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GE D20MIC10BASE-T 820-0756 – Industrial Ethernet Communication Module
Product Overview
The GE D20MIC10BASE-T 820-0756 is an industrial-grade Ethernet communication module developed by General Electric, tailored for substation automation and power system control applications. It serves as a key connectivity component for GE’s D20/D200 substation controller series, solving the challenge of stable data transmission in harsh industrial environments. This module enables reliable 10BASE-T Ethernet communication between the main controller and peripheral devices, ensuring seamless data transfer for SCADA systems and intelligent electronic devices (IEDs) in power generation and distribution sectors. It integrates robust design features to withstand extreme temperatures and industrial interference, supporting efficient substation automation operations.
Technical Specifications — GE D20MIC10BASE-T 820-0756
| Parameter | Value |
|---|---|
| Product Model | GE D20MIC10BASE-T 820-0756 |
| Manufacturer | General Electric (GE) |
| Product Type | Industrial Ethernet Communication Module |
| Power | 3.0-3.6 Vdc input, 2W typical power consumption |
| Communication / Protocol | IEEE 802.3 10BASE-T, D.20 Link (GE proprietary) |
| Operating Temperature | -40 °C to +70 °C |
| Mounting | 19″ rack-mountable (fits D20MX/D200 chassis left-most slot) |
| Dimensions (HxWxD) | 100 mm × 60 mm × 20 mm |
| Weight | 0.15 kg |
| Typical Interfaces | RJ45 (10BASE-T Ethernet), D20 ME2 interface |
| Compliance | IEEE 1613, UL Class I Division 2, IP40 protection |
GE D20MIC10BASE-T 820-0756
Key Features and Benefits — GE D20MIC10BASE-T 820-0756
- Robust industrial design: Withstands extreme temperatures and vibrations, suitable for harsh substation and industrial environments.
- Reliable connectivity: Supports 10 Mbps data rate via 10BASE-T Ethernet, ensuring stable data transfer between controllers and IEDs.
- Seamless integration: Designed for GE D20/D200 substation controllers, with pin-to-pin compatibility for easy retrofit and expansion.
- Simplified configuration: Auto-negotiation and auto-MDI/MDI-X functions reduce network setup complexity.
- Enhanced signal integrity: Galvanic isolation design prevents ground loop interference, critical for power system applications.
Related Models
- GE 526-2117: D20 ME2 Ethernet Module, works with the D20MIC10BASE-T 820-0756 for extended Ethernet connectivity.
- GE D20E-C: Combination I/O Module, compatible with the module for substation automation I/O expansion.
- GE 977-0298: Interface Cable, required for proper connection of the D20MIC10BASE-T module.
- GE D20ME II: Main Processor Module, integrates seamlessly with the Ethernet module for enhanced control capabilities.
Installation and Maintenance — GE D20MIC10BASE-T 820-0756
- Installation: Mount in the left-most slot of D20MX/D200 chassis; use specified interface cable (P/N 977-0298) for connection to D20 ME2 module.
- Routine maintenance: Periodically inspect RJ45 connectors for tightness and clean chassis ventilation to prevent overheating.
- Troubleshooting: Check status indicators to identify connectivity issues; ensure input voltage stays within 3.0-3.6 Vdc range.
- Compliance: Verify adherence to IEEE 1613 and UL standards during routine checks to maintain operational safety.
