ABB NTAC-01 pulse encoder interface

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Product Overview

The ABB NTAC-01 Pulse Encoder Interface is an interface module for connecting and reading pulse encoder signals in industrial automation systems.
It converts signals from incremental or absolute encoders into standard signals for controllers or servo drives, enabling high-speed, high-precision position and velocity feedback.
It is widely used in robotics, servo systems, CNC machines, and automated production lines for motion control and positioning feedback.

Technical Specifications

Model: NTAC-01
Module Type: Pulse Encoder Interface Module
Supported Encoder Types: Incremental / Absolute Encoder
Input Signals: TTL / HTL / RS422 (selectable)
Resolution: up to 65,536 PPR (pulses per revolution)
Response Time: <1 μs
Maximum Input Frequency: 500 kHz
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. 110 × 22.5 × 90 mm
Weight: approx. 0.15 kg
Certifications: CE / UL / RoHS

Features & Advantages

1. High-Precision Pulse Processing – Supports high-resolution encoders for accurate position and speed feedback.

2. High-Speed Response – Maximum input frequency up to 500 kHz, suitable for fast motion control.

3. Multi-Encoder Compatibility – Supports TTL, HTL, and RS422 signals, adaptable to various field devices.

4. Industrial-Grade Reliability – Interference-resistant design ensures long-term stable operation.

5. DIN Rail Mounting – Easy integration into control cabinets.

6. Low Power Design – Energy-efficient, suitable for continuous operation in automation systems.

Applications

• Industrial robot position feedback

• CNC machine motion control

• Servo drive systems and motion control

• Precision positioning in automated production lines

• Conveyor systems and packaging machinery

• Factory automation and data acquisition systems

Precautions

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

2. Encoder signal type must match the module configuration to avoid damage to the module or controller.

3. Use shielded cables for signal wiring to reduce electromagnetic interference.

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

5. Regularly check terminal connections and module status LEDs.

6. Use genuine ABB NTAC-01 modules to ensure system compatibility and long-term reliable operation.

The structure and details of the product：

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