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FANUC A20B-8100-0430

Product Name:​ FANUC PROFIBUS-DP Master Board
Product Introduction:​ The FANUC A20B-8100-0430 is a PROFIBUS-DP master communication board designed for FANUC Series 16i, 18i, and 21i CNC controls. It enables connectivity between the CNC system and factory automation devices using the PROFIBUS-DP protocol.

Detailed content

Technical Specifications:
Parameter
Value
Manufacturer
FANUC
Part Number
A20B-8100-0430
Product Type
PROFIBUS-DP Master Board
Compatible Controls
Series 16i, 18i, 21i
Protocol
PROFIBUS-DP
Mounting
Secondary slot on riser from main i-series control PCB
Weight
Approx. 1 kg
Dimensions
37 × 28 × 5 cm (approx.)
Functional Features:
  • Acts as PROFIBUS-DP master in CNC control architecture
  • Enables communication between CNC and factory devices (PLCs, drives, sensors)
  • Supports expansion for multi-spindle, additional CPUs, and communication interfaces
  • Fits in riser slot allowing conventional integrated controls to expand capabilities
Structural Characteristics:
  • PCB mounts on riser board extending from main CPU board
  • Integrated bus interface circuitry
  • Multi-layer surface-mount construction
Installation Requirements:
  • Install in secondary slot on riser board
  • Ensure compatibility with control model and software version
  • Verify PROFIBUS-DP option is enabled in system parameters
Usage Notes:
  • Board must match exact control generation and software version
  • Some installations require additional FANUC software option activation
  • GSD file may be needed for PLC/master configuration
  • Handle with ESD precautions

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