WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
The GE D20 EME is a modular Ethernet/Memory Expansion board designed for integration within the GE D20 and D200 series substation controllers. This expansion module plays a vital role in modernizing and enhancing legacy automation systems by providing additional memory capacity along with versatile Ethernet connectivity options. Widely used in power generation, electrical substations, and industrial control systems, the D20 EME supports efficient data handling, communication, and remote monitoring capabilities, which are critical in grid management and process automation.
The module is compatible with both single and multi-slot configurations of the D20 and D200 chassis, allowing flexible system upgrades and expansions without full hardware replacements. It supports multiple Ethernet media interfaces, including 10BASE-T (twisted pair), 10BASE2 (coaxial), and 10BASE-FL (fiber optic), enabling versatile network topologies tailored for various plant environments. This broad compatibility ensures integration across heterogeneous network infrastructures, enhancing communication bandwidth and system responsiveness.
- D20 EME 27-APR-13
Memory expansion on the D20 EME enables increased data storage and processing capacity for advanced automation algorithms, event logging, and large-scale SCADA data acquisition. The module incorporates battery-backed SRAM, protecting critical configuration and historical data from power outages. The enhanced memory supports improved performance for local automation processes and data consistency across complex networked control systems.
Designed with industrial robustness in mind, the GE D20 EME operates reliably under electrical disturbances typical of power utility environments. It endures wide temperature ranges, vibration, and humidity conditions per industrial standards. Its form factor (19″ width x 5.25″ height x 8.1″ depth) allows easy installation in standard racks or control cabinets, fitting seamlessly into existing D20/D200 system architectures for cost-effective modernization.
| Parameter | Value |
|---|---|
| Model | D20 EME Ethernet/Memory Expansion Module |
| Brand | GE Digital Energy |
| Product Type | Ethernet/Memory Expansion for D20/D200 Series |
| Ethernet Interfaces | 10BASE-T, 10BASE2, 10BASE-FL |
| Memory Capacity | 8 MB or 16 MB battery-backed SRAM |
| Compatibility | D20 and D200 chassis (single/multi-slot) |
| Power Supply | 20–60 VDC or 100–300 VDC/85–264 VAC |
| Operating Temperature | -20°C to 60°C |
| Dimensions (WxHxD) | 19″ x 5.25″ x 8.1″ (483 mm x 133 mm x 206 mm) |
| Communications | Supports SCADA protocols including DNP3, Modbus, IEC 61850 |
| Certifications | Meets applicable industry EMC and safety standards |
Related Modules or Compatible Units
D20ME II CPU Board – Sixth generation main processor module for D20 automation platform.
D20 D.20 I/O Modules – Expansion I/O modules for digital and analog signal handling.
D200ME CPU – Multi-slot VME chassis processor module with enhanced capacity.
EDGEME – Ethernet interface card for extended network options.
Telenetics Modems – Telephone line modems for remote SCADA communication.
Installation of the GE D20 EME module is straightforward within standard D20/D200 chassis, ensuring clear slot assignment and secure power connections. Ethernet cabling should follow industrial best practices including shielding, grounding, and network segregation where applicable. The module’s battery-backed memory requires occasional monitoring to ensure backup battery health and data integrity.
Routine maintenance involves firmware updates, protocol testing, and event log analyses. Integration with SCADA or DCS systems may necessitate periodic communication verification and configuration backups to optimize uptime and reliability.
The GE D20 EME is covered by a manufacturer warranty providing protection against defects and operational failures, typically for 12 months. GE Digital Energy offers extensive global technical support, comprehensive documentation, and upgrade paths to enhance performance and longevity. Service plans and on-site assistance packages help ensure consistent system availability in critical utility and industrial applications.The GE D20 EME is an Ethernet and memory expansion module for the GE D20 and D200 series substation controllers, enhancing communication capabilities and processing power for these systems. It is used primarily in power generation and electrical substation automation, where reliable and scalable data acquisition and control are critical.
This module supports Ethernet interfaces including 10BASE-T, 10BASE2, and 10BASE-FL, enabling integration into diverse network topologies. It allows upgrading system memory from 8MB to 16MB of battery-backed SRAM, which increases data storage capacity for advanced automation algorithms and event logging. The D20 EME fits into both single-slot and multi-slot chassis configurations, providing flexible deployment options.
Designed for harsh industrial environments, the D20 EME operates reliably under wide temperature variations, vibration, and electrical disturbances common in utility applications. Its form factor meets standard rack dimensions for easy installation and maintenance within substations.
| Parameter | Value |
|---|---|
| Model | D20 EME Ethernet/Memory Expansion Module |
| Brand | GE Digital Energy |
| Product Type | Ethernet/Memory Expansion for D20/D200 Series |
| Ethernet Interfaces | 10BASE-T, 10BASE2, 10BASE-FL |
| Memory Capacity | 8 MB or 16 MB battery-backed SRAM |
| Compatibility | D20 and D200 chassis (single/multi-slot) |
| Power Supply | 20–60 VDC, 100–300 VDC/85–264 VAC |
| Operating Temperature | -20°C to 60°C |
| Dimensions (HxWxD) | 5.25″ x 19″ x 8.1″ |
| Communications | Supports DNP3, Modbus, IEC 61850 protocols |
| Certifications | Meets EMC and safety industrial standards |
Related Products or Compatible Units:
D20ME II CPU Board – Sixth-generation processor for the D20 system.
D20 I/O Modules – Modular input/output units for digital and analog signals.
D200ME CPU – Multi-slot processor with more capacity.
Ethernet Interface Cards – Add networking options to D20/D200 chassis.
Telenetics Modems – Support remote SCADA communications.
Installation requires slot placement in the D20/D200 chassis and appropriate Ethernet cabling with shielding and grounding. Regular maintenance involves firmware updates, battery checks for SRAM, and communication testing.
