描述
GE D20 EME是通用电气（GE）推出的一款工业自动化控制模块，在电力系统自动化、工业过程控制等领域应用广泛，以下是其产品详情：
基本参数
电源输入：24V DC±15%（冗余输入支持），具备反极性保护与浪涌抑制（2kV）。
通信协议：支持Modbus RTU/TCP、DNP3.0、IEC 61850、Ethernet/IP等多种协议，可并行运行。
信号处理：有8路数字输入（24V DC，光电隔离）、4路模拟输入（4-20mA/0-10V），可配置DI/DO/AI/AO。
网络性能：配备10BASE-T以太网接口（RJ45），传输距离≤100米，支持网络冗余设计。
内存配置：标配8MB RAM，可扩展至16MB，最多可存储10,000条事件记录。
工作环境：I/O模式下为-40°C至+85°C，扩展模式下为-20°C至+60°C，湿度5%-95%（无凝露）。
物理尺寸：160mm×100mm×60mm（含导轨安装件），支持35mm DIN导轨或面板安装。
产品特点
多协议兼容：可直接对接西门子、罗克韦尔等品牌的PLC与DCS系统，在智能变电站中通过IEC 61850协议可实现与保护装置、测控单元的毫秒级数据同步。
高可靠性：采用军工级元器件与镀金触点设计，抗腐蚀能力强。双冗余电源输入，切换时间<5ms，还有故障自诊断功能。
模块化扩展：支持热插拔I/O模块扩展，最多可扩展至32路信号，内存可扩展至16MB，可存储72小时历史数据。
应用领域
电力系统自动化：可作为间隔层控制单元，采集断路器位置、母线电压等信号，联动保护继电器实现过压/过流保护，其宽温特性使其可在高原变电站等极端环境下稳定运行。
工业过程控制：在化工反应釜生产线中，可通过4-20mA模拟输入采集釜内温度、压力数据，经内置PID算法调节蒸汽阀门开度，控制精度达±0.5°C。
能源与环保设备：在垃圾焚烧发电厂，可监测炉膛温度与烟气成分，通过Modbus RTU协议控制引风机转速，优化燃烧效率；在智能楼宇中，可连接空调、照明系统，根据occupancy传感器信号动态调节能耗。
The GE D20 EME is an industrial automation control module launched by General Electric(GE),widely used in power system automation,industrial process control,and other fields.Below are its product details:
Basic Parameters
Power Input:24V DC±15%(redundant input supported),with reverse polarity protection and surge suppression(2kV).
Communication Protocols:Supports multiple protocols including Modbus RTU/TCP,DNP3.0,IEC 61850,and Ethernet/IP,and can operate in parallel.
Signal Processing:8 digital inputs(24V DC,opto-isolated),4 analog inputs(4-20mA/0-10V),configurable DI/DO/AI/AO.
Network Performance:Equipped with a 10BASE-T Ethernet interface(RJ45),transmission distance≤100 meters,supporting network redundancy design.
Memory Configuration:Standard 8MB RAM,expandable to 16MB,capable of storing up to 10,000 event records.
Operating Environment:-40°C to+85°C in I/O mode,-20°C to+60°C in extended mode,humidity 5%-95%(non-condensing).
Physical Dimensions:160mm×100mm×60mm(including DIN rail mounting),supports 35mm DIN rail or panel mounting.
Product Features:
Multi-protocol Compatibility:Directly interface with PLC and DCS systems from brands such as Siemens and Rockwell.In smart substations,it enables millisecond-level data synchronization with protection devices and control units via the IEC 61850 protocol.
High Reliability:Employs military-grade components and gold-plated contacts for strong corrosion resistance.Dual redundant power inputs with a switching time of<5ms and self-diagnostic fault function.
Modular Expansion:Supports hot-swappable I/O module expansion,expandable to up to 32 signal channels,memory expandable to 16MB,and can store 72 hours of historical data.Application Areas:
Power System Automation:It can be used as a bay-level control unit to collect signals such as circuit breaker position and bus voltage,and link protective relays to achieve overvoltage/overcurrent protection.Its wide temperature range allows for stable operation in extreme environments such as high-altitude substations.
Industrial Process Control:In chemical reactor production lines,it can collect internal temperature and pressure data via 4-20mA analog input,and adjust steam valve openings using a built-in PID algorithm,achieving a control accuracy of±0.5°C.
Energy and Environmental Protection Equipment:In waste-to-energy plants,it can monitor furnace temperature and flue gas composition,and control induced draft fan speed via Modbus RTU protocol to optimize combustion efficiency.In smart buildings,it can connect to air conditioning and lighting systems,dynamically adjusting energy consumption based on occupancy sensor signals.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
