DDSU228 Single phase rail type electric energy meter (with RS-485 communication interface 1P)

Overview

The DDS228 DIN rail mounted energy meter (hereinafter referred to as the "instrument") is an energy meter used to measure single-phase active energy with a reference frequency of 50Hz. This instrument is a high-tech product manufactured using internationally advanced ultra-low power large-scale integrated circuit technology and SMT process. It has significant advantages such as high measurement accuracy, good stability, high reliability, intuitive display, and strong overload capacity. The key components are selected from internationally renowned brands of long-life devices, which improves the reliability and service life of the product. The data display adopts LCD, which is intuitive and has infrared communication, making it convenient for users to manage energy data. This instrument complies with GB/T 17215.321-2008 and DL/T 645-1997/2007 standards. This instrument is equipped with an 8-digit LCD display that shows functional power levels. It has the characteristics of good reliability, small size, light weight, beautiful appearance, and easy installation. Widely applicable and convenient to set up.

Features

1. Measurement function: It has the ability to measure positive and negative active energy and accumulate it in the total electricity consumption;

2. Use a 6+1-bit stepper counter to record accumulated power, with the option of a 6+1-bit LCD display mode;

3. Electric energy pulse indication; Power indication function;

4. Adopt 35mm DIN rail or front board installation;

5. Passive pulse output;

6. Using high-quality and long-life electronic components with strong overload capacity, long-term operation does not require calibration;

7. It has RS485 communication function and can be connected to RS485 communication network for remote meter reading and centralized management. The standard configuration communication protocol complies with DL/T645-1997 standard. Supports DL/645-2007 or MODBUS-RTU protocol.

Technical Specifications

Voltage: 220V/230V ± 20%

◆ Frequency: 50Hz

◆ Current specifications: 5 (20) A, 5 (30) A

Voltage circuit power consumption: ≤ 1.0W, 5VA

Current circuit power consumption: ≤ 1VA (Ib)

Normal operating temperature: -15 ℃ to+55 ℃

Storage and transportation temperature: -25 ℃~+70 ℃

◆ Environmental humidity: ≤ 85%

Product lifespan: greater than 10 years

◆ Dimensions: 90 × 66 × 18 (mm)

Weight: Approximately 110g