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GE D20EME 0526-21170-1 – Ethernet/Memory Expansion Module
Product Overview
The GE D20EME 0526-21170-1 is an Ethernet and memory expansion module specifically designed for GE D20 and D200 substation controllers. It addresses the core industrial challenge of limited connectivity and memory in substation automation systems, enabling seamless Ethernet integration and expanded global memory for data processing. This module supports both new installations and system upgrades, ensuring compatibility with existing D20/D200 setups while enhancing communication capabilities and data storage. It is engineered for harsh substation environments, delivering reliable performance in mission-critical power automation applications.
Technical Specifications — D20EME 0526-21170-1
| Parameter | Value |
|---|---|
| Product Model | D20EME 0526-21170-1 |
| Manufacturer | GE |
| Product Type | Ethernet/Memory Expansion Module |
| Power | +5 Vdc, 1.05A (max) |
| Communication / Protocol | Ethernet (10Base-T, 10Base2, 10Base-FL), Modbus |
| Operating Temperature | 0°C to 70°C |
| Mounting | Chassis-mounted (D20/D200 chassis compatible) |
| Dimensions (HxWxD) | 3.5 cm x 13 cm x 13.5 cm |
| Weight | 1 kg (2.2 lbs) |
| Typical Interfaces | RJ-45, BNC, ST-style fiber optic, DB9S |
| Compliance | IEEE 802.3 |
GE D20EME 0526-21170-1
Key Features and Benefits — D20EME 0526-21170-1
- Enables Ethernet connectivity for D20/D200 controllers, supporting 10 Mbps networks with multiple cabling options (twisted pair, coax, fiber optic) for flexible installation.
- Provides expandable global memory to accommodate increased data processing and storage needs in substation automation.
- Supports both new system installations and upgrades from legacy Ethernet cards, reducing downtime and migration costs.
- Features built-in isolation and EMI protection, ensuring stable operation in harsh industrial and substation environments.
- Simplifies integration with SCADA, EMS, and DMS systems, facilitating seamless data exchange and remote monitoring.
Related Models
- D20EME 0526-21170-2: GE Ethernet/memory expansion module with enhanced fiber optic connectivity for long-distance applications.
- D20ME II: GE main processor module compatible with D20EME 0526-21170-1, offering seven configurable serial ports.
- DS200TBQCG1AAA: GE terminal board designed for seamless integration with D20/D200 expansion modules.
- IS215UCVEM06A: GE communication module that complements D20EME 0526-21170-1 for enhanced protocol support.
Installation and Maintenance — D20EME 0526-21170-1
- Install the module in compatible D20/D200 chassis (verify chassis compatibility; 500-0280 with 953-3061 sub-assembly is recommended).
- Route the interconnect cable between the EME main board and MIC card inside the chassis to avoid EMI interference.
- For upgrades from Greenspring Ethernet cards, re-install software into the D20 ME/ME II processor; memory-only upgrades require no new firmware.
- Periodic inspection is recommended: check for physical damage, unobstructed airflow, and secure cable connections.
- Replace the backup battery immediately if the battery voltage LED indicates a drop below 3 volts.
