DEIF DU-2/MKIII Product Introduction

product overview

Model: DU-2/MKIII is a multifunctional power protection and management display unit developed by DEIF Group in Denmark, and is a core product of its control system series. This device is designed specifically for generators, power systems, and industrial automation scenarios, integrating high-precision measurement, multi-channel protection, and real-time data display functions. It supports remote communication and industrial level environmental adaptability, and is widely used in fields such as power systems, ships, and renewable energy.

Main features and advantages

High precision and stability:

Adopting advanced protection algorithms and high-resolution LCD displays, real-time monitoring of parameters such as voltage, current, frequency, power factor, etc. ensures data accuracy and system stability.

Multi channel protection function:

Supports over 12 protection types such as overcurrent, undervoltage/overvoltage, reverse power, differential protection, etc., quickly responds to abnormal states, and prevents equipment damage.

Industrial grade environmental adaptability:

Through triple module redundancy design, it can operate stably within the temperature range of -20 ℃ to+85 ℃, withstand harsh conditions such as vibration and dust, and comply with DNV GL ship application certification.

Flexible Expansion and Communication:

Supports multiple protocols such as Modbus, Profibus, EtherNet/IP, compatible with remote I/O modules (up to 12 kilometers), expandable to 118 I/O points, and compatible with distributed control systems (DCS).

Easy to operate and intelligent diagnosis:

The touch screen interface is intuitive, supports self checking function and online maintenance, and improves fault location efficiency by more than 30%.

technical specifications

Parameter description

Model DU-2/MKIII

Brand DEIF (Denmark)

Series control system

Input voltage 100-240V AC/110-300V DC

Output voltage 24V DC (configurable)

Display type: High resolution backlit LCD screen

Measure functional voltage, current, frequency, power factor, etc

Protection functions include overcurrent, undervoltage/overvoltage, reverse power, etc

Communication interfaces RS-232/485, Modbus, Profibus

Environmental adaptability IP20 protection, wide temperature range (-20 ℃ to+85 ℃)

Certification CE, UL, DNV GL

application area

Power system: generator protection and grid monitoring for power plants and substations.

Industrial automation: power management and fault warning in industries such as chemical and metallurgical.

Ship and marine engineering: ship power system, propulsion system control, adapt to Delomatic 4 hybrid energy mode.

Renewable energy: synchronous protection and power regulation of wind turbines.

Related products

DEIF power board: used in conjunction with DU-2/MKIII, supports triple redundant power supply, and enhances system reliability.

DEIF transmitter (such as TAS-331DG): provides signal acquisition for voltage, current, etc., and forms a complete monitoring link with DU-2/MKIII.

DEIF sensors (such as RTA602): used for measuring ship rudder angles, expanding the application scenarios of DU-2/MKIII in marine engineering.

DEIF Automatic Controller (AGC-4 Mk II): Collaborates with DU-2/MKIII to achieve automatic start stop and load distribution of the generator set.

DEIF DU-2/MKIII产品简介

产品概述

型号：DU-2/MKIII是丹麦DEIF集团研发的多功能电源保护与管理显示单元，属于其控制系统系列的核心产品。该装置专为发电机、电力系统及工业自动化场景设计，集成高精度测量、多通道保护与实时数据显示功能，支持远程通信与工业级环境适应性，广泛应用于电力系统、船舶、可再生能源等领域。

主要特点和优势

高精度与稳定性：

采用先进保护算法与高分辨率液晶显示屏，实时监测电压、电流、频率、功率因数等参数，确保数据精度与系统稳定性。

多通道保护功能：

支持过流、欠压/过压、逆功率、差动保护等12种以上保护类型，快速响应异常状态，防止设备损坏。

工业级环境适应性：

通过三重模块冗余设计，可在-20℃至+85℃温度范围内稳定运行，耐受振动、粉尘等严苛条件，符合DNV GL船舶应用认证。

灵活扩展与通信：

支持Modbus、Profibus、EtherNet/IP等多种协议，兼容远程I/O模块（最远12公里），可扩展至118个I/O点，适配分布式控制系统（DCS）。

操作简便与智能诊断：

触摸屏界面直观，支持自检功能与在线维护，故障定位效率提升30%以上。

技术规格

参数描述

型号DU-2/MKIII

品牌DEIF（丹麦）

系列控制系统

输入电压100-240V AC/110-300V DC

输出电压24V DC（可配置）

显示类型高分辨率背光液晶屏

测量功能电压、电流、频率、功率因数等

保护功能过流、欠压/过压、逆功率等

通信接口RS-232/485、Modbus、Profibus

环境适应性IP20防护，宽温（-20℃至+85℃）

认证CE、UL、DNV GL

应用领域

电力系统：发电厂、变电站的发电机保护与电网监控。

工业自动化：化工、冶金等行业的电源管理与故障预警。

船舶与海工：船舶电力系统、推进系统控制，适配Delomatic 4混合能源模式。

可再生能源：风力发电机组的同步保护与功率调节。

相关产品

DEIF电源板：与DU-2/MKIII配套使用，支持三重冗余供电，提升系统可靠性。

DEIF变送器（如TAS-331DG）：提供电压、电流等信号采集，与DU-2/MKIII形成完整监测链路。

DEIF传感器（如RTA602）：用于船舶舵角测量，扩展DU-2/MKIII在海洋工程中的应用场景。

DEIF自动控制器（AGC-4 Mk II）：与DU-2/MKIII协同实现发电机组的自动启停与负载分配。

Choose Shenzhen Changxin for worry-free after-sales service and high-quality products. We only cooperate with first-tier brand manufacturers in the industry. Our products are imported and comprehensive. We provide thoughtful pre-sales service, communicating multiple times with customers about product models, quality, prices, and delivery schedules to jointly confirm the solutions and address users’ concerns in advance. Business execution is in place, ensuring on-time delivery of ordered products and formulating a comprehensive delivery plan to guarantee the project schedule. We also assist users in handling acceptance procedures.

Our after-sales service is impeccable. For any problems during the warranty period, we only replace, not repair. We never shirk responsibilities or pass the buck when encountering problems. Our service hotline is available 24/7: 18150087953

SOLEMN COMMITMENT

1. For all items, modules, and cards sold by our company, if any quality problems occur during normal use within the warranty period, we will provide free replacements without any excuse or delay.
2. For non-discontinued materials and equipment that are out of the warranty period, we only charge the cost of relevant accessories for quality problems.
3. For discontinued materials and equipment, we provide alternative models and equipment replacement process services.
4. For the materials and equipment purchased by customers, we offer lifetime free system software upgrades and provide relevant technical documents for free.
5. We regularly follow up on the usage of the materials purchased by customers and promptly solve any problems.
6. Our company’s hotline provides 24-hour service, and we will respond to customers’ questions within 1 hour.
7. For any other matters not covered, our company adheres to the attitude of “thoughtful service and full responsibility” and solves problems from the customer’s perspective in a practical way. With a serious and rigorous corporate style, we wholeheartedly serve every customer.

The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers.

We supply directly from abroad, without middlemen, reducing the cost of use.

There is really no middleman who can make a price difference! !

If you have any defects or need to import PLC, DCS spare parts, please contact our team, we will help you find reliable and high-quality products super quickly, while shortening the delivery time to ensure that your equipment can operate normally in the right environment. On time.

Professionally provide: PLC programmable control system, distributed control system (DCS), safety instrument system (SIS), ESD system, vibration monitoring system, turbine compressor control system (CCS) and other PLC modules, various industrial control systems, system modules, CPU, IO module, DO module, AI module, DI module, network communication module, Ethernet module, motion controller, analog input module, analog output module, switch input module, switch output module, module redundancy, power supply module, relay output unit, relay input unit, processing unit.

Products are widely used in: electricity, petroleum, mine hoisting, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textile, chemical industry, water conservancy and other modern industrial fields!

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