FANUC A06B-6050-H104 Servo Drive Compact

Product Introduction

The FANUC A06B-6050-H104 servo drive delivers reliable torque and speed control for AC servo motors across various industrial applications. This compact unit belongs to FANUC's 20/30 type family, known for balanced performance and physical footprint. It supports CNC machining centers, lathes, and general-purpose motion systems requiring precise axis positioning. Furthermore, the drive operates within a 0°C to 40°C ambient temperature range, covering most indoor factory conditions. Its 5G vibration tolerance ensures stable operation near stamping or milling equipment. Additionally, the altitude rating of 1000 metres above sea level makes it suitable for installations in elevated regions. Many system integrators appreciate this model for its straightforward setup and compatibility with existing FANUC servo motor families.

Technical Specifications

The A06B-6050-H104 functions as an AC servo drive, converting DC bus power into regulated 3-phase AC output for synchronous or induction motors. This unit follows the 20/30 type designation, indicating its current capacity and physical mounting dimensions. Its operating temperature range spans 0°C to 40°C (32°F to 104°F), with full-rated output available throughout this band. Vibration tolerance reaches 5G (peak) across 10-55 Hz, ensuring reliable performance in moderately harsh environments. Moreover, the maximum altitude rating is 1000 metres without derating – above this level, output current should be reduced by 1% per 100 metres. The drive supports both CNC applications (axis control) and standalone servo motor driving for positioning tables, feeders, and conveyors. Its compact design minimizes cabinet space requirements while maintaining adequate heat dissipation through natural convection or optional forced air.

Mechanical & Environmental Parameters

This FANUC servo drive weighs 8.62 kg (19.00 lbs), allowing single-person handling during installation and maintenance. The unit's dimensions conform to a 20/30 type footprint, compatible with standard 19-inch rack mounting or direct panel installation. Operating ambient humidity ranges from 30% to 95% (non-condensing), suitable for diverse geographic locations. The enclosure provides IP20 protection, necessitating installation inside a control cabinet with proper ingress protection. For cooling, the drive relies on natural convection – no integrated fan is included, so cabinet ventilation must dissipate approximately 180W of heat at full load. Additionally, the drive tolerates short-term temperature excursions up to 50°C for up to one hour, though continuous operation above 40°C is not recommended without derating. Mounting orientation should be vertical with the heat sink fins aligned for upward airflow.

Installation Guidelines

Before installing the A06B-6050-H104, confirm that the DC bus supply matches the drive's input voltage requirements (typically 283-339 VDC from an ALPHA power supply). First, mount the drive vertically on a flat, grounded panel using M5 screws through the four corner slots – apply 3.0 N•m torque. Next, connect the DC input terminals (P and N) with cables rated for at least 20 A, using crimped ring terminals. Remember to wire the motor output terminals (U, V, W) to the servo motor's power connector, respecting phase order for correct rotation. Additionally, connect the encoder feedback cable (JX2 or JY4 connector) to the CNC control board for position/speed loop closure. For the I/O interface, wire the emergency stop, enable, and alarm reset signals per the FANUC standard pinout. Finally, power on the DC bus and perform a test run at low speed (100 RPM) to verify proper commutation and direction.

Packaging List

• 1 x FANUC A06B-6050-H104 Servo Drive (20/30 type, compact)

• 1 x Front terminal cover (pre-attached)

• 1 x Control signal connector plug (20-pin)

• 1 x Mounting screw kit (M5 x 4 pieces)

Note: No DC bus cables, motor power cables, encoder cables, or mounting brackets are included. Certificates and warranty documents are not provided in this package.

Frequently Asked Questions (FAQ)

1. Which servo motors are compatible with the FANUC A06B-6050-H104?
This drive supports FANUC αi, α, and β series AC servo motors with rated currents matching the drive's capacity – typical models include αiS 3/4, αiS 6, and αiF 4/6 series.

2. Can the A06B-6050-H104 be used in non-CNC applications?
Yes, it can operate as a standalone servo drive for indexing tables, winding machines, and conveyor positioning systems when paired with a suitable FANUC motion controller or PLC.

3. What is the maximum output frequency of this FANUC servo drive?
The A06B-6050-H104 typically supports output frequencies up to 200 Hz for standard motors, though higher frequencies may be achievable with specialized motor parameters – consult the manual for exact limits.

4. How do I handle the A06B-6050-H104 if my cabinet temperature exceeds 40°C?
Install a forced-air cooling fan directing airflow across the heat sink, or derate the output current by 5% per °C above 40°C – do not operate above 50°C under any condition.

5. Is the A06B-6050-H104 compatible with 400 VAC power systems?
No – this drive requires DC input from a 200 VAC-class power supply. For 400 VAC systems, use FANUC's high-voltage drives (A06B-62xx with "-H5xx" suffix).