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ABB 3HAC8581-5 REV.03 Serial Measurement Board — Product Datasheet

1. Product Overview

The ABB 3HAC8581-5 REV.03 Serial Measurement Board is an essential electronic module used in ABB industrial robot systems. It is responsible for capturing, converting, and transmitting serial and analog measurement signals within the robot control system. The board plays a key role in servo drive feedback, joint position detection, current measurement, and internal diagnostic communication, ensuring high precision and reliability of robot motion.

Built with industrial-grade electronic components, the module is designed to operate stably in harsh industrial environments.

2. Technical Specifications (Typical Values)

• Model: 3HAC8581-5

• Revision: REV.03

• Type: Serial Measurement Board

• Input Signals: Analog signals, encoder feedback, servo monitoring signals

• Output Interface: Serial data interface

• Operating Voltage: 24 VDC

• Signal Processing: Multi-channel high-speed data acquisition

• Communication Speed: High-speed serial communication

• PCB Material: Industrial-grade FR-4 with heat-resistant coating

• Operating Temperature: –10°C to +55°C

• Storage Temperature: –25°C to +70°C

• EMC Performance: High immunity to industrial electromagnetic interference

• Mounting: Plug-in installation inside controller

• Compatibility: ABB IRC5 and related controllers

3. Features & Advantages

1. High-Precision Measurement

Supports multiple measurement channels and delivers high-resolution signal processing.

2. Strong EMI Resistance

Designed for stable operation in environments with motors, drives, and high-power devices.

3. High Reliability

Manufactured with robust industrial components for long-term continuous operation.

4. Easy Maintenance

Plug-in modular design simplifies replacement and reduces system downtime.

5. Perfect Compatibility with ABB Systems

Optimized for ABB robot controllers, ensuring stable communication and synchronized data exchange.

6. Durable PCB Construction

Enhanced copper layer and thermal-resistant materials extend service life.

4. Application Areas

• ABB industrial robot controllers

• Servo drive feedback measurement

• Joint position, velocity, torque monitoring

• Automation monitoring systems

• Encoder and motor signal acquisition

• Internal diagnostic and serial communication

• Robot service and replacement modules

5. Precautions

1. Power off the controller before installing or removing the board.

2. Avoid direct contact with PCB to prevent static discharge; use ESD protection.

3. Ensure correct cable orientation when connecting ribbon cables.

4. Do not operate in humid or corrosive environments.

5. Make sure the board is fully seated to avoid intermittent contact.

6. For abnormal signal behavior, check wiring, cooling system, and dust accumulation.

The structure and details of the product：

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