Certificate

GB/T17215.321-2008

GB/T17215.322-2008

GB/T17215.323-2008

DL/T 645-2007

Modbus-RTU

Features

DDS3102-3N adopts a high-precision sampling unit and a high-speed MCU data processing unit, which can realize high-precision, wide-range accurate measurement and rapid data analysis;

A segment-code type multi-line wide angle liquid crystal display screen enables various contents displaying; the liquid crystal screen is equipped with white backlight, which can meet the requirements of consulting data in the dark environment; using non-volatile memory to store all kinds of data, the data can be saved for a long time even encountering power loss.

It supports RS-485 communication interface and industrial standard communication protocol, and the networking mode is convenient and flexible; different possible expansion on functional modules enables the different interface demands of users.

1. Full Qualification: CPA and measurement license CMC.

2. High Precision: measure / measure the whole power parameters, the accuracy of active power is Level 0.5s, the accuracy of reactive power is Class 2.

3. Wide Voltage: AC / DC operation is derived from adaptation, 40~420V AC/DC input range.

4. Multi-communication: 1-way 485 communication interface, supporting MODBUS-RTU and DL/T645-2007 protocols.

5. Multiple Interface: 2-way for switch inputs, 1-way for relay output, 4-way for analog transducing output.

6. High Performance: dustproof and waterproof, meet the national standard double insulation, level 4 EMC anti-disturbance test, class b level RF electromagnetic field interference.

Function

Note: "√" indicates the basic function of each module. "△" indicates the optional functions of the model.

Situation

Widely applied in transformer and distribution automation system, industrial control and automation system, energy management system and community power monitoring and other occasions required energy efficiency monitoring.

Energy Pulse Output

The monitor provides active power pulse output and internal Opto-isolator. The pulse output width is (80 ±20) ms,. The maximum allowing current is 10mA (DC), and the working voltage range is 5V~80V (DC).

Switch Input Interface

The monitor is equipped with two digital switch input interfaces, which are connected by passive dry contact. The terminal marks are DI1, DI2 and COM, in which the COM interface is a common pole.

Relay Output Interface

The monitor is equipped with relay output interface, which can be used for alarm indication or protection control output in many cases. The electrical parameters of the internal relay are: AC 250V/DC30V, 5A.

Dimension