FANUC A06B-6114-H109 – αi Series Servo Amplifier Module for CNC Axis Control

The FANUC A06B-6114-H109 is part of the αi (alpha i) Servo Amplifier Module family. In many cases it’s used to drive one or more servo axes on FANUC CNC systems via the FSSB fiber-optic bus, sharing a DC link with an αi power supply module. From my experience, this model is selected when you want proven reliability, quick replacement in the field, and full compatibility with FANUC αi servo motors. It appears to be a solid choice for high-duty machine tools where uptime and consistent torque response matter.

Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery: 1 week if in stock; no more than one month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express Options: FedEx, UPS, DHL
• Pre-shipment Testing: Functional test and visual inspection; labeled and packed for safe transit

Key Features

• FANUC αi platform – Designed to work with FANUC CNCs over the FSSB optical bus, making commissioning and replacement typically straightforward.
• Shared DC link architecture – Connects to an αi power supply module; energy sharing across axes can reduce peak loads and, in many cases, lower heat.
• High reliability for machine tools – Robust protection (overcurrent, overheat, DC link faults); seems to be a steady performer in 24/7 shops.
• Motor compatibility – Matches FANUC αi servo motors (aiS/aiF series) with serial encoder feedback, including brake control where fitted.
• Compact footprint – Panel-mounted module suits dense control cabinets; forced-air cooling keeps thermal behavior predictable.
• Service-friendly – Clear alarm codes and replaceable cooling fan help maintenance teams keep downtime short.

Technical Specifications

Application Fields

You might notice this module most often in:

• CNC machining centers, turning centers, and grinding machines needing stable feed and spindle-axis coordination
• Robotics axes and gantry systems driven by FANUC CNC controllers
• Packaging and printing equipment where precise contouring and smooth speed control are essential
• Injection molding and metal forming lines with synchronized multi-axis motion

Advantages & Value for Procurement

• Reliability – FANUC servo amplifiers typically run for years with minimal drift; alarm logic is predictable for maintenance teams.
• Compatibility – Plug-and-play with FANUC CNCs and αi motors reduces engineering time during retrofits or urgent replacements.
• Lifecycle cost savings – Shared DC link and efficient thermal design can trim energy and cooling demands in many cases.
• Service & parts availability – Cables, fans, and connectors are standard across the αi family, which keeps spares manageable.

A maintenance supervisor told us they swapped an A06B-6114 module during a night shift on a horizontal machining line; with parameters already backed up, production was back within an hour. Not every case is that quick, but it tracks with what we see on most αi systems.

Installation & Maintenance

• Cabinet environment – Mount in an IP-rated control cabinet; keep ambient 0–55°C with adequate airflow. Leave clearance around the heatsink and fan.
• Power topology – Feed AC mains to the αi Power Supply Module; the A06B-6114-H109 connects to its DC link. Use proper bus bars and torque specs.
• Wiring & grounding – Use shielded motor/encoder cables, maintain low-impedance PE bonding, and route fiber optics away from high-noise conductors.
• FSSB setup – Daisy-chain optical links, verify node order, and check CNC parameters. A quick fiber bend-radius check often prevents random link alarms.
• Routine care – Inspect and clean fans/filters quarterly in dusty shops; re-seat connectors if you see intermittent alarms; back up CNC parameters after changes.
• Firmware – Keep versions aligned with the CNC where applicable; update only via official service tools and documented procedures.
• Safety – Isolate mains and discharge the DC link before handling. Lockout/tagout and verify zero energy, especially on multi-axis cabinets.

Supporting Components & Typical Pairings

• A06B-6117-xxxx – FANUC αi Power Supply Module (PSM) providing the shared DC link
• FANUC αi servo motors – aiS / aiF series with serial encoders and optional brakes
• FSSB fiber-optic cables – Factory-terminated fibers for CNC–amplifier links
• Motor power and encoder cables – Shielded assemblies sized to motor current and distance
• Cabinet cooling and filters – To maintain temperature and keep dust off heatsinks

Quality & Certifications

• CE compliant
• cULus recognized (typical for FANUC amplifier modules)
• RoHS compliant manufacturing
• ISO 9001 quality management at factory level
• Manufacturer’s warranty support; our provided warranty is 365 days

Note: Specific axis ratings for A06B-6114-H109 can vary by build. If you share your motor models and CNC type, we’ll confirm the exact current rating, firmware compatibility, and any cable or fiber lengths to finalize your BOM without surprises.