Fanuc ai Servo Amplifier Power PCB 200VAC-input A16B-2203-0698

🔧 FANUC A16B-2203-0698 – Servo Amplifier PCB (3-Axis, Medium Power)

A16B-2203-0698 is a FANUC internal printed circuit board (PCB) used inside Alpha i (αi) 3-axis servo amplifier modules, specifically for medium-power configurations.

---

🧠 What It Is

👉 A16B-2203-0698 = Servo Drive PCB / Wiring + Control Interface Board

• Type: Internal PCB (servo drive board)
• Series: A16B-2203
• Category: Servo add-on / drive board
• Used In: 3-axis (SVM3) servo amplifiers
• Typical Match:
  • A06B-6114-H303 / C303 (20/20/20)
  • Medium-power αi servo systems

---

⚙️ Exact Function

This board is commonly described as a servo drive PCB / wiring + interface board.

🔧 It performs:

• Signal processing & control logic support inside the amplifier
• Interface communication between CNC controller and servo drive
• Internal connection routing between:
  • Control board (A20B series)
  • Power stage (IGBT/inverter)
  • Feedback systems (encoders)
• Supports multi-axis motion coordination (3 axes)

👉 In many cases, it combines:

• Control interface functions
• Wiring / interconnection functions
• Drive coordination support

---

🏭 Where It Is Used

According to service data:

• Installed inside Alpha i SVM3-20/20/20i servo amplifiers
• Found in:
  • CNC machining centers
  • Milling machines
  • Multi-axis automation systems

👉 Specifically associated with:

• 6114 series servo amplifiers (medium power, 3-axis)

---

🔍 Key Characteristics

• ✔ 3-axis support (SVM3 type)
• ✔ Medium power class (20/20/20 configuration)
• ✔ Internal PCB (not standalone module)
• ✔ Handles logic + wiring + interface functions
• ✔ Typically not supplied separately (part of full amplifier)

---

🧠 Simple Explanation

👉 A16B-2203-0698 is an internal FANUC PCB used inside a 3-axis servo amplifier to manage signal processing, communication, and internal connections for medium-power CNC axes.