ABB NAIO-03 Analog I/O Expansion Board

• • • • • • • • • Product Overview

                  The ABB NAIO-03 is a high-performance Analog/Digital I/O Expansion Board designed for ABB Distributed Control Systems (DCS) and industrial automation systems.
                  It extends the system’s analog and digital input/output capabilities, allowing connection of multiple sensors and actuators for centralized monitoring and control of industrial equipment.
                  The NAIO-03 supports high-speed data acquisition and processing, featuring high accuracy, reliability, and built-in self-diagnostics for long-term stable operation in industrial environments.

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                  Key Technical Specifications

                  Parameter	Description
                  Model	NAIO-03
                  Module Type	Analog/Digital I/O Expansion Board
                  Analog Input	4–8 channels: 4–20 mA / 0–10 V / Thermocouple / RTD
                  Analog Output	2–4 channels: 4–20 mA / 0–10 V
                  Digital Input	8–16 channels, dry contact or TTL level
                  Digital Output	8–16 channels, relay or transistor output
                  Resolution	16-bit ADC/DAC
                  Accuracy	±0.1% FS
                  Response Time	<5 ms (analog output)
                  Communication Interfaces	RS-485, RS-232, Ethernet (optional)
                  Operating Voltage	24 V DC
                  Power Consumption	<12 W
                  Operating Temperature	-25°C to +70°C
                  Storage Temperature	-40°C to +85°C
                  Protection Class	IP20 (for cabinet installation)
                  Dimensions	160 × 100 × 35 mm
                  Weight	Approx. 0.6 kg
                  Certifications	CE, RoHS

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                  Advantages & Features

                  1. Expanded I/O Functionality
                     Supports both analog and digital input/output, flexibly extending system control capabilities.

                  2. High Precision and Fast Acquisition
                     16-bit resolution with rapid response, suitable for dynamic control and data acquisition.

                  3. Modular Design
                     Plug-and-play for easy installation, maintenance, and system upgrades.

                  4. High Reliability
                     Built-in self-diagnostics monitor module and I/O status in real time.

                  5. Multi-Signal Compatibility
                     Supports current, voltage, thermocouple, RTD, dry contact, and TTL signal I/O.

                  6. Strong Interference Immunity
                     Optimized circuitry ensures stable operation in complex industrial environments.

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                  Applications

                  • ABB Distributed Control Systems (DCS) analog/digital I/O expansion

                  • Industrial automation sensor acquisition and actuator control

                  • Analog and digital monitoring in power, petrochemical, chemical, and water treatment systems

                  • Automated production line control and data acquisition

                  • Remote monitoring and process management in factories

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The structure and details of the product：

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