ABB 3HAC025917-001 DSQC 652 Spare Part for IRC5

Overview

ABB 3HAC025917-001 DSQC 652 Spare Part for IRC5: Maintenance-Proven Reliability for Factory Uptime

The ABB 3HAC025917-001, commercially designated as the DSQC 652, is a factory-original digital I/O module engineered for ABB IRC5 robot controllers. In continuous manufacturing environments — automotive body shops, foundries, food processing lines, and palletizing cells — unplanned downtime caused by a failed I/O module can cascade into hours of lost production. Stocking a verified OEM replacement of the 3HAC025917-001 is one of the most cost-effective decisions a maintenance team can make to protect line availability.

The DSQC 652 provides 16 digital inputs and 16 digital outputs, interfacing the IRC5 controller with field devices such as grippers, conveyors, safety gates, and vision triggers. Its DIN-rail-compatible form factor and direct backplane connection to the IRC5 controller cabinet make swap-out straightforward — a trained technician can complete a hot-swap procedure and restore robot operation within a single maintenance window, minimizing mean time to repair (MTTR).

Every unit supplied by KNMKS undergoes pre-shipment functional testing covering I/O channel integrity, communication handshake with the IRC5 backplane, and power rail verification. This ensures the module arrives ready for immediate installation rather than requiring bench validation on-site.

Spare Maintenance Table

Maintenance Planning for Continuous Operation

When a DSQC 652 failure is diagnosed during a robot fault investigation, experienced maintenance engineers know that the I/O module rarely fails in isolation. A thorough cabinet inspection should accompany any 3HAC025917-001 replacement to prevent repeat faults and ensure the restored system operates reliably through the next production cycle.

Begin by inspecting the DSQC 662 (3HAC025338-001) — the analog I/O module that often shares the same backplane slot group — for signs of voltage irregularity or signal drift that may have contributed to the I/O fault. Next, verify the DSQC 608 (3HAC026254-001) power distribution board, which supplies regulated 24 VDC to all I/O modules in the IRC5 cabinet; a degraded power board can cause intermittent I/O faults that mimic module failure. The DSQC 609 (3HAC025484-001) power supply unit should also be load-tested, as undervoltage conditions accelerate I/O module wear.

Communication integrity is equally critical. The DSQC 688 (3HAC031670-001) Ethernet switch module, if installed, should be checked for port errors or packet loss that could cause the controller to misread I/O states. For robots operating in high-vibration or high-EMI environments — press shops, welding cells, or heavy stamping lines — inspect the backplane connector seating on the DSQC 400 (3HAC025338-001) axis computer board, as vibration-induced connector fretting is a common root cause of I/O communication faults. Finally, review the 24 VDC fuse blocks and terminal strips within the cabinet; blown fuses on output channels are frequently misdiagnosed as module failures and should be replaced as part of the corrective maintenance package.

Maintaining a minimum stock of one DSQC 652 per robot cell — or one per three robots in high-density installations — is a widely adopted spare parts strategy in automotive and general manufacturing. Pairing this with a documented replacement procedure in your CMMS reduces technician response time and eliminates the risk of ordering delays during a production emergency.

Site Replacement Workflow

Replacing the ABB 3HAC025917-001 DSQC 652 follows a structured procedure that minimizes downtime and protects system configuration integrity:

1. Fault Confirmation: Use the IRC5 FlexPendant or RobotStudio to confirm the fault code pointing to the DSQC 652. Common fault codes include 71026 (I/O unit not found) and 71027 (I/O unit communication error). Document the current I/O signal mapping before proceeding.

2. Safe Isolation: Place the robot in manual mode, engage the safety chain, and isolate the cabinet power supply. Verify zero-energy state before opening the cabinet door. For IRC5 cabinets with a DSQC 400 safety board, confirm the safety relay chain is de-energized.

3. Module Extraction: Release the backplane locking lever, slide the DSQC 652 out of its slot, and inspect the backplane connector for bent pins or contamination. Clean with compressed air if necessary before installing the replacement unit.

4. Replacement Installation: Insert the new 3HAC025917-001 into the correct slot position (verify against the cabinet wiring diagram), engage the locking lever, and restore cabinet power. The IRC5 controller will automatically detect and configure the new module using the stored system parameters — no manual I/O remapping is required if the system backup is current.

5. Functional Verification: Execute a full I/O test routine from the FlexPendant, cycling all 16 inputs and 16 outputs against field device responses. Confirm no residual fault codes before returning the robot to automatic mode.

This workflow is compatible with IRC5 Single Cabinet, Dual Cabinet, Compact, and Panel Mounted variants, making the DSQC 652 a universal spare across mixed IRC5 fleets — a significant advantage for multi-robot facilities managing diverse robot generations.

Spare Parts Support FAQ

Q1: Is the 3HAC025917-001 compatible with all IRC5 controller variants?
Yes. The DSQC 652 is compatible with IRC5 Single Cabinet, Dual Cabinet, IRC5 Compact, and IRC5 Panel Mounted controllers. It is also backward-compatible with earlier IRC5 software versions (RobotWare 5.x and 6.x). Always verify the slot position against your cabinet layout drawing before installation.

Q2: What pre-shipment testing does KNMKS perform on the 3HAC025917-001?
Every unit undergoes a full functional test covering all 16 digital input channels, all 16 digital output channels, backplane communication handshake, and 24 VDC power rail integrity. Test records are available upon request. All units are shipped with ESD-protective packaging to prevent transit damage.

Q3: What is the support terms coverage and what does it include?
KNMKS provides a support terms confirmed by quotation from the date of shipment. The support terms covers manufacturing defects, functional failures under normal operating conditions, and DOA (dead-on-arrival) units. Support requests are supported with replacement dispatch within 3 business days upon fault confirmation.

Q4: Can KNMKS support long-term supply for fleet maintenance programs?
Yes. KNMKS maintains standing inventory of the 3HAC025917-001 DSQC 652 to support annual maintenance contracts, scheduled overhaul programs, and emergency replacement orders. Volume pricing and reserved stock agreements are available for facilities managing 10 or more IRC5 robots. Contact our team to discuss a tailored spare parts supply plan.

© 2026 KNMKS. All rights reserved.
Original Source: https://knmks.com
Contact: [email protected] | +86 18359268345

Product Identification

Brand / Ecosystem

ABB
ABB

Model / Series

3HAC025917-001
IRC5 Series

Product Family

PLCs & Controllers

Availability Status

Available on request after model and quantity confirmation

Inquiry Type

B2B RFQ, replacement inquiry and project spare-part request

Pre-Quote Check

Exact SKU, brand, series, quantity, nameplate photos and destination country are checked before quotation

Specification & Inquiry Focus

Control platform

PLC, PAC and modular controllers

Common needs

CPU, rack, power and I/O expansion

Project support

Replacement, cabinet build and maintenance

Inquiry Support

• Model cross-checking before quotation
• CPU, power, rack and expansion module matching
• Support for replacement and project inquiry

What to Send Us

• Brand and exact model number: ABB 3HAC025917-001
• Quantity and required delivery time
• Application, replacement requirement or nameplate photo
• Destination country and shipping preference