The A20B-2900-0110/06A manages servo drive control inside GE Fanuc CNC and amplifier assemblies. This daughter board measures roughly 9.8 inches long, 0.9 inches wide, and 5.9 inches high. Moreover, it weighs about 1.0 pound, which suits standard rack installation. Engineers specify the A20B-2900-0110/06A when they need dependable current regulation for accurate axis motion.
Technical Specifications and Interface Details
The card processes velocity and torque commands and therefore regulates current output to servo motors. Specifically, it carries dedicated circuitry for feedback conditioning and pulse-width modulation. Additionally, multiple connector headers link the card to the host amplifier board. Front-panel LEDs reveal run and fault status during service.
| Parameter | Specification |
|---|---|
| Module Type | AC Servo Drive Daughter Board |
| Function | Servo current and motion regulation |
| Command Input | Velocity and torque signals |
| Feedback | Encoder and resolver inputs |
| Dimensions | 9.8 x 0.9 x 5.9 in |
| Weight | ~1.0 lb |
| Connectors | Backplane headers |
| Mounting | FANUC CNC rack |
Energy Storage and Drive Stability
Internal capacitors on the A20B-2900-0110/06A provide substantial energy storage for smooth current delivery. Consequently, the board suppresses ripple that could disturb motor torque output. This buffering supports stable acceleration and deceleration profiles. The design therefore maintains consistent machining quality across long production runs.
Installation and Compatibility Notes
Because the A20B-2900-0110/06A slides into standard GE Fanuc racks, technicians complete replacement quickly. They should verify connector alignment before they apply power to the system. Furthermore, routine inspection of edge contacts prevents intermittent drive 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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