ABB 3HAC12815-1 DSQC601 Axis Computer for IRC5 Robot Controllers

ABB 3HAC12815-1 DSQC601 Axis Computer for IRC5 Robot Controllers

The ABB 3HAC12815-1 is the DSQC 601 axis computer for the ABB IRC5 robot controller. It is the board that carries out the real-time calculation and closed-loop control of the robot's servo axes, turning the programmed motion into the signals that drive the axis motors. ABB lists it in its spare part catalogue as "DSQC 601 Axis computer", and the label on the board itself carries the article number together with a revision suffix. Send us the number printed on the board you are replacing, and we confirm the match before you order.

Specifications

Send the number printed on the board label and the controller type, and we confirm the match before you order.

Industrial Applications

• Real-time multi-axis motion calculation and closed-loop control inside ABB IRC5 robot controller cabinets.
• Replacement of a failed, faulting or intermittently communicating DSQC601 axis computer in an IRC5 cabinet.
• Preventive maintenance where controller computer boards are inspected and renewed on a schedule.
• Used wherever ABB specifies the DSQC601 axis computer (article 3HAC12815-1) for the IRC5 controller.

Design Purpose

An IRC5 controller must translate the robot program into precisely timed motion across every axis. The axis computer (DSQC601) carries the real-time computation that turns setpoints into closed-loop control signals for the servo axes. Mounted in the IRC5 cabinet, it is a defined ABB computer board specified so the controller's motion performance stays within the original design margins.

Because this board is defined by its article number and the controller design version it supports, it is a fitment-specific spare, not a generic control board. The correct part is tied to the exact board called out in the controller documentation, so it must be matched by article number and design version rather than by a generic "axis computer" description. Note it is distinct from the IRC5 main computer (DSQC639 / DSQC1018) and is not a substitute for those boards.

Common Failure Modes

• Boot or communication failure — the board is not recognised by the controller.
• Intermittent axis faults or lost synchronisation, caused by degraded components or poor contact.
• Overheating or capacitor degradation from age and duty cycle.
• ESD or physical damage from improper handling or non-antistatic storage.
• Connector or backplane contact corrosion or looseness.
• Wrong board fitted — an article number or design-version mismatch that leaves the controller unable to start.

Before removal: isolate and lock out all cabinet power (LOTO) and wait for the stored energy to discharge before opening the IRC5 cabinet. Confirm the exact board by full article number and IRC5 design version from the controller documentation, and verify it against the board you are removing. Handle it as ESD-sensitive — use a grounded wrist strap and antistatic packaging, and photograph and label every connector before you unplug it. Before the cabinet returns to production, transfer or restore the configuration per ABB procedure and run a safe functional test.

Why Choose Us

• Specialized in industrial robot spare parts for ABB, FANUC, KUKA and YASKAWA.
• Genuine ABB 3HAC12815-1 DSQC601 axis computer — the defined IRC5 controller board, not a generic substitute.
• Fitment confirmed for you: we match the article number on your board label and the controller type against the ABB spare part data before you order.
• Each part is tested and verified by experienced technicians before packing, with a repair service offered on defective units.
• Worldwide shipping with careful industrial packaging, from our Shanghai office.

Related Products

• ABB 3HAC029157-001 — the DSQC668 axis computer for the IRC5 controller. A different board from this one, and the usual fit for newer cabinets. Send us the article number on your board and we confirm which one it is.
• ABB 3HAC050363-001 — DSQC1018 main computer for the IRC5 controller. A different board from this one; the main computer runs the robot program, while the axis computer does the motion calculation.
• ABB 3HAC025097-001 — DSQC639 main computer for the IRC5 cabinet. A different board from this one. Confirm which board your cabinet calls out before ordering.
• ABB 3HAC041443-003 — DSQC639 computer unit with housing, the enclosure the IRC5 computer boards are mounted in.
• More controller boards and cabinet spares in the ABB IRC5 controller and components range. Send us the article number on the part you are replacing, and we confirm the match and quote the correct item.

Request a quote: Send the article number printed on the board label (3HAC12815-1), your controller type, and the design year of the cabinet. We confirm condition, fitment and lead time, then send a quotation — before you place any order.