FANUC A16B-3200-0780 | R-30iB Main PCB Control Board

📌 Product Introduction

The FANUC A16B-3200-0780 is an R-30iB Main PCB Control Board designed for FANUC robotic controller systems. It serves as a central control board containing the processor, peripheral circuits, memory functions, and operator-panel control circuitry. The board supports the controller’s robot programs and configuration data and is associated with servo positioning functions. Available technical references identify A16B-3200-0780 as an R-30iB Main PCB A and FANUC ordering specification A05B-2600-H001. It is also documented as a replacement for the earlier A16B-3200-0730 main board.

FANUC A16B-3200-0780

📋 Product Datasheet

Parameter	Value
Brand	FANUC
Model	A16B-3200-0780
Series	R-30iB
Product Name	Main PCB Control Board
Place of Manufacture	Japan
Product Status	New / New Open Box / Refurbished depending on inventory
Dimensions	FANUC controller PCB format; exact dimensions should be verified before installation
Weight	Approx. 1 lb / 0.45 kg
Original Country	Japan
Power	Supplied through the FANUC R-30iB controller system
Discontinued	Legacy product; availability is primarily through replacement and surplus channels

🔧 Troubleshooting & Common Issues

• Check the board part number and revision suffix carefully before installation.

• If the controller fails to boot, inspect the board seating, connectors, memory modules, and installed daughterboards.

• For program or configuration errors, verify the memory and CPU-related modules installed on the main board.

• If servo-related faults appear after replacement, check axis control cards, communication connections, and controller configuration.

• Confirm that all optional cards installed on the original board are compatible with the replacement assembly.

• Compare the replacement board with the original board, including connectors, revision markings, and installed options.

🛡️ Safety Precautions

• Disconnect controller power before removing or installing the PCB.

• Use appropriate ESD protection when handling the board.

• Do not touch exposed ICs, connectors, or PCB contacts unnecessarily.

• Confirm controller compatibility before energizing the replacement board.

• Keep the PCB away from moisture, conductive contamination, excessive vibration, and electrostatic discharge.

• Backup robot programs and configuration data before replacing a main controller board whenever possible.

📰 Product News

The A16B-3200-0780 remains actively traded in the industrial automation surplus and repair market. Current listings identify it as an FANUC R-30iB Main PCB, with new, open-box, refurbished, and tested-used units available from different suppliers. Technical references also identify related variants such as A16B-3200-0781 and A16B-3200-0782 for specific option configurations.

❓ Common Questions & Answers

Q: What is the FANUC A16B-3200-0780?

A: It is the Main PCB A used in FANUC R-30iB robot controller systems.

Q: What controller series does it belong to?

A: The board is associated with the FANUC R-30iB controller platform.

Q: What functions does the main PCB perform?

A: It contains the microprocessor, peripheral circuitry, memory-related functions, and operator-panel control circuitry, and supports robot programs, configurations, and servo positioning functions.

Q: Is A16B-3200-0780 a complete controller?

A: No. It is the main PCB assembly rather than a complete FANUC robot controller cabinet. Additional cards or modules may be required depending on the controller configuration.

Q: Does the board include daughterboards?

A: The standard A16B-3200-0780 main-board listing generally refers to the main PCB itself; daughterboards or optional cards may need to be purchased separately.

Q: Is A16B-3200-0780 compatible with every R-30iB controller?

A: Compatibility depends on the controller configuration, board revision, installed option cards, memory, and application. Verify the complete part number before replacement.

Q: What is the relationship between A16B-3200-0780 and A16B-3200-0730?

A: Available technical references identify A16B-3200-0780 as a replacement for the earlier A16B-3200-0730 main board.

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