The A16B-1211-0280 ROM/RAM memory module stores program code and runtime data for GE Fanuc CNC systems. This board pairs non-volatile firmware storage with battery-backed working memory. Engineers rely on it for stable program retention in machining and automation equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | ROM/RAM Memory Module |
| Compatibility | GE Fanuc CNC Systems |
| Memory Type | EPROM Firmware Plus Battery-Backed RAM |
| Storage Capacity | Firmware ROM Plus Working RAM |
| Interface | Backplane Connector, Card Edge Contacts |
| Dimensions | 240 mm x 160 mm x 22 mm |
| Weight | Approximately 0.45 kg |
| Component Count | 76 Active Electronic Components |
| Energy Storage | 3.6 V Lithium Backup Battery |
| Power Consumption | 5 VDC at 0.8 A |
| Operating Temperature | 0°C to 55°C |
| Relative Humidity | 5% to 95%, Non-Condensing |
Memory Architecture and Function
The board combines EPROM firmware storage with battery-backed RAM for runtime data. Therefore, it keeps system software intact while preserving live operating values. Furthermore, 76 active components manage addressing, buffering, and bus timing tasks. Consequently, the CNC controller reads and writes data without delays.
Interface and Integration
Backplane connectors and card edge contacts link the A16B-1211-0280 to the CNC rack. As a result, program and data transfers happen through protected internal paths. Additionally, the board fits standard GE Fanuc card cages without adapters.
Power and Backup
The board draws 5 VDC at 0.8 A from the system supply rail. Moreover, a 3.6 V lithium battery preserves RAM contents during outages. Consequently, technicians avoid reloading parameters after brief power interruptions.
Installation Notes
Operators secure the board with standoffs inside the CNC control enclosure. The compact footprint suits dense rack layouts in existing cabinets. However, users should follow anti-static precautions before handling the assembly.
Details
| Weight | 2.5 kg |
|---|---|
| Dimensions | 306 × 230 × 76 mm |
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