Description

ABB NAIO‑03F 3AFE6466928 Analog I/O Extension Module

Technical Specifications

• Product Model: NAIO‑03F, 3AFE6466928
• Brand: ABB
• Warranty: One Year
• Input Voltage: 24 VDC (18‑30 VDC) module supply; powered via control unit backplane
• Operating Temperature: 0 °C ~ +55 °C rack‑mount
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Analog channel update time 2 ms typical
• Protection Class: IP20, cabinet‑only indoor installation
• Accuracy Class: ±0.2 % full span over operating temperature range
• Output Frequency: DC analog signals, AC frequency not applicable
• Channel Configuration: 6‑channel analog input; 3‑channel analog output
• Signal Types: AI: 0‑10 V, 4‑20 mA; AO: 0‑10 V, 4‑20 mA
• Resolution: 12‑bit ADC / DAC
• Galvanic Isolation: 500 V isolation between field channels and backplane logic
• Diagnostics: Channel open‑circuit / short‑circuit detection; front‑panel LED status indicators; module self‑test
• System Compatibility: ABB ACS800 series drive control unit, RMIO‑11 / RMIO‑12 boards
• Mounting: Plug‑in module for ACS800 control unit slot
• Dimensions / Weight: 130 mm × 85 mm × 30 mm; approx 0.18 kg
• 

Product Overview

The NAIO‑03F (3AFE6466928) is an analog I/O expansion module for ABB ACS800 variable‑frequency drive systems. It adds 6 analog input channels and 3 analog output channels to the main RMIO control board, enabling connection to external process transmitters, potentiometers, valve actuators and analog reference signals. The module accepts both voltage and current signals for flexible drive reference setting and process‑variable feedback collection. Built‑in channel‑level fault detection identifies open‑loop and short‑circuit conditions and feeds fault status to the drive control logic. Galvanic isolation reduces ground‑loop interference and protects drive electronics from field‑side transient surges. Compact plug‑in form‑factor fits directly into the control unit slot without extra DIN‑rail hardware. Widely used in industrial fan, pump and conveyor drive cabinets under heavy‑EMI factory‑floor environments.