Brand and Model: Changsha Weisheng DTSD342-9D Distribution Monitoring Meter

Wiring system: three-phase four wire system

Current specification: 3 × 1.5 (6) A

Frequency:

Multiple rates:

Communication protocol: DL/T645 protocol; Modbus protocol

Meter attribute: Three phase four wire multifunctional digital display instrument

Accuracy level: 0.5S level

Voltage specification: 3 × 220/380V; 3×57.7/100V； 3×100V

Product size:

Communication interface: 2-channel RS485 interface

1 Overview

1.1 Product Introduction

The DTSD342 (configuration number 9N) three-phase electronic multifunctional energy meter is a power instrument that integrates measurement recording, energy metering, remote signaling and control, large screen LCD display, and network communication functions. This instrument can measure multiple grid parameters such as voltage, current, power, power factor, and frequency; Measurable active and reactive electrical energy; The RS-485 communication interface supports MODBUS-RTU and DL/T645 dual communication protocols; It has switch input and output functions, and can be configured with analog transmission output function.

This instrument is widely used in power distribution automation systems, industrial control and automation systems, energy management systems, and residential power monitoring.

The DTSD342 (configuration number 9N) three-phase electronic multifunctional energy meter meets the following standards:

GB/T17215.301-2007 Special Requirements for Multifunctional Energy Meters

GB/T17215.322-2008 Static active energy meter (0.2S level and 0.5S level)

GB/T17215.323-2008 Static Reactive Energy Meters (Level 2 and Level 3)

DL/T614-2007 Multifunctional Energy Meter

DL/T645-2007 Multi functional Energy Meter Communication Protocol

Modbus RTU

1.2 Product Features

This instrument adopts high-precision sampling measurement unit and high-speed MCU data processing unit, which can achieve high-precision, wide range accurate measurement and fast data analysis; Adopting a segmented multi line wide-angle LCD display screen, the display content is very rich; The LCD is equipped with a white backlight, which can meet the requirements for accessing data in dark environments; Non volatile memory is used to store various types of data, which can be saved for a long time without loss in case of power failure; Supports RS485 communication ports and industrial standard communication protocols, making networking convenient and flexible; By selecting different communication modules, it can meet the diverse interface requirements of various users.