The A16B-1211-0901/12B serves as the main control board inside GE Fanuc CNC assemblies. This printed circuit board measures roughly 11.8 inches long, 1.2 inches wide, and 6.7 inches high. Moreover, it weighs about 1.4 pounds, which suits standard rack installation. Engineers specify the A16B-1211-0901/12B when they need a dependable foundation for axis and logic control functions.
Technical Specifications and Interface Details
The board hosts the primary control circuitry and therefore coordinates processing across installed option cards. Specifically, it carries dense component placement with integrated circuits, resistors, and capacitors. Additionally, multiple slot connectors link daughter boards to the host backplane. Keyed guides align every card correctly during insertion.
| Parameter | Specification |
|---|---|
| Module Type | Printed Control Circuit Main Board |
| Function | Primary control and coordination |
| Component Count | 100+ discrete parts |
| Dimensions | 11.8 x 1.2 x 6.7 in |
| Weight | ~1.4 lbs |
| Connectors | Backplane slot connectors |
| Mounting | FANUC CNC rack |
| Logic Level | 5 VDC |
Energy Storage and Signal Integrity
Internal capacitors on the A16B-1211-0901/12B provide local energy storage for stable rail voltages. Consequently, the board supplies clean power to every connected option card. This buffering also limits crosstalk between high-speed data lines. The design therefore supports consistent operation across demanding machining cycles.
Installation and Compatibility Notes
Because the A16B-1211-0901/12B slides into standard GE Fanuc racks, technicians complete replacement quickly. They should verify slot alignment before they seat daughter cards. Furthermore, routine inspection of edge contacts prevents intermittent signal faults. Always store spare boards in anti-static packaging to protect sensitive components.
Details
| Weight | 1.5 kg |
|---|---|
| Dimensions | 278 × 194 × 42 mm |
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