Huawei DTSU666-HW User Manual

DTSU666-HW Smart Power Sensor
Quick Guide
ZTY0.464.1516
Issue: 07
Date: 2022-04-27

Huawei DTSU666-HW Specifications

General

Type	Smart Power Sensor
Model	DTSU666-HW
Brand	Huawei
Frequency	50/60 Hz
Communication	RS485
Storage Temperature	-40°C to +70°C
Accuracy Class	Class 1
Insulation Voltage	4kV
Rated Voltage	3x230/400V
Voltage Range	176 V ~ 288 V (L-N)
Operating Temperature	-25°C to +60°C
Mounting	DIN rail
Rated Primary Current	5A
Rated Secondary Current	5A
Humidity	5% - 95% (non-condensing)
Weight	0.5 kg

Summary

1 Overview

1.1 Dimensions

1.3 Key Specifications

Lists essential technical specifications like voltage, current range, accuracy, and certifications.

1.4 Port Definition

2 Installing the DTSU666-HW

3.2 Wiring Scenarios

Outlines wiring scenarios based on current and line voltage, including connection modes.

3.3 Current and Voltage Direct Connection

3.4 Connection Through Current Transformer and Voltage Direct Connection

SmartLogger networking

Smart Dongle networking

3.5 Connection Through Current Transformer and Potential Transformer

Three-phase four-wire connection

Three-phase three-wire connection

4 Display and Parameter Settings

4.2 Parameter Settings

Lists parameters for setting current transformer ratio, communication protocols, and wiring modes.

4.3 Parameter Setting Operations

Provides step-by-step instructions for setting wiring mode, ratios, and communication parameters.

5 Troubleshooting

No display after power-on

Troubleshooting steps for when the display shows no output after powering on the device.

Abnormal RS485 communication

Inaccurate metering