ABB DSQC 266C 3HAB 8798-1/2B Drive Unit

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1. Product Overview

The ABB DSQC 266C 3HAB 8798-1/2B Drive Unit is a servo drive module used in ABB industrial robots and automation systems. It controls servo motors to achieve precise position, speed, and torque control. Working together with DSQC series control boards, rectifier boards, and servo modules, this drive unit provides high-performance closed-loop control and multi-axis coordinated motion, making it a critical component of multi-axis industrial robot motion systems.

2. Technical Specifications

• Model: DSQC 266C

• Part Number: 3HAB 8798-1/2B

• Type: Drive Unit

• Compatible System: ABB industrial robots and servo systems

• Output Power: Configurable according to servo motor specifications

• Control Type: Position, speed, torque closed-loop control

• Interface Type: Control board interface, resolver/encoder feedback interface

• Operating Temperature: 0℃ ~ +50℃

• Storage Temperature: -25℃ ~ +70℃

• Mounting: Modular installation in control or drive cabinet

• Dimensions: Modular board design

• Weight: ~2.0 kg

• Protection Degree: IP20

• Additional Features: Overcurrent protection, overvoltage protection, overtemperature protection, LED status indicators, fault alarms

3. Key Features & Advantages

1. High-performance servo drive — Supports position, speed, and torque closed-loop control for high-precision motion.

2. Multi-axis coordination — Works with other drive units and control boards for synchronized multi-axis robot control.

3. Modular design — Plug-in installation for easy maintenance, upgrade, and replacement.

4. Industrial-grade reliability — Suitable for high temperature, vibration, and long-term operation in industrial environments.

5. Multiple protection mechanisms — Overcurrent, overvoltage, and overtemperature protection ensure safe and stable operation.

6. Visual status indicators — LEDs display operational status and fault information for easy diagnostics and maintenance.

4. Typical Applications

• Servo systems in ABB industrial robots

• Multi-axis robot and automation equipment drive control

• High-precision motion control in automated production lines

• Factory automation, manipulators, and servo devices

• Automation equipment maintenance and system upgrades

5. Precautions & Recommendations

1. Power off the controller before installing or removing the drive unit to ensure safety.

2. Ensure the drive unit interfaces match the servo motor and control board.

3. Avoid high temperature, humidity, dust, or corrosive environments.

4. Secure the module firmly to prevent vibration or poor contact.

5. Installation and maintenance should be performed by qualified personnel.

6. Regularly check LED status indicators and module temperature to ensure long-term stable operation.

The structure and details of the product：

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