Description
GE D20ME 526-2005-216943 Substation Automation RTU Main Processor Module Product Description
Product Overview
GE D20ME 526-2005-216943 is a high-performance main processor module designed for the GE Multilin D20/D200 substation automation Remote Terminal Unit (RTU) platform. As the central processing unit of the D20 automation architecture, GE D20ME 526-2005-216943 performs data concentration, field information processing, communication management, and supervisory control functions. The module acts as the master controller of the D20 system, coordinating peripheral I/O modules and providing the core processing capability required for electrical substation monitoring and control applications. The D20ME is documented by GE as the main module of the D20/D200 system, functioning as a data concentrator and central processor for field data while managing connected peripheral I/O modules.
The GE D20ME 526-2005-216943 belongs to the VME-based D20ME processor family and is designed for D20 and D200 systems requiring advanced processing capability, multiple processor configurations, and expanded communication functions. The module provides a reliable hardware foundation for collecting information from protection relays, meters, intelligent electronic devices (IEDs), and distributed I/O modules, then transferring processed information to SCADA systems and control centers. The 526-2005 hardware family is identified by GE as a D20ME VME processor suitable for D20/D200 applications requiring VME architecture and additional system capabilities.
With its proven industrial design, GE D20ME 526-2005-216943 is widely used in electric utility automation, transmission and distribution substations, and industrial power monitoring systems. The module supports long-term operation in mission-critical environments where communication reliability, deterministic processing, and system availability are essential. By combining RTU control functions, data acquisition management, and communication processing, GE D20ME 526-2005-216943 helps utilities maintain efficient grid monitoring, improve operational visibility, and extend the service life of existing GE D20/D200 automation installations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | D20ME 526-2005-216943 |
| Manufacturer | GE Grid Solutions (General Electric) |
| Product Type | RTU Main Processor Module / Substation Controller Module |
| Product Series | GE Multilin D20/D200 Substation Automation Platform |
| Processor Function | Central processing, data concentration, control management |
| Hardware Architecture | VME-based D20ME processor architecture |
| System Role | Master controller for D20 peripheral I/O modules |
| Memory Configuration | Flash, NVRAM, SRAM memory architecture (hardware revision dependent) |
| Serial Communication Ports | Multiple RS-232 communication interfaces |
| Network Expansion | Supports Ethernet communication expansion through compatible modules |
| Communication Protocols | DNP3, Modbus, IEC 60870-5-101/104 and other RTU protocols (configuration dependent) |
| I/O Management | Supports GE D20 peripheral input/output modules |
| Installation Method | D20/D200 VME chassis mounting |
| Operating Temperature | Industrial range, typically -40°C to +70°C |
| Application Environment | Substation and industrial automation environments |
| Diagnostic Functions | System monitoring, module status diagnostics |
Main Features and Advantages
Centralized RTU processing capability:
The primary advantage of GE D20ME 526-2005-216943 is its role as the core processor of the D20/D200 automation system. It manages communication, data collection, and control processing tasks, serving as the central intelligence layer between field devices and supervisory systems. This architecture improves system efficiency by distributing field processing tasks across dedicated I/O modules while allowing the main processor to focus on system coordination.
Advanced substation automation functionality:
GE D20ME 526-2005-216943 is specifically designed for electrical utility automation applications. It collects and processes information from protection devices, meters, and remote I/O modules, enabling operators to monitor equipment status, analyze operating conditions, and execute remote control commands through SCADA platforms.
Flexible communication capability:
A major strength of GE D20ME 526-2005-216943 is its ability to support multiple communication architectures. Through integrated serial interfaces and optional communication expansion components, the module can connect with various field devices and control center networks. This flexibility allows integration into both traditional and upgraded substation automation environments.
D20EME 0526-21170-1
High reliability for critical infrastructure:
Power systems require automation equipment capable of continuous operation under demanding conditions. GE D20ME 526-2005-216943 is built for industrial environments, offering stable processing performance and reliable system operation. Its robust design supports long service life in substations where equipment availability is essential.
Modular system architecture:
The modular design of GE D20ME 526-2005-216943 allows convenient installation, replacement, and maintenance within existing D20/D200 systems. Engineers can maintain installed automation platforms without complete system replacement, reducing modernization costs and minimizing operational disruption.
Legacy system lifecycle extension:
Many utilities continue operating GE D20/D200 RTU systems due to their proven reliability. GE D20ME 526-2005-216943 provides an effective spare and replacement solution, helping customers preserve existing engineering investments while maintaining reliable automation performance.
Application Areas
Electrical Substation Automation:
GE D20ME 526-2005-216943 is widely used in transmission and distribution substations as the central processing unit of RTU systems. It collects information from breakers, transformers, protection relays, and measurement devices, providing essential data for SCADA monitoring and remote operation.
SCADA and Grid Monitoring Systems:
In utility control networks, GE D20ME 526-2005-216943 functions as a communication gateway between field equipment and control centers. It processes operational data, alarms, measurements, and control commands, improving grid visibility and operational efficiency.
Power Transmission and Distribution Networks:
Modern electrical networks require reliable automation systems for monitoring and controlling infrastructure. GE D20ME 526-2005-216943 supports substation intelligence by providing dependable data concentration and communication management functions.
Industrial Power Automation:
Large industrial facilities with internal power distribution networks can use GE D20ME 526-2005-216943 for monitoring electrical equipment, collecting operating data, and integrating local automation systems with supervisory platforms.
Legacy RTU Replacement and Maintenance:
For existing GE D20/D200 installations, GE D20ME 526-2005-216943 is commonly used as a replacement processor module. It allows utilities and industrial users to maintain system reliability while avoiding expensive complete automation system upgrades.
Related Products
- GE D20ME 526-2004 – Non-VME D20ME processor module designed for single-processor D20 applications.
- GE D20ME II 526-2006 – Enhanced D20ME II processor supporting RS-232/RS-485 communication configurations.
- GE D20ME II 526-2007 – VME-based D20ME II processor with additional serial communication capability.
- GE D20MX – Next-generation substation controller platform designed as a modernization option for D20 systems.
- GE D20A – Analog input module used for acquiring analog measurements in D20 systems.
- GE D20S – Digital input/output interface module for substation signal processing.
- GE D20MIC10BASE-T 820-0756 – Ethernet communication interface module for D20 network connectivity.
- GE D200 – Larger substation automation platform compatible with D20ME processor architecture.
