MeloAuto-Trusted PLC & DCS Parts Supplier
This Ethernet module provides network connectivity for GE CNC controllers. It enables program uploads, remote monitoring, and data collection via standard Ethernet. You can install this board directly into any CNC rack slot. The module supports high-speed file transfers and remote diagnostics.
Technical Specifications & Key Parameters
| Parameter | Detail |
|---|---|
| Product Model | GE A20B-8100-0450/06B |
| Category | Ethernet Module PC Circuit Board |
| Dimensions (L x W) | 210 mm x 160 mm |
| Weight | 0.28 kg (0.62 lbs) |
| Network Interface | 10/100Base-TX Ethernet (RJ45) |
| Protocol Support | TCP/IP, UDP, FTP, Telnet, HTTP |
| Processor Type | 32-bit ARM with integrated MAC |
| Clock Speed | 100 MHz |
| Memory | 8 MB SDRAM, 2 MB Flash |
| Component Count | 48 ICs, 36 capacitors, 42 resistors |
| Energy Storage | 470 µF capacitor (holds configuration for 10 ms) |
| Operating Voltage | 5V DC from backplane |
| Current Draw | 350 mA at 5V DC |
| Connector Type | One RJ45 magnetics jack, one 50-pin backplane header |
| Status LEDs | Link, activity, speed, power, fault |
| Network Speed | 10 Mbps or 100 Mbps (auto-negotiation) |
Detailed Feature Overview
GE A20B-8100-0450/06B connects your CNC to office or factory networks directly. The 100 MHz ARM processor handles all network protocol overhead efficiently. This design prevents communication delays from affecting real-time CNC performance. The module supports FTP for fast part program uploads and downloads. Consequently, operators can transfer large files in seconds rather than minutes.
The board auto-negotiates between 10 Mbps and 100 Mbps network speeds. An integrated magnetic RJ45 jack provides electrical isolation for safety. Eight megabytes of SDRAM buffer incoming and outgoing data packets. Two megabytes of Flash memory store network configuration parameters permanently. A 470 µF capacitor holds settings for 10 milliseconds during power dips.
Configuration and Diagnostics
Five status LEDs provide clear visual feedback for network health. The LINK light confirms active cable connection to a switch or PC. The ACT light blinks during data transmission and reception. The SPEED LED illuminates green for 100 Mbps and amber for 10 Mbps. You can configure the IP address via the CNC operator panel. Alternatively, use a standard web browser for remote configuration.
Installation and Environmental Limits
The board draws only 350 mA from the 5V DC backplane supply. Its lightweight 0.28 kg design simplifies handling during installation. Insert the board firmly into any available CNC rack slot. Connect a standard Cat5e or Cat6 cable to the RJ45 jack. Operating temperature ranges from 0°C to 55°C reliably. Keep humidity below 90% without condensation for long life. The module supports network cable runs up to 100 meters.