GE WESDAC D20M++Product Introduction

GE WESDAC D20M++is an industrial-grade distributed control system(DCS)core module launched by the automation and control department of General Electric(GE),designed for industrial automation,energy management and process control.The product achieves high reliability and flexible expansion through a modular architecture,supports real-time data acquisition and logic control in complex industrial scenarios,and is widely used in power,petrochemical,manufacturing and other industries.

Product overview:

GE WESDAC D20M++,as the core controller of the WESDAC series,consists of two independent modules:

WESTERM D20S:Responsible for field wiring terminals,supporting 64 digital input compression terminal connections,equipped with surge protection and isolation design,compatible with 12-130VDC wide voltage input.

WESDAC D20S:Processing data acquisition and communication,interacting with the main processor(WESDAC D20M)through the daisy-chain DB9 interface,and supporting real-time logical computing and diagnostic functions.

Its core functions include state input processing,multi-protocol communication,redundant design and harsh environment adaptability,which is suitable for industrial systems with strict security and stability requirements.

Main features and advantages:

MODULAR ARCHITECTURE:FAST MAINTENANCE THROUGH A DETACHABLE DESIGN,AND THE FIELD TERMINAL(WESTERM D20S)IS SEPARATED FROM THE DATA PROCESSING MODULE(WESDAC D20S)TO REDUCE HINDING TIME.

High input capacity and isolation protection:64 digital input is supported,each group of 8 channels are independently isolated,compatible with positive and negative grounding systems,built-in varistors and capacitor protection circuits,and outstanding anti-interference capabilities.

Flexible communication and expansion:

Through the DB9 interface daisy chain connection,it supports real-time data transmission between the main processor and the slave module.

INTEGRATED MAINTENANCE PORT(WESMAINT D20)CAN BE LINKED TO THE VT100 TERMINAL OR SIMULATOR FOR DIAGNOSIS AND CONfigureMENT.

Wide voltage and wide temperature domain adaptability:the input voltage range covers 12-130VDC,and the operating temperature is-20℃to+80℃to adapt to temperature fluctuations in industrial environments.

Cost and maintenance optimization:Compared to traditional DCS systems,hardware costs are reduced by about 40%,support general monitoring software,and reduce system management complexity.

Technical specifications:

Parameter description

Model WESDAC D20M++

Brand General Electric(GE Fanuc)

SERIES WESDAC D20 SERIES

Number of input channels 64 digital input(8 groups x 8 channels)

Input voltage range 12-130VDC

Isolation method Each group is independently isolated

Communication interface DB9 daisy chain,maintenance port

Operating temperature-20℃to+80℃

Protection class IP20(industrial grade)

Power redundancy supports fuse protection and power filtering

Application areas:

Industrial automation control:start-stop of power equipment,logical control of production line,robot action coordination.

Energy management:power plant unit monitoring,energy storage system condition monitoring and load distribution.

Process control:chemical reactor temperature and pressure control,petroleum refining process parameter adjustment.

Safety protection:fire protection system linkage,emergency shutdown logic execution to ensure production safety.

 

GE WESDAC D20M++产品简介

GE WESDAC D20M++是通用电气（GE）旗下自动化与控制部门推出的工业级分布式控制系统（DCS）核心模块，专为工业自动化、能源管理和过程控制设计。该产品通过模块化架构实现高可靠性与灵活扩展，支持复杂工业场景中的实时数据采集与逻辑控制，广泛应用于电力、石化、制造等行业。

产品概述：

GE WESDAC D20M++作为WESDAC系列的核心控制器，由两个独立模块组成：

WESTERM D20S：负责现场接线终端，支持64个数字输入的压缩型端子连接，配备浪涌保护与隔离设计，兼容12-130VDC宽电压输入。

WESDAC D20S：处理数据采集与通信，通过菊花链式DB9接口与主处理器（WESDAC D20M）交互，支持实时逻辑运算与诊断功能。

其核心功能包括状态输入处理、多协议通信、冗余设计及恶劣环境适应性，适用于对安全性和稳定性要求严苛的工业系统。

主要特点和优势：

模块化架构：通过可拆卸设计实现快速维护，现场接线端子（WESTERM D20S）与数据处理模块（WESDAC D20S）分离，减少停机时间。

高输入容量与隔离保护：支持64个数字输入，每组8通道独立隔离，兼容正负接地系统，内置压敏电阻与电容器保护电路，抗干扰能力突出。

灵活通信与扩展：

通过DB9接口菊花链连接，支持主处理器与从模块间实时数据传输。

集成维护端口（WESMAINT D20），可连接VT100终端或模拟器进行诊断与配置。

宽电压与宽温域适应性：输入电压范围覆盖12-130VDC，工作温度-20℃至+80℃，适应工业环境温度波动。

成本与维护优化：相比传统DCS系统，硬件成本降低约40%，支持通用监控软件，降低系统管理复杂度。

技术规格：

参数描述

型号WESDAC D20M++

品牌通用电气（GE Fanuc）

系列WESDAC D20系列

输入通道数64个数字输入（8组×8通道）

输入电压范围12-130VDC

隔离方式每组独立隔离

通信接口DB9菊花链、维护端口

工作温度-20℃至+80℃

防护等级IP20（工业级）

电源冗余支持熔断器保护与电源过滤

应用领域：

工业自动化控制：电力设备启停、生产线逻辑控制、机器人动作协调。

能源管理：发电厂机组监控、储能系统状态监测与负载分配。

过程控制：化工反应釜温度压力控制、石油精炼工艺参数调节。

安全防护：消防系统联动、紧急停机逻辑执行，保障生产安全。

 

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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