ABB NTDI01

ABB NTDI01 Digital Input Terminal Unit

The ABB NTDI01 is a digital input terminal unit produced by ABB, widely used in industrial automation for connecting and managing digital input and output signals within control systems. Below are the detailed technical specifications of the ABB NTDI01:

1. Basic Parameters

Brand: ABB

Model: NTDI01

Type: Digital Input Terminal Unit

2. Physical Characteristics

Dimensions: 78.74 x 233.68 x 213.36 mm

Weight: 0.86 kg, 0.4 kg (net weight)

3. Electrical Characteristics

Operating Voltage: Typically 24V

Input/Output Signals:

Input signals: 16 digital inputs, 8 analog inputs (4–20 mA or 0–10 V)

Output signals: 8 digital outputs (DC 24V), 4 analog outputs (4–20 mA or 0–10 V)

Communication Interface: RS485

Operating Temperature: –20°C to +60°C (some sources indicate –40°C to +85°C)

Storage Temperature: –25°C to +70°C

Power Characteristics: Low power consumption

Frequency Characteristics: Low frequency

Rectifying Components: SCRs/thyristors

4. Application Scenarios

Compatible Systems: ABB Bailey Infi 90, Net 90, System 800xA control systems

Industries: Industrial automation, chemical, petroleum, electronics, aerospace, and electrical engineering

5. Other Parameters

Number of Channels: 16 channels

Resolution: 12-bit + sign bit

Electrical Safety: Complies with IEC 61131-2, UL 61010-1, UL 61010-2-201 standards

Summary

The ABB NTDI01 is a powerful digital input terminal unit widely used in industrial automation. Its technical specifications cover physical features, electrical characteristics, application scenarios, and safety standards, making it suitable for a wide range of industrial environments.

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