ABB UAC326AE01 HIEE401481R1 (English)

Basic Identification

Model: UAC326AE01

Part Number: HIEE401481R1

Manufacturer: ABB

Product Type: Excitation Main I/O Board / High‑Performance Analog & Digital I/O Module

Applicable System: ABB Power Excitation Systems, AC 800M, System 800xA

General Description

UAC326AE01 (HIEE401481R1) is a high‑precision multifunction I/O board designed for generator excitation control and heavy‑duty process automation. It provides analog/digital I/O, signal conditioning, and high‑speed data acquisition for excitation systems, serving as the main interface between the controller and field sensors/actuators.

Technical Specifications

I/O Channels

Analog Inputs (AI): 8 ch (high‑resolution, 4–20 mA / ±10 V)

Analog Outputs (AO): 8 ch (4–20 mA / ±10 V)

Digital Inputs (DI): 16 ch (24 VDC, sink/source)

Digital Outputs (DO): 16 ch (relay/transistor, 24 VDC)

Communication

Protocols: Modbus/TCP, Profinet, EtherNet/IP, RS‑232/RS‑485

Interface: Ethernet ×1, Serial ×2

Electrical

Supply Voltage: 24 VDC (19.2–31.2 VDC)

Power Consumption: Max 12 W

Environmental

Operating Temperature: −20 °C … +70 °C

Storage Temperature: −40 °C … +85 °C

Humidity: 5%–95% RH, non‑condensing

Protection Class: IP20 (module)

EMC: Industrial grade, CE/UL/CSA certified

Mechanical

Dimensions (H×W×D): 120 × 80 × 23 mm

Weight: ~0.2 kg

Mounting: ABB standard rack / DIN rail

Key Features

Excitation System Optimized: Designed for generator excitation control, with high accuracy and fast response。

High‑Speed Sampling: 100 kHz sampling rate for analog channels, suitable for dynamic signal acquisition。

Multi‑Protocol Support: Seamless integration with ABB and third‑party controllers via Ethernet/serial protocols。

Diagnostics & LED Indicators: Comprehensive online fault diagnosis and status LEDs for quick troubleshooting.

Modular & Hot‑Swappable: Easy installation, replacement, and maintenance without system shutdown.

Harsh Environment Resilience: Wide temperature range and robust EMC performance for power, oil/gas, and metallurgy industries。

Compatibility

Systems: ABB Excitation Systems, AC 800M, System 800xA

Engineering Tools: Control Builder M, 800xA Engineering

Applications: Power generation (excitation), process control, motion control, and industrial automation。