A02B-0285-B801 | FANUC 21/210i-B CNC Controller Basic Unit, Stand-Alone 1-Slot
GE Fanuc · PLCs & Industrial Controllers
Description The FANUC A02B-0285-B801 is a 21/210i-B CNC controller basic unit designed for high-performance machine tool applications. This stand-alone controller provides reliable processing power, fan-assisted cooling, and flexible connectivity options for advanced CNC operations. Technical Specifications Condition New/Never Used Surplus Brand FANUC Category Servo Products Part Number A02B-0285-B801 Subcategory Servo Drive/Servo Control Product Series 21/210i-B Unit Type 1-Slot Stand-Alone Basic Unit Mounting Separate display (non-LCD type) Cooling Method Integrated fan motor, bottom intake/top exhaust Battery Support Internal lithium battery / 2× D-cell alkaline batteries (external) Program Memory Flash ROM (128 KB standard, expandable up to 768 KB depending on option) Ladder Levels 2–3 (depending on configuration) Instruction Execution 5 µs per step Max Program Size Up to 12,000–64,000 steps (depending on configuration) I/O Points Supported Up to 2,048 max Connectivity HSSB intelligent terminal slot, diagnostic spare connector Operating Temperature 0–45 °C Storage Temperature -20–60 °C Weight 3.51 lbs (approx.) Information About A02B-0285-B801 The A02B-0285-B801 is part of the FANUC 21/210i-B control series and serves as a stand-alone basic controller unit. It is designed for use in CNC machine tools and supports integration with intelligent terminals via an HSSB interface. The unit includes a built-in cooling fan for thermal stability and provides easy service access for PCB and fan replacement. Power is backed by either an internal lithium battery or external alkaline cells, ensuring operational reliability even in continuous duty environments. Key Features: Stand-Alone Basic Unit: Designed for the FANUC 21/210i-B CNC series. Cooling System: Integrated fan motor with bottom intake and top exhaust airflow. Serviceability: Accessible design for replacing fan motor and printed circuit boards. Battery Options: Supports lithium internal battery or dual D-cell alkaline batteries in external case. Intelligent Terminal Connection: HSSB interface slot allows advanced connectivity. Spare Connector: Built-in connector available for diagnostics and testing. Durable Construction: Built for continuous CNC operations in industrial environments. Compatibility: Works with multiple CNC machine types requiring Series 21i/210i-B control. The A02B-0285-B801 delivers the reliability and precision required for CNC machining and industrial automation systems.
Brand: GE Fanuc · Category: PLCs & Industrial Controllers
Key features
- Stand-Alone Basic Unit: Designed for the FANUC 21/210i-B CNC series.
- Cooling System: Integrated fan motor with bottom intake and top exhaust airflow.
- Serviceability: Accessible design for replacing fan motor and printed circuit boards.
- Battery Options: Supports lithium internal battery or dual D-cell alkaline batteries in external case.
- Intelligent Terminal Connection: HSSB interface slot allows advanced connectivity.
- Spare Connector: Built-in connector available for diagnostics and testing.
- Durable Construction: Built for continuous CNC operations in industrial environments.
- Compatibility: Works with multiple CNC machine types requiring Series 21i/210i-B control.
Specifications
| Manufacturer part number | A02B-0285-B801 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | FANUC |
| Category | Servo Products |
| Part Number | A02B-0285-B801 |
| Subcategory | Servo Drive/Servo Control |
| Product Series | 21/210i-B |
| Unit Type | 1-Slot Stand-Alone Basic Unit |
| Mounting | Separate display (non-LCD type) |
| Cooling Method | Integrated fan motor, bottom intake/top exhaust |
| Battery Support | Internal lithium battery / 2× D-cell alkaline batteries (external) |
| Program Memory | Flash ROM (128 KB standard, expandable up to 768 KB depending on option) |
| Ladder Levels | 2–3 (depending on configuration) |
| Instruction Execution | 5 µs per step |
| Max Program Size | Up to 12,000–64,000 steps (depending on configuration) |
| I/O Points Supported | Up to 2,048 max |
| Connectivity | HSSB intelligent terminal slot, diagnostic spare connector |
| Operating Temperature | 0–45 °C |
| Storage Temperature | -20–60 °C |
| Weight | 3.51 lbs (approx.) |
| Product type | Servo Drive/Servo Control |
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