1MB Non-Volatile Storage for GE Fanuc CNC Control Systems
The A20B-2900-0290/05B serves as a dedicated ROM sub-module within GE Fanuc CNC control platforms. Engineers deploy this daughterboard to store critical system software and control programs. Consequently, the module ensures reliable startup and operation across legacy CNC machines and industrial robotics.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | A20B-2900-0290/05B |
| Manufacturer | GE Fanuc |
| Product Type | ROM Sub Module |
| Memory Capacity | 1 MB |
| Memory Type | Non-Volatile ROM |
| Form Factor | Daughterboard / Sub-module |
| Length | 4.5 inches (11.4 cm) |
| Width | 1.5 inches (3.8 cm) |
| Height | 0.2 inches (0.5 cm) |
| Weight | 0.1 kg |
| Compatibility | GE Fanuc CNC Systems |
| Handling | ESD Sensitive |
Memory Architecture and Function
This ROM module provides 1 megabyte of non-volatile storage for essential control data. The memory retains operating system files and CNC control programs during power cycles. Therefore, the A20B-2900-0290/05B guarantees the control system boots reliably every time. Engineers program this module prior to installation using a dedicated ROM writer.
System Integration
The sub-module plugs directly into the main control board of compatible GE Fanuc systems. Its compact daughterboard design allows straightforward replacement without extensive rewiring. Additionally, the module suits legacy installations where original storage components have reached end of life. Proper ESD precautions during handling prevent permanent damage to sensitive memory circuits.
Application and Compatibility
Operators use this module across GE Fanuc CNC machines, robotics, and industrial automation equipment. Engineers must verify system compatibility through official documentation before ordering. Furthermore, the A20B-2900-0290/05B supports systems that require specific firmware revisions installed on the ROM.
Details
| Weight | 2.5 kg |
|---|---|
| Dimensions | 306 × 230 × 76 mm |

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