Order now the A06B-6100-H001 — Atlantechdrives provides this FANUC 6-Axis Servo Drive, the complete servo amplifier unit for FANUC robot systems operating at 200–230 VAC. A critical replacement drive for restoring full 6-axis servo capability to FANUC robot installations. Express worldwide delivery with 12-month warranty.
What Is the A06B-6100-H001?
The A06B-6100-H001 is a FANUC 6-Axis Servo Drive — a complete, integrated servo amplifier unit designed to drive all six joint axes of a FANUC industrial robot simultaneously from a single enclosure. Unlike the modular Alpha SVM series (A06B-6096) where individual amplifier modules are combined on a shared DC bus, the A06B-6100-H001 is a stand-alone integrated drive unit containing all six axis drive channels, the DC bus power section, and the control interface within a single housing. The unit accepts 200–230 VAC 3-phase input (50/60 Hz) and delivers a maximum output voltage of 230V to the servo motors of the connected robot axes. It is manufactured in Japan by FANUC Ltd. and weighs approximately 39 lbs (approximately 17.7 kg), reflecting the substantial power electronics required for 6-axis simultaneous drive capability. The A06B-6100-H001 belongs to the A06B-6100 series of FANUC robot servo drive units, used in earlier generations of FANUC robot controllers including R-J3 and R-J3iC variants. The series includes the H001 (6-axis), H002, and H003 variants covering different axis current rating configurations. This integrated servo drive design was common in FANUC robot systems prior to the R-30iA generation, which moved to the modular servo amplifier architecture (A06B-6107 series) used in later robot generations.
Key Technical Specifications
- Part Number: A06B-6100-H001
- Description: 6-Axis Servo Drive Unit
- Series: A06B-6100 (FANUC Robot Servo Drive)
- Number of Axes: 6 (J1 through J6)
- Rated Input Voltage: 200–230 VAC, 3-phase, 50/60 Hz
- Maximum Output Voltage: 230 VAC
- Compatible Controllers: FANUC R-J3, R-J3iC
- Weight: approx. 39 lbs (17.7 kg)
- Country of Origin: Japan
- Manufacturer: FANUC Ltd., Oshino-mura, Yamanashi, Japan
- Successor Unit: A06B-6107-H001 (R-30iA generation)
- Status: Discontinued — available as surplus/replacement part
R-J3 and R-J3iC Robot Controller Compatibility
The A06B-6100-H001 is the servo drive unit for FANUC robots controlled by R-J3 and R-J3iC robot controllers — the controller generations that preceded the R-30iA. R-J3 controllers were the standard platform for FANUC robots from approximately the late 1990s through the mid-2000s, and R-J3iC was the updated variant introducing improved software features and hardware revisions while maintaining the same fundamental drive architecture. Robots using the A06B-6100-H001 include models from the R-2000 series, M-16i, M-6iB, M-710i, S-series, and other FANUC robot families of that generation. The A06B-6100-H001 communicates with the R-J3/R-J3iC controller CPU via the FSSB (FANUC Serial Servo Bus) optical fiber interface — the same bus architecture used in later amplifier generations — making it fundamentally compatible with the FANUC servo communication standard. The fact that FANUC subsequently replaced the A06B-6100 integrated drive with the A06B-6107 modular design for the R-30iA generation reflects a design evolution toward modularity rather than a fundamental change in servo technology. Many R-J3 and R-J3iC robots are still operating in automotive, metal forming, and general assembly applications globally, generating sustained demand for A06B-6100-H001 replacement units as the installed base ages.
Installation Advice
Before replacing the A06B-6100-H001 in a running robot cell, perform a complete backup of all robot programs, system variables, mastering data, and I/O configuration using the R-J3iC controller’s memory card or USB backup function — a servo drive replacement does not affect controller memory, but having a verified backup before any hardware intervention is essential practice. When removing the A06B-6100-H001, note the cable harness routing carefully — the 6-axis servo drive has numerous motor power cables, encoder cables, and control signal connectors that must be reconnected in the correct positions on the replacement unit. Label each cable with its axis number before disconnection to eliminate reconnection errors. After installing the replacement A06B-6100-H001 and powering up, perform a controlled jog test of each axis individually at low speed before attempting any programmed motion — verify that each axis moves in the correct direction and that position feedback increments correctly on the R-J3iC teach pendant. Note that if the robot’s absolute pulse coder (encoder) battery was interrupted during the drive replacement, a full mastering calibration (zero-point restoration) must be performed before the robot can be used in production — refer to the FANUC R-J3iC Maintenance Manual (B-81525EN) for the mastering procedure specific to your robot model.
Frequently Asked Questions
Q: Is the A06B-6100-H001 compatible with the R-30iA controller, or only with R-J3 and R-J3iC?
A: The A06B-6100-H001 is designed for and compatible with R-J3 and R-J3iC robot controllers. It is not directly interchangeable with the R-30iA, which uses the A06B-6107-H001 servo amplifier (a different modular architecture). Upgrading from R-J3iC to R-30iA requires replacing the complete servo drive system, not just swapping the drive unit.
Q: What FANUC robot alarms indicate a failure in the A06B-6100-H001 servo drive?
A: Drive-level failures typically generate SRVO-001 (servo not ready — one or more axes have lost servo enable), SRVO-004 (servo drive hardware fault — internal drive error), and axis-specific alarms such as SRVO-044 (HVAL — DC bus overvoltage) or SRVO-045 (HCAL — overcurrent on a specific axis). A fault in the integrated power section typically affects multiple axes simultaneously, which distinguishes a drive unit failure from an individual axis motor or encoder fault.
Q: What is the difference between A06B-6100-H001, H002, and H003?
A: All three are 6-axis servo drive units in the A06B-6100 series for R-J3/R-J3iC controllers, but with different axis current rating configurations to match different robot models and payload capacities. The H001 is the base variant; H002 and H003 have different internal axis current ratings for higher-payload robot models with larger servo motors requiring higher sustained current. Always verify which variant is installed in your controller before ordering — this information is on the drive unit’s nameplate.
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