GE Fanuc A20B-2101-0390 Alpha i PSM Power Supply Board Voltage Attenuator Card enabling real-time data collection and

enabling real-time data collection and storage for fault tracing and system analysis

Normal Mode Rejection Ratio

ensuring they are shielded and properly bonded to the cabinet ground to minimize electromagnetic interference

ensuring efficient data handling and reliable system performance

GE Fanuc A20B-2101-0390 Alpha i PSM Power Supply Board Voltage Attenuator Card enabling real-time data collection andThe GE Fanuc A20B 2101 0390, also cataloged as the A20B 2101 Power Supply PCB, operates as a dedicated hardware component for AC line noise filtering and internal DC voltage regulation within Fanuc Alpha i PSM high power servo drive systems. It conditions raw three phase AC power, suppresses high frequency line harmonics, and distributes regulated low voltage DC rails to onboard control logic and gate drive circuits without signal degradation.