ABB NRAI01 analog input terminal assembly

Product Overview

The ABB NRAI01 Analog Input Terminal Assembly is an interface module for acquiring analog signals in industrial automation systems.
It converts analog signals from sensors or field devices (e.g., 0–10 V or 4–20 mA) into standard signals readable by control systems, enabling high-precision data acquisition and monitoring.
Widely used in PLCs, DCS systems, automated production lines, and process control systems.

Technical Specifications

Model: NRAI01
Module Type: Analog Input Terminal Assembly
Input Signal Types: 0–10 V / 4–20 mA
Number of Input Channels: 8 (expandable)
Resolution: 16-bit
Sampling Rate: 10 kHz
Input Impedance: ≥ 10 kΩ
Accuracy: ±0.5% F.S
Supply Voltage: 24 V DC
Power Consumption: approx. 3 W
Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +70°C
Humidity: 5%–95%, non-condensing
Protection Rating: IP20
Mounting: DIN rail
Dimensions: approx. 120 × 22.5 × 100 mm
Weight: approx. 0.25 kg
Certifications: CE / UL / RoHS

Features & Advantages

1. High-Precision Acquisition – 16-bit resolution ensures accurate signal conversion.

2. Multi-Channel Input – Supports multiple signal inputs for centralized monitoring.

3. High-Speed Sampling – 10 kHz sampling rate meets fast control requirements.

4. Standard Interface – Compatible with PLCs, DCS, and automation systems.

5. DIN Rail Mounting – Easy integration and maintenance.

6. Industrial-Grade Reliability – Interference-resistant design suitable for long-term operation.

Applications

• Analog signal acquisition for PLC and DCS systems

• Industrial automation production line monitoring

• Process control and data acquisition systems

• Signal input for robots and servo systems

• Factory control and energy management systems

• Environmental monitoring and industrial sensor signal processing

Precautions

1. Disconnect power before installation or maintenance to ensure safety.

2. Ensure input signal type complies with module specifications to avoid overload or damage.

3. Use shielded cables for signal connections to reduce interference.

4. Avoid operation in high humidity, dusty, or strong EMI environments.

5. Regularly check terminal tightness and module status indicators.

6. Use genuine ABB NRAI01 modules to ensure system compatibility and long-term reliable operation.

The structure and details of the product：

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