Overview
The ABB 3HAC029157-001/08, also cataloged as the DSQC668 Axis Computer, processes axis control functions within compatible ABB robotic control systems. It supports the exchange of control data required for coordinated servo-axis operation. The supplied identification associates this unit with the DSQC668 axis computer; detailed communication interfaces and axis capacity require confirmation against the applicable hardware revision.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSQC668 |
| Spare Part Number | 3HAC029157-001 |
| Revision / Variant | 3HAC029157-001/08 |
| Brand | ABB |
| Product Type | Axis Computer |
| System | ABB Robotics |
| Core Function | Servo-axis control processing |
| Axis Control | Typically 4-6 axes, as supplied; verify by configuration |
| Power Supply | 24 VDC, +/- 10%, as supplied |
| Operating Temp | 0 to 55 deg C, as supplied |
| Origin | Sweden |
| Weight | 0.58 kg |
| Dimensions | 26.8 x 14.8 x 2.8 cm (estimated shipping size) |
| HS Code | 8537101190 |
Servo Axis Control and System Communication
The DSQC668 operates as an axis computer in an ABB robotic control architecture. Its control role involves processing axis-related data and coordinating with compatible controller and drive hardware.
- Axis coordination: The stated capacity is typically 4-6 axes. Actual supported configurations depend on the controller architecture and installed hardware.
- Servo drive interaction: Axis control requires compatible drive hardware, feedback devices, and configured control parameters.
- System compatibility: Hardware revision, controller type, firmware version, and system configuration should be checked before replacement.
- Firmware compatibility: Confirm the target controller’s supported hardware and firmware combination before installing a replacement unit.
The available information does not establish the module’s exact bus protocol, connector pinout, current consumption, or firmware compatibility matrix. These values should be verified using the applicable ABB documentation.
Frequently Asked Questions (FAQ)
Q: Is the DSQC668 a servo drive?
A: The DSQC668 is identified as an axis computer, not a standalone servo drive. The servo drive provides motor power conversion, while the axis computer performs axis-related control processing within the compatible control system.
Q: Can the DSQC668 control six axes in every configuration?
A: Not necessarily. The supplied data states a typical capacity of 4-6 axes. Confirm the supported axis count against the controller model, hardware configuration, and applicable ABB documentation.
Q: Can revision 3HAC029157-001/08 replace every DSQC668 unit?
A: Not without compatibility verification. Check the complete part number, hardware revision, controller configuration, and firmware requirements before replacement.
Field Installation Guidelines
- Isolate power: Follow the machine manufacturer’s shutdown and lockout procedures before removing or installing the axis computer.
- Verify identification: Compare the existing unit’s model, part number, revision, and connector arrangement with the replacement.
- Inspect connectors: Check connector condition, contact alignment, and signs of contamination or mechanical damage before installation.
- Control electrostatic discharge: Use appropriate ESD protection when handling circuit boards and exposed electronic assemblies.
- Check wiring and grounding: Follow ABB’s specified grounding and cable-routing requirements. Keep signal and feedback wiring separated from motor power cables where the system design requires it.
- Verify supply conditions: Confirm the specified 24 VDC supply and polarity against the actual installation documentation before energizing the unit.
- Validate system configuration: Check firmware compatibility, axis assignments, drive communication, and feedback status before returning the robot to operation.
- Perform controlled commissioning: Follow the machine’s approved startup and functional test procedures. Verify axis response and fault status before enabling normal operation.
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