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GE D20EME 0526-21170-1 – VME-Based Ethernet/Memory Expansion Module
Product Overview
The GE D20EME 0526-21170-1 is a VME-based ethernet and memory expansion module designed for GE D20 and D200 substation automation systems. It addresses the need for enhanced communication bandwidth and expanded memory capacity in power substation environments, enabling seamless integration with 10 Mbps ethernet networks and supporting data concentration and protocol conversion tasks. This module is engineered to withstand harsh industrial conditions, ensuring reliable performance in mission-critical power distribution and automation applications, while facilitating easy upgrades for existing D20/D200 systems.
Technical Specifications — D20EME 0526-21170-1
| Parameter | Value |
|---|---|
| Product Model | D20EME 0526-21170-1 |
| Manufacturer | GE (General Electric) |
| Product Type | VME-Based Ethernet/Memory Expansion Module |
| Power | +5 VDC, 1.05 A (max) |
| Communication / Protocol | 10 Mbps Ethernet (10Base-T, 10Base2, 10Base-FL), Modbus, IEC 61850 |
| Operating Temperature | 0°C to 70°C |
| Mounting | VME Chassis Mount |
| Dimensions (HxWxD) | 3.5 cm x 13 cm x 13.5 cm |
| Weight | Approx. 1 kg (2.2 lbs) |
| Typical Interfaces | RJ-45 (10Base-T), BNC (10Base2), ST-style (10Base-FL), DB9S RS-232 |
| Compliance | UL, CE, ISO 9001 |
GE D20EME 0526-21170-1
Key Features and Benefits — D20EME 0526-21170-1
- Combines ethernet connectivity and global memory expansion in a single VME module, eliminating the need for separate components in D20/D200 systems.
- Supports multiple ethernet configurations (10Base-T, 10Base2, 10Base-FL) for flexible network integration in diverse substation setups.
- Robust design with noise immunity and surge protection, suitable for harsh industrial and outdoor switchyard environments.
- Enables seamless data exchange with SCADA, EMS, and DMS systems, enhancing substation operational efficiency and monitoring capabilities.
- Easy to install as a new component or upgrade for existing D20/D200 systems, with minimal configuration required.
Related Models
- D20ME II: 32-bit main processor module for D20 platforms, handling data collection and automation algorithms.
- D20EME 0526-21171-1: Similar ethernet/memory expansion module with enhanced serial port support.
- D20SZ: High-voltage I/O peripheral module compatible with D20EME for high-voltage substation applications.
- D200 Chassis: 8-slot main chassis supporting up to 7 CPU boards, fully compatible with the D20EME module.
Installation and Maintenance — D20EME 0526-21170-1
- Install the module in compatible D20 VME or D200 chassis (verify chassis compatibility before installation; older 500-0280 chassis without 953-3061 sub-assembly is not compatible).
- Route the interconnect cable between the module and MIC card inside the chassis to avoid EMI interference.
- For upgrades, re-install software into the D20 ME/ME II processor if upgrading from a Greenspring ethernet card.
- Routine maintenance involves inspecting connectors, ensuring unobstructed airflow, and checking fuse and battery conditions (no scheduled calibration required).
- If connection length exceeds 3m, install a serial surge protection panel (GE 540-0249) for added protection.
