Description
Technical Parameters
- Part Number: 3HNA024871-00102
- Model: ACU-01B (Axis Control Unit)
- Manufacturer: ABB
- System Series: IRC5 Robot Controller
- Input Voltage: 24 VDC (Internal Logic Power)
- Communication: Ethernet / DeviceNet / Safety Bus
- Drive Interface: Links to DSQC series drive modules
- Compatibility: M2004 and later IRC5 controller generations
Product Description
The ABB ACU-01B (3HNA024871-00102) is a core axis control unit used within the IRC5 robot controller series. It acts as the primary interface between the main computer (Main CPU) and the power electronics (Drive Units). The ACU-01B is responsible for processing high-speed motion commands and converting them into precise control signals for the robot’s motors.
This module belongs to the “Small Tough” or “Compact” controller variants but is also found in larger M2004 cabinets. It manages the synchronization of multiple axes, ensuring fluid and accurate movement. The -00102 suffix typically denotes a specific revision or firmware baseline compatible with the DSQC power modules utilized in standard 6-axis industrial robots like the IRB 140, IRB 1600, or IRB 2400.
ABB ACU-01B 3HNA024871-00102
ABB ACU-01B 3HNA024871-00102
Application Areas
- Robotic Welding: Precise path tracking for arc and spot welding applications.
- Material Handling: Managing high-speed pick-and-place movements with synchronized axis control.
- Painting & Coating: Smooth motion control for consistent spray patterns.
- Assembly Automation: Used in automotive and electronics assembly lines for high-accuracy positioning.
Product Specifications
- Weight: 0.75 kg
- Dimensions: 165 mm x 130 mm x 45 mm
- Mounting: Integrated within the IRC5 Drive System rack
- Cooling: Forced air (via controller cabinet fans)
- Country of Origin: Sweden / China
Operating Precautions
- Static Sensitivity: This unit contains sensitive microprocessor components. Always use an ESD wrist strap during installation or when handling the module outside of the controller cabinet.
- Firmware Matching: When replacing an ACU-01B, verify that the RobotWare version installed on the main computer is compatible with the hardware revision of the axis control unit to avoid “Motion Supervision” errors.
- Cable Integrity: Ensure the high-speed communication cables (typically Ethernet or specialized ribbon cables) are fully seated and latched. Vibration in industrial environments can occasionally loosen these connections, leading to “Drive System Communication” faults.
- Power Down: Never remove or insert the ACU-01B while the IRC5 controller is powered on. Doing so can cause electrical arcing that may damage the backplane or the drive modules.
Recommended Similar Products
| Model Number | Product Description | System Series |
| DSQC639 | Main Computer Unit | IRC5 M2004 |
| DSQC663 | Drive Unit | IRC5 Series |
| 3HNA024871-001 | ACU-01 (Earlier Revision) | IRC5 M2004 |
| DSQC611 | FlexPendant Interface | IRC5 Series |
| 3HAC025338-001 | IRC5 Power Supply | IRC5 Series |
