The FANUC A20B-2101-0221 05D AC Servo Motor Amplifier Module Circuit Board is the drive electronics used to power and control an AC servo motor within FANUC control systems. It accepts control signals and provides amplified output to regulate servo motor speed and position in CNC machines and other FANUC-equipped automation. Identified by part number A20B-2101-0221 and the 05D designation, this module is part of FANUC’s servo amplifier family.
