ABB IRB 7600 Teach Pendant IRB76003HAC050651-001 3HAC057544-004

Technical Dossier

Product Details And Specifications

ABB IRB 7600 Series: Comprehensive Teach Pendant Range and Technical Overview

The ABB IRB 7600 is a heavy-duty industrial robot series engineered for high-payload applications in automotive body-in-white assembly, foundry operations, material handling in chemical plants, and structural welding in offshore and nuclear facility construction. With payload capacities ranging from 150 kg to 500 kg and a reach envelope of up to 3.5 m, the IRB 7600 occupies a dominant position in large-scale robotic automation globally. The IRC5 controller platform, which governs all IRB 7600 variants, relies on a modular architecture of interchangeable hardware components — including teach pendants, drive modules, I/O boards, and communication adapters — that are field-replaceable and independently serviceable. The teach pendant assembly, referenced by part numbers 3HAC050651-001 and 3HAC057544-004, is the primary human-machine interface for programming, jogging, and diagnostics across the entire IRB 7600 family.

The Evolution of IRB 7600 Architecture

The IRB 7600 series was introduced by ABB Robotics in the early 2000s as a successor to the IRB 6400 and IRB 7500 heavy-payload platforms. The first-generation units operated under the S4C+ controller, which used a proprietary backplane bus and discrete I/O modules incompatible with later IRC5 hardware. The transition to the IRC5 controller (circa 2005) introduced a standardized RAPID programming environment, EtherNet/IP and DeviceNet communication layers, and a modular drive system (MDU) that separated axis computer functions from power electronics.

The FlexPendant (teach pendant) underwent a parallel evolution: early S4C+ units used a monochrome LCD interface with a dedicated joystick module, while IRC5-era FlexPendants introduced a color touchscreen, USB connectivity, and a hot-swap cable interface. The 3HAC050651-001 represents the current-generation IRC5 FlexPendant body assembly, while 3HAC057544-004 is the associated cable harness/connector kit. Compatibility is maintained across IRC5 Single Cabinet, IRC5 Compact, and IRC5 Panel Mounted Controller variants, but is not backward-compatible with S4C+ installations without a controller retrofit.

As the IRB 7600 series enters its mature lifecycle phase, ABB has shifted primary development focus to the IRB 8700 platform. However, the IRB 7600 installed base remains extensive, and ABB continues to supply spare parts under its long-term service agreement (LTSA) framework. Third-party suppliers such as DriveKNMS provide lifecycle extension support for discontinued sub-assemblies.

IRB 7600 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the ABB IRB 7600 / IRC5 ecosystem, classified by functional category:

Teach Pendant & HMI

• 3HAC050651-001: IRC5 FlexPendant complete unit, color touchscreen, hot-swap interface
• 3HAC057544-004: FlexPendant cable assembly, 10 m, IRC5 controller interface
• 3HAC028357-001: FlexPendant holder bracket, IRC5 cabinet mount
• 3HAC031683-001: Emergency stop button assembly for FlexPendant

Axis Computer & CPU Modules

• 3HAC025338-001: Axis computer DSQC 668, IRC5 main controller board
• 3HAC026253-001: Axis computer DSQC 679, IRC5 upgraded CPU module
• 3HAC036060-001: Main computer unit DSQC 1000, IRC5 generation 2
• 3HAC044168-001: Drive module DSQC 661, IRC5 axis drive unit

I/O Modules (Digital & Analog)

• 3HAC025917-001: Digital I/O board DSQC 652, 16DI/16DO, IRC5
• 3HAC025784-001: Analog I/O board DSQC 651, 4AI/4AO, IRC5
• 3HAC026254-001: Digital I/O board DSQC 328A, 24VDC, IRC5
• 3HAC043383-001: Safety I/O module DSQC 643, IRC5 safety controller

Communication Adapters

• 3HAC025744-001: DeviceNet adapter DSQC 658, IRC5 fieldbus module
• 3HAC026522-001: PROFIBUS DP adapter DSQC 667, IRC5 fieldbus module
• 3HAC031670-001: EtherNet/IP adapter DSQC 669, IRC5 network module

Power Supply & Drive Units

• 3HAC024488-001: Power supply unit DSQC 661, 24VDC, IRC5 cabinet
• 3HAC028929-001: Drive unit DSQC 663, IRB 7600 axis 1–3 power stage
• 3HAC029157-001: Drive unit DSQC 664, IRB 7600 axis 4–6 power stage
• 3HAC026254-002: Rectifier unit, IRC5 main cabinet, 400VAC input

Sourcing Hard-to-Find & Obsolete IRB 7600 Parts

DriveKNMS maintains a dedicated inventory program for IRB 7600 and IRC5 components that have reached end-of-production (EOP) status with ABB. This includes S4C+-era teach pendants, legacy DSQC axis computers, and first-generation drive modules no longer listed in ABB's active spare parts catalog. Our sourcing process draws from decommissioned robot cells, authorized refurbishment channels, and verified surplus inventory from OEM integrators.

For customers operating IRB 7600 units under long-term maintenance contracts in industries with extended asset lifecycles — including nuclear power, petrochemical refining, and heavy press operations — DriveKNMS provides cross-reference mapping between discontinued part numbers and available functional equivalents. All substitutions are documented with compatibility matrices and supplied with test certification records.

Quality Control for the IRB 7600 Range

All IRB 7600 and IRC5 components processed by DriveKNMS undergo a structured inspection and functional verification protocol prior to dispatch. Teach pendant units (3HAC050651-001 series) are tested for touchscreen calibration, emergency stop circuit continuity, hot-swap connector integrity, and RAPID communication handshake with an IRC5 test bench. Cable assemblies are subjected to full pin-out continuity testing and insulation resistance measurement at 500VDC.

Axis computer and CPU modules (DSQC 668, DSQC 679, DSQC 1000) are powered up in an isolated IRC5 test rack and verified for boot sequence completion, memory self-test pass, and axis communication acknowledgment. I/O boards are tested under simulated field load conditions with channel-by-channel verification. Drive units are tested for gate driver integrity, DC bus capacitor ESR, and thermal performance under rated current. All test results are logged and supplied with each shipment as a quality certificate.