Fanuc ai Servo Amplifier 200VAC-input A06B-6117-H256

🔧 Model Overview

A06B-6117-H256 is a FANUC Alpha i (αi) dual-axis servo amplifier module used in CNC and industrial automation systems.

---

⚙️ Full Technical Description

👉 A06B-6117-H256 = Alpha i Servo Amplifier (Model AiSV-20/40L), 2-axis

• Series: Alpha i (αi) Servo System
• Type: AC Servo Amplifier / Drive
• Axes: 2-axis (L & M channels)
• Model Class: 20/40L (unequal capacity with low-speed optimization)

This module:

• Drives two servo motors simultaneously
• Controls position, speed, and torque
• Interfaces with FANUC CNC via FSSB (fiber optic servo bus)
• Provides precise motion control for machine tool axes

---

🔩 Key Specifications (Typical)

• Configuration: Dual-axis (L & M channels)
• Capacity Type:
  • L-axis → 20 class (medium load)
  • M-axis → 40 class (higher load)
• Model Variant: “L” type → optimized for low-speed, high-torque performance
• Series: A06B-6117 (αi servo amplifier family)
• Cooling: Fan-cooled (typical for αi drives)

---

🏭 Applications

• CNC machining centers
• CNC lathes
• Milling machines
• Industrial automation systems
• Machines where one axis requires higher torque than the other

---

🔍 Key Features

• ✔ Dual-axis amplifier (2 motors, one module)
• ✔ Mixed load capability (20/40)
• ✔ Low-speed torque optimization (“L” version)
• ✔ High precision and fast response
• ✔ Reliable for continuous industrial use
• ✔ Often supplied with core exchange requirement

---

📊 Position in A06B-6117 Series