ABB 3HAC026787-002 Migration-Ready Cable for IRC5

Overview

ABB 3HAC026787-002 Migration-Ready Cable for IRC5: Legacy System Retrofit & Compatibility Upgrade

The ABB 3HAC026787-002 is a 15-metre power control cable engineered for the IRC5 robot controller platform — one of ABB’s most widely deployed industrial robot control architectures. As production lines age and original cable assemblies reach end-of-service life, the 3HAC026787-002 serves as a direct, migration-ready replacement that eliminates the need for custom wiring modifications or controller reconfiguration. Whether you are restoring a single-cabinet IRC5 system or executing a multi-cell retrofit across an entire production floor, this cable is a critical link in maintaining drive power continuity between the controller and the robot manipulator.

Sourced directly from ABB’s manufacturing base in Sweden and supplied with a support terms confirmed by quotation, every unit undergoes pre-shipment electrical testing to verify conductor integrity, shielding continuity, and connector seating before dispatch. In-stock inventory ensures global delivery details confirmed by RFQ with minimal lead time — a key advantage when unplanned cable failures threaten production uptime.

Migration Compatibility Table

Retrofit Planning for Existing Automation Systems

A successful IRC5 cable retrofit requires more than a like-for-like part swap. Before removing the existing 3HAC026787-002, maintenance engineers should document the current cable routing path through the controller cabinet, noting any cable management clips, conduit entry points, and proximity to the IRC5’s drive module stack. The drive modules — typically DSQC661 or DSQC662 series — must remain seated and powered down during cable exchange to prevent drive fault registration in the robot’s event log.

In dual-cabinet IRC5 configurations, the power cable routing between the drive cabinet and the control cabinet must be carefully managed. Engineers should also inspect the condition of the SMB cable (3HAC031683-001) and the axis computer cable simultaneously, since these assemblies share the same cable tray and often degrade at similar rates. Replacing the 3HAC026787-002 while the cabinet is open provides an efficient opportunity to audit adjacent wiring without additional downtime.

For cells where the IRC5 controller interfaces with a FlexPendant (3HAC028357-001) and a teach pendant extension cable, confirm that the pendant cable is disconnected and secured before beginning power cable work. In retrofit projects that also involve upgrading the robot’s I/O system — for example, migrating from a legacy DSQC328 I/O board to a newer DSQC652 digital I/O module — the power cable replacement should be sequenced first to restore baseline drive power before I/O reconfiguration begins.

Where the IRC5 system communicates over PROFIBUS DP or DeviceNet, verify that the fieldbus master address assignments and baud rate settings are preserved in the robot’s system parameters before powering down. This prevents communication faults from appearing on the SCADA or PLC side — particularly relevant when the IRC5 is integrated with a Siemens S7-300 or Allen-Bradley ControlLogix controller managing the broader production cell.

Installation space within the IRC5 cabinet is generally sufficient for a direct cable swap, but in panel-mounted IRC5 variants, confirm that the cable bend radius at the cabinet entry gland does not exceed the cable’s minimum bend specification. Proper strain relief at both the controller and manipulator ends is essential for long service life in high-cycle applications.

Downtime Control During System Migration

Minimising unplanned downtime during a cable replacement on an IRC5 system begins with preparation. Before the maintenance window opens, confirm that the replacement 3HAC026787-002 has been received, inspected, and pre-tested. Having the cable on-site and verified eliminates the most common source of extended downtime: waiting for parts.

The IRC5 controller stores all robot programs, system parameters, and calibration data in its non-volatile memory. A power cable replacement does not affect stored program logic, axis calibration offsets, or tool data — provided the controller is shut down cleanly using the standard power-off sequence rather than an emergency stop or hard power cut. Engineers should perform a full system backup to a USB drive (using RobotStudio or the FlexPendant backup function) before beginning any cabinet work, as a precautionary measure.

Once the new 3HAC026787-002 is installed and connectors are fully seated, restore power and allow the IRC5 to complete its boot sequence. Check the event log for any drive fault codes (Event ID 20xxx series) before releasing the robot to automatic mode. If the system was previously running in a multi-robot cell with a coordinated motion configuration, verify that the master-slave axis synchronisation is intact before resuming production. In most cases, a clean cable swap on a well-maintained IRC5 system can be completed within a single planned maintenance shift, keeping production disruption to a minimum.

Retrofit Support FAQ

Q1: Is the 3HAC026787-002 a direct replacement for the original ABB cable, or are modifications required?
The 3HAC026787-002 is an OEM-specification replacement. Connectors, conductor gauge, shielding, and cable length are identical to the original factory assembly. No re-termination, adapter, or wiring modification is required for standard IRC5 single-cabinet or dual-cabinet installations.

Q2: Will replacing the power cable affect the robot’s program logic or calibration data?
No. The 3HAC026787-002 is a passive power cable with no data or signal function. Robot programs, system parameters, tool data, and axis calibration values are stored in the IRC5 controller’s non-volatile memory and are unaffected by a cable replacement. A pre-work backup is recommended as standard practice.

Q3: What pre-shipment testing is performed, and what support terms is provided?
Every 3HAC026787-002 unit supplied by KNMKS undergoes pre-shipment electrical testing covering conductor continuity, insulation resistance, and connector seating verification. All units are covered by a support terms confirmed by quotation from the date of dispatch. In-stock availability supports global delivery details confirmed by RFQ with short lead times.

Q4: Can this cable be used in IRC5 systems that have been upgraded with newer I/O or communication modules?
Yes. The 3HAC026787-002 supplies drive power independently of the IRC5’s I/O and fieldbus architecture. It is fully compatible with IRC5 systems that have been upgraded with DSQC652 digital I/O modules, EtherNet/IP scanner boards, or PROFIBUS DP adapters. No compatibility conflicts arise from I/O or communication module upgrades.

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

Product Identification

Brand / Ecosystem

ABB
ABB

Model / Series

3HAC026787-002
IRC5 Series

Product Family

Cables & Connectors

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

Cable range

Sensor, servo, network and circular connectors

Common needs

Length, pin count, shielding and plug type

Project support

Machine wiring and installation kits

Inquiry Support

• Cable length and connector type confirmation
• Servo, sensor and network cable inquiry
• Accessory kits for installation teams

What to Send Us

• Brand and exact model number: ABB 3HAC026787-002
• Quantity and required delivery time
• Application, replacement requirement or nameplate photo
• Destination country and shipping preference