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PRODUCT POSITION:HOMEPRODUCT—A02B-0118-C131
A02B-0118-C131
FANUC A02B-0118-C131 Type: CNC Control Unit (Mainboard/CPU Module) Compatibility: FANUC 0/00/0-Mate Series (Legacy CNC Systems) Function: Core processing unit for machine tool control Features: Built-in PLC, servo control, and memory for ladder logic Applications: Early-model CNC lathes & milling machines Note: "C131" indicates hardware revision/spec variant
DESCRIBE
FANUC A02B-0118-C131 CNC Mainboard Parameters
Model: A02B-0118-C131
Type: Legacy CNC Main Control Unit

Key Specifications:
Compatibility:

Designed for FANUC 0/00/0-Mate Series (Legacy CNC Systems)

Core Functions:

Integrated CPU + PMC (Programmable Machine Controller)

Controls axes motion, I/O, and ladder logic execution

Supports RS-232C for data input/output

Hardware Parameters:

Processor: 16/32-bit RISC (Model-specific)

Memory:

System ROM: 512KB–1MB (Firmware storage)

SRAM: 128–256KB (Parameters/ladder backup, battery-backed)

I/O Capacity: Basic digital I/O (Expandable via modules)

Drive Interface:

Compatible with FANUC AC/DC Servo Drives (e.g., A06B-60xx series)

Supports analog ±10V or digital serial (SERVO Guide) command output

Power Requirements:

+5V DC ±5% (Typical current: 3–5A)

Backup voltage: 3V lithium battery (for SRAM retention)

Environmental Ratings:

Operating Temp: 0–55°C

Humidity: ≤75% RH (non-condensing)

Typical Applications:
Early-model CNC lathes, milling machines

Retrofit projects for legacy equipment
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