Description

 

🔹 Product Introduction

The FANUC A16B-3200-0780 is the R-30iB Main PCB A used in FANUC industrial robot controller systems. It is a central controller board containing the processor, peripheral circuits, memory-related circuitry, and operator-panel control circuitry.

The board is designed for R-30iB controller applications and can accommodate associated CPU, axis-control, and FROM/SRAM modules depending on the controller configuration. The A16B-3200-0780 is also identified as a replacement for the earlier A16B-3200-0730 main board.

This PCB is an important maintenance component for FANUC robot controller repair. The exact board population and installed daughterboards can vary, so the complete part number, suffix, installed options, and original controller configuration should be checked before replacement.

 

📋 Product Datasheet

Parameter	Value
Brand	FANUC
Model	A16B-3200-0780
Series	R-30iB
Product Name	Main PCB A / Control Board
Application	FANUC Industrial Robot Controller
PCB Type	Main Controller PCB
Controller Family	R-30iB
Country of Origin	Japan
Product Status	Legacy / Discontinued Main PCB
Approx. Weight	Approx. 1 lb / 0.45 kg for the PCB reference; actual shipping weight varies
Approx. Dimensions	Approx. 6 × 4 × 2 in as listed by one industrial parts source; verify physical unit before shipment
Ordering Specification	A05B-2600-H001
Replacement Reference	Replaces earlier A16B-3200-0730
Processor / Circuitry	Microprocessor and peripheral circuitry
Memory / Storage Support	Supports compatible CPU and FROM/SRAM modules
Axis Control Support	Compatible with applicable R-30iB axis-control cards

The A16B-3200-0780 is identified specifically as an R-30iB Main PCB A, with FANUC ordering specification A05B-2600-H001.

⚠️ Dimensions and weight can vary depending on installed daughterboards and accessories. For a resale listing, use the actual measured dimensions and shipping weight of the physical unit.

 

⚙️ Main Functions

🔹 Central processing-board function for the R-30iB robot controller

🔹 Hosts processor and peripheral circuitry

🔹 Provides interfaces for compatible controller expansion cards

🔹 Supports controller memory configurations through compatible FROM/SRAM modules

🔹 Supports applicable axis-control cards

🔹 Interfaces with the robot controller’s operator-panel circuitry

🔹 Stores or manages controller programs and configuration information depending on the installed memory configuration

🔹 Provides the main hardware platform for R-30iB controller operation

The main PCB contains the microprocessor, peripheral circuits, memory circuitry, and operator-panel control circuit.

 

🧩 Compatible Board Options

The R-30iB architecture allows different option boards to be installed on the main PCB.

CPU Card Options

🔹 A20B-3300-0686 / A17B-3301-0106 — 32 MB SDRAM

🔹 A20B-3300-0687 / A17B-3301-0107 — 64 MB SDRAM

🔹 A20B-3300-0688 / A17B-3301-0108 — 128 MB SDRAM

Additional high-speed CPU configurations are also documented for the R-30iB platform.

Axis Control Card Options

🔹 A20B-3300-0664 / A20B-3300-0774 — 6-axis

🔹 A20B-3300-0663 / A20B-3300-0773 — 12-axis

🔹 A20B-3300-0662 / A20B-3300-0772 — 18-axis

🔹 A20B-3300-0661 / A20B-3300-0771 — 24-axis

🔹 A20B-3300-0660 / A20B-3300-0770 — 36-axis

These options are part of the documented R-30iB controller configuration.

 

🛠️ Operating Instructions & How to Use

1. 🔍 Confirm that the original robot controller is an R-30iB system.
2. 🏷️ Compare the complete board number, including any suffix such as /02A, /03A, or /04A.
3. 📸 Record the original board layout and installed daughterboards before removal.
4. 💾 Back up robot programs, system configuration, mastering data, and relevant controller files whenever the original controller remains accessible.
5. ⚡ Shut down and electrically isolate the robot controller.
6. 🧤 Use ESD protection when handling the PCB.
7. 🔧 Remove the original main board carefully and transfer only the compatible option cards required by the replacement configuration.
8. 🔌 Check every connector and board seating point before closing the controller cabinet.
9. ⚡ Restore controller power according to the FANUC controller startup procedure.
10. 🖥️ Check the controller display for system alarms or configuration errors.
11. 🤖 Verify robot communication, I/O, servo operation, mastering information, and program availability.
12. 🧪 Perform a controlled test cycle before returning the robot to production.

⚠️ A main PCB replacement is not simply a plug-and-play PCB swap in every R-30iB installation. Memory modules, CPU cards, axis-control cards, software configuration, and robot-specific data must be matched.

 

🔌 Power-On Sequence

A suitable maintenance startup sequence is:

1. 🔧 Confirm all PCB modules and connectors are correctly seated.
2. 🧰 Confirm cabinet wiring and grounding.
3. 💾 Confirm that required robot configuration and backup data are available.
4. ⚡ Restore controller input power.
5. ⏳ Allow the R-30iB controller to initialize.
6. 🖥️ Check the teach pendant for startup messages and alarms.
7. 🔍 Verify controller software and configuration information.
8. 📡 Check I/O and communication status.
9. 🦾 Verify servo-system status before enabling motion.
10. 🧪 Perform a low-speed controlled robot test.
11. ✅ Confirm normal operation before production release.

 

🔻 Power-Off / Shutdown Sequence

1. 🛑 Stop the robot using its normal controlled stop procedure.
2. 🤖 Confirm that all robot axes are stationary.
3. 💾 Save required programs and configuration data.
4. 🔕 Disable automatic production operation.
5. ⚡ Turn off controller power using the normal controller shutdown procedure.
6. 🔌 Isolate the controller from the electrical supply.
7. ⏳ Wait for the controller to fully discharge.
8. 🧤 Apply ESD protection before opening the cabinet.
9. 🔧 Remove the main PCB only after confirming electrical isolation.
10. 📦 Protect the removed PCB in an antistatic package.

 

📖 Product Usage Notes

The A16B-3200-0780 should be regarded as the main PCB of an R-30iB robot controller, not as a conventional PLC CPU.

One important point when sourcing this board is that the same base part number can appear with different board populations. For example, listings and industrial references may show variants such as A16B-3200-0780/02A, /03A, or /04A. Therefore, the complete marking on the physical PCB should be compared before ordering.

The standard A16B-3200-0780 is associated with the R-30iB main-board configuration. Related alternatives include A16B-3200-0781 and A16B-3200-0782 for configurations involving force-sensor and high-speed communication options.

🔍 Before Replacement

Check:

🔹 Complete part number

🔹 Revision / suffix

🔹 CPU card

🔹 Axis-control card

🔹 FROM/SRAM module

🔹 Robot controller model

🔹 Software version

🔹 Robot application configuration

🔹 Communication options

🔹 Force-sensor options

🔹 High-speed communication options

🔹 Existing alarm codes

 

🧪 Recommended Inspection Procedure

For an industrial spare PCB, inspect the board before installation:

🔍 Check the FANUC identification label.

🔍 Confirm A16B-3200-0780 marking.

🔍 Inspect PCB traces and connectors.

🔍 Check for corrosion or oxidation.

🔍 Inspect capacitors and other visible components.

🔍 Check for overheating or burn marks.

🔍 Confirm daughterboard mounting positions.

🔍 Inspect edge connectors for damage.

🔍 Verify installed memory and CPU cards.

🔍 Perform a controlled controller test before shipment whenever suitable test equipment is available.

A number of industrial suppliers identify this board as a testable/repairable R-30iB main PCB, but the actual condition of a particular unit should be stated separately as new, new surplus, used, tested, or refurbished.

 

❓ Common Questions & Answers

Q: What is FANUC A16B-3200-0780?
A: It is the R-30iB Main PCB A used as the main controller board in FANUC robot controller systems.

Q: What robot controller does it belong to?
A: It is designed for the FANUC R-30iB controller family.

Q: Is A16B-3200-0780 a CPU board?
A: It is the main PCB and contains the controller’s primary processor/peripheral architecture, but compatible CPU cards can also be installed on the main board depending on configuration.

Q: Is this the complete R-30iB controller?
A: No. It is the main PCB. A complete controller requires additional hardware such as CPU/memory modules, axis-control hardware, power supply, cabinet components, and other configuration-specific parts.

Q: Does it include daughterboards?
A: Not necessarily. The base A16B-3200-0780 reference identifies the main PCB. Daughterboards and option cards must be confirmed separately.

Q: What is A05B-2600-H001?
A: It is the FANUC ordering specification associated with the A16B-3200-0780 R-30iB Main PCB A.

Q: What board did A16B-3200-0780 replace?
A: It is documented as replacing the earlier A16B-3200-0730 main board.

Q: Can A16B-3200-0780 replace A16B-3200-0730 directly?
A: It is documented as the replacement main-board reference, but the complete controller configuration should still be checked before installation.

Q: Are A16B-3200-0781 and A16B-3200-0782 the same board?
A: They are related R-30iB main-board variants. The documented 0781 and 0782 versions correspond to additional force-sensor and, for 0782, high-speed communication options.

Q: What should I check before buying this PCB?
A: Check the complete board number, revision suffix, robot controller model, installed CPU card, axis-control card, FROM/SRAM module, connectors, and existing configuration.

Q: Is A16B-3200-0780 discontinued?
A: Industrial parts references currently identify it as a discontinued FANUC main PCB, so it is generally sourced through replacement, surplus, used, or repair channels.

 

⭐ Recommended FANUC Models / Series

1. FANUC R-30iB — Robot Controller System
2. FANUC R-30iA — Earlier Generation Robot Controller
3. FANUC R-30iB Plus — Advanced R-30iB Controller Platform
4. FANUC R-30iB Mate — Compact Robot Controller
5. FANUC R-30iB Mate Plus — Compact Controller Platform
6. FANUC A16B-3200-0781 — R-30iB Main PCB with Force Sensor Option
7. FANUC A16B-3200-0782 — R-30iB Main PCB with Force Sensor / High-Speed Communication Option
8. FANUC A16B-3200-0730 — Earlier R-30iB Main PCB
9. FANUC A20B-3300-0686 — R-30iB CPU/SDRAM Board Option
10. FANUC A20B-3300-0664 — R-30iB 6-Axis Control Card Option

 

📦 Replacement & Storage Notes

For storage and shipment, the PCB should be placed in an ESD-safe antistatic bag with suitable cushioning. Avoid touching exposed connector contacts or electronic components.

For a replacement order, provide photographs of:

📸 Front of the PCB

📸 FANUC identification label

📸 Complete part-number suffix

📸 Installed daughterboards

📸 CPU card

📸 Axis-control card

📸 FROM/SRAM module

This information helps determine whether the supplied A16B-3200-0780 matches the customer’s existing R-30iB controller configuration.

Recommended listing title:
FANUC A16B-3200-0780 | R-30iB Main PCB Control Board

★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★
One year warranty, special discount after sale
The company focuses on DCS, PLC, robot, large servo four systems
The main products are all kinds of module/card, controller, touch screen, servo drive
The company's advantages: the supply of imported original products, professional production of accessories
Fast delivery time, complete supply, The seller has more than $1526000 worth of industrial control products inventory
We Can transport to the world！！！
——————————————————————————————————————
[service contact information]
Purchase and consultation hotline: +8613365909307 (Whatsapp/ Wechat)
E-mail: dcsplcsales@gmail.com
Contact Person: Simon
① 24-hour email reply (12 hours);
② For shipment to countries outside Asia, please contact the seller.
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
Related Products：