, and utilities to accurately calculate electricity consumption and manage electric demand. This meter integrates comprehensive measurement of all electrical parameters, provides historical data for the previous 12 months, and can check the 31st harmonic content and total harmonic content. It supports remote communication and control through its RS485 communication port, utilizing the MODBUS-RTU protocol, and includes switching input, relay output, and alarm output functionalities. The DTSD1352-C is suitable for various control systems, SCADA systems, and energy management systems, meeting the technical requirements of electricity power meters as per IEC62053-21 and IEC62053-22 standards.
2. Setup
2.1 Installation
The DTSD1352-C meter is designed for simple installation, typically mounted on a standard DIN rail. Ensure the installation environment is free from excessive vibration, moisture, and extreme temperatures outside the specified operating range.
- Mounting: Securely attach the meter to a DIN rail in an appropriate electrical enclosure.
- Dimensions: The meter has dimensions of 126.5mm (length) x 88mm (width) x 69.5mm (height).
2.2 Wiring
Proper wiring is crucial for the correct operation and safety of the DTSD1352-C meter. Refer to the detailed wiring diagrams below for connecting voltage inputs, current transformer (CT) inputs, RS485 communication, and switching I/O.
- Voltage Inputs: Connect the three-phase voltage lines (Ua, Ub, Uc) and the neutral line (N) to the corresponding terminals.
- Current Inputs: Connect the secondary side of the current transformers (CTs) to the Ia*, Ia, Ib*, Ib, Ic*, Ic terminals. Ensure correct polarity. The image below illustrates the connection with external CTs.
- RS485 Communication: Connect the RS485 communication lines to terminals 21 and 22.
- Switching Input/Output: Connect external devices for switching input to terminals 17 and 18, and for relay output to terminals 19 and 20.
3. Operating Instructions
3.1 Display and Navigation
The DTSD1352-C features an LCD display for clear readout of electrical parameters. Navigation and settings are controlled via the 'SET' button and the three arrow buttons (left, right, up/down) located on the front panel.
- LCD Display: Shows real-time measurements such as voltage (Ua, Ub, Uc), current (Ia, Ib, Ic), active power (kW), reactive power, apparent power, frequency, and energy consumption.
- SET Button: Used to enter menu options, confirm selections, or cycle through display modes.
- Arrow Buttons: Used to navigate through menu options, adjust values, or scroll through different measurement screens.
- Infrared Port: An infrared interface (6400imp/kWh) is available for local data reading or configuration.
3.2 Key Functions
- Electrical Parameter Measurement: Continuously monitors and displays voltage, current, active power, reactive power, apparent power, and frequency for each phase.
- Energy Metering: Accurately calculates and stores active and reactive energy consumption.
- Historical Data: Provides access to electricity consumption data for the previous 12 months, aiding in energy management and analysis.
- Harmonic Analysis: Capable of checking the 31st harmonic content and total harmonic content, which is vital for power quality monitoring.
- Remote Communication: Utilizes an RS485 port with MODBUS-RTU protocol for integration into SCADA or energy management systems, allowing remote data acquisition and control.
- Switching Input & Relay Output: Offers flexible control capabilities with configurable switching inputs and relay outputs for automation tasks.
- Alarm Output: Provides alarm signals for predefined conditions or thresholds, enhancing system safety and operational awareness.
4. Maintenance
The DTSD1352-C meter is designed for long-term, reliable operation with minimal maintenance. To ensure optimal performance and longevity:
- Cleaning: Keep the meter's exterior clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Connection Checks: Periodically inspect all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to inaccurate readings or operational issues.
- Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges to prevent damage to internal components.
5. Troubleshooting
If you encounter issues with your DTSD1352-C meter, consider the following common troubleshooting steps:
- No Display/Power: Check the power supply connections to ensure the meter is receiving adequate voltage. Verify that circuit breakers or fuses are not tripped.
- Inaccurate Readings: Confirm that all voltage and current transformer (CT) connections are correctly wired and that CT ratios are properly configured in the meter settings (if applicable). Ensure CT polarity is correct.
- Communication Failure: Verify the RS485 wiring, baud rate, and communication address settings. Check for any interference on the communication lines.
- Meter Not Responding: If the meter becomes unresponsive, try power cycling the device (turn off power, wait a few seconds, then turn back on).
For persistent issues, refer to the detailed technical support information provided in the Warranty/Support section.
6. Specifications
The following table outlines the technical specifications for the Acrel DTSD1352-C Three-Phase Multi-Function Energy Meter:
| Parameter | Description |
|---|---|
| Specification | 3 phase 3 wires, 3 phase 4 wires |
| Reference Voltage | 3x100V, 3x380V, 3x57.7/100V, 3x220/380V |
| Voltage Consumption | <10VA (Single phase) |
| Voltage Impedance | >2MΩ |
| Voltage Accuracy Class | Error±0.2% |
| Input Current | 3x1(6)A, 3x1(6)A (Outlay transformer), 3x10(80)A, 3x10(100)A (Outlay transformer) |
| Current Consumption | <1VA (Single phase rated current) |
| Current Accuracy Class | Error±0.2% |
| Power Measurement | Active, reactive, apparent power, error±0.5% |
| Frequency | 45~65Hz, Error±0.2% |
| Operating Temperature | -25℃~+55℃ |
| Energy Accuracy Class | Active energy (Class 0.5, 1), reactive energy (Class 2) |
| Clock Accuracy | ≤0.5s/d |
| Energy Pulse Output | 1 active optocoupler output, 1 reactive optocoupler output |
| Switching Output | 1 Switching output, Max voltage: DC/AC 220V |
| Switching Input | 1 optocoupler input, Max voltage: DC/AC 220V |
| Width of Pulse | 80±20ms |
| Pulse Constant | 6400imp/kWh, 400imp/kWh (Corresponds with basic current) |
| Interface and Communication | RS485 : Modbus RTU |
| Communication Address Range | Modbus RTU: 1~247 |
| Baud Rate | 1200bps~19200bps |
| Relative Humidity | ≤95% (No condensation) |
| Dimensions | 126.5mm x 88mm x 69.5mm |
| Certification | CE, UL |
7. User Tips
- Verify Wiring: Always double-check all wiring connections, especially current transformer (CT) polarity, before powering on the device to ensure accurate measurements and prevent damage.
- Monitor Display: Regularly check the LCD display for real-time data and any error messages. Familiarize yourself with the navigation buttons to access historical data and settings.
- Long-Term Reliability: This equipment is designed for durability, with an expected lifespan of over 10 years under normal operating conditions.
8. Warranty and Support
Acrel Co., Ltd. is committed to providing high-quality products and excellent customer service.
8.1 Warranty
The DTSD1352-C meter comes with a Two-Year Quality Warranty. During this period, free repair and replacement services are provided for products experiencing issues under normal use conditions.
8.2 Technical Support
We offer comprehensive technical support to assist you with product selection, installation, operation, and troubleshooting.
- Free Technical Selection: Consult our customer service for assistance in choosing the most suitable product for your needs.
- Technical Guidance: Receive free technical support from our experts before and after purchasing the product.
- Free Repair and Replacement: Products can be repaired or replaced free of charge if problems arise during the warranty period with normal use.
8.3 Contact Information
For any inquiries or support, please contact:
- Contact Person: William (Marketing Manager)
- Mobile/Wechat/WhatsApp: +86 19821850713
- Email: william@acrel-electric.com
- Headquarters: No. 253, Yulv Road, Jiading Zone, Shanghai, China
- Factory: No. 5 Dongmen Road, Nanzha Town, Jiangyin City, Jiangsu Province, China
