DEIF DU-2/MKIII Product Introduction

Product Overview:

DEIF DU-2/MKIII is a multifunctional power protection and management display device launched by DEIF company, designed specifically for generator systems, industrial power equipment, and complex distribution networks. This product integrates high-precision monitoring, multi-channel protection functions, and user-friendly interface, suitable for scenarios such as power systems, industrial automation, and ship energy management, ensuring stable power operation and rapid response to faults.

Main features and advantages:

Redundancy and reliability: Adopting a triple module redundancy structure, three independent control circuits vote on input/output signals in real time, supporting 118 I/O module expansion, ensuring the continuous stability of the system in harsh industrial environments.

Intelligent monitoring and protection: Built in overcurrent, undervoltage/overvoltage, reverse power and other protection algorithms, real-time monitoring of voltage, current, frequency, harmonics and other parameters, supporting customized protection curves, covering common fault scenarios of generators.

Industrial adaptability: wide temperature working range (-40 ℃ to+70 ℃), IP65 protection level, suitable for outdoor or high dust environments; Support remote I/O module expansion (up to 12 kilometers) to meet the requirements of distributed systems.

Flexible communication capability: compatible with Modbus RTU (RS-485), Ethernet, and optional Profibus protocol, seamlessly integrated with SCADA, PLC, or external hosts to achieve remote data monitoring and control.

Convenient operation and maintenance: High resolution backlit LCD display screen, supporting real-time display of multi-channel data; Modular design allows for online maintenance without interrupting system operation.

Technical specifications:

Parameter specifications

Model DEIF DU-2/MKIII

Brand DEIF

Input voltage 100-240V AC, 50/60Hz/110-300V DC

Output voltage 24V DC (can be configured as an auxiliary power supply)

Display high-resolution backlit LCD screen, supporting real-time display of multiple parameters

Multi channel monitoring of measurement functions such as voltage, current, frequency, power factor, harmonics, etc

Communication interface Modbus RTU, Ethernet, optional Profibus

Working temperature -40 ℃ to+70 ℃

Protection level IP65

Size 350mm × 120mm × 90mm

Certification standards CE, UL, DNV GL (for ship applications)

Application areas:

Power system: Real time monitoring and protection of generators in power plants and stations to ensure the stability of the power grid.

Industrial automation: Distribution control for chemical, metallurgical and other industries, suitable for high loads and complex working conditions.

Ship and Maritime: Monitoring of ship generator systems to meet the stringent requirements of marine environments.

Renewable energy: power management and fault warning for new energy generation equipment such as wind power and photovoltaics.

Military and Security: Backup power protection for critical facilities to ensure power continuity.

Related products:

DEIF DU-2/MKII I/O module: As a spare or expansion module, it works in conjunction with DEIF DU-2/MKII to support I/O function expansion.

DEIF AGC-4/DCP2 controller: equipped with control equipment to achieve automatic management and multi parameter adjustment of the power system.

 

DEIF DU-2/MKIII产品简介

产品概述：

DEIF DU-2/MKIII是DEIF公司推出的一款多功能电源保护与管理显示设备，专为发电机系统、工业电力设备及复杂配电网络设计。该产品集成了高精度监测、多通道保护功能及用户友好界面，适用于电力系统、工业自动化、船舶能源管理等场景，确保电源稳定运行与故障快速响应。

主要特点和优势：

冗余与可靠性：采用三重模块冗余结构，三个独立控制电路实时表决输入/输出信号，支持118个I/O模块扩展，保障系统在严苛工业环境下的持续稳定性。

智能监测与保护：内置过流、欠/过压、逆功率等保护算法，实时监测电压、电流、频率、谐波等参数，支持定制化保护曲线，覆盖发电机常见故障场景。

工业级适应性：宽温工作范围（-40℃至+70℃），IP65防护等级，适应户外或高粉尘环境；支持远程I/O模块扩展（最远12公里），满足分布式系统需求。

灵活通信能力：兼容Modbus RTU（RS-485）、以太网及可选Profibus协议，可与SCADA、PLC或外部主机无缝集成，实现数据远程监控与控制。

便捷操作与维护：高分辨率背光液晶显示屏，支持多通道数据实时展示；模块化设计允许在线维护，无需中断系统运行。

技术规格：

参数规格

型号DEIF DU-2/MKIII

品牌DEIF

输入电压100-240V AC,50/60Hz/110-300V DC

输出电压24V DC（可配置为辅助电源）

显示高分辨率背光液晶屏，支持多参数实时显示

测量功能电压、电流、频率、功率因数、谐波等多通道监测

通信接口Modbus RTU、以太网、可选Profibus

工作温度-40℃至+70℃

防护等级IP65

尺寸350mm×120mm×90mm

认证标准CE、UL、DNV GL（船舶应用）

应用领域：

电力系统：发电厂、电站的发电机实时监测与保护，保障电网稳定性。

工业自动化：化工、冶金等行业的配电控制，适配高负载与复杂工况。

船舶与海事：船舶发电机系统监控，满足海上环境严苛要求。

可再生能源：风力、光伏等新能源发电设备的电源管理与故障预警。

军事与安防：关键设施的备用电源保护，确保供电连续性。

相关产品：

DEIF DU-2/MKII I/O模块：作为备件或扩展模块，与DEIF DU-2/MKIII协同工作，支持I/O功能扩展。

DEIF AGC-4/DCP2控制器：配套控制设备，实现电源系统自动化管理与多参数调节。

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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