Siemens A5E03462628 A5E03462631 Control Board

Technical Dossier

Product Details And Specifications

Siemens A5E03462628 / A5E03462631 Series: Comprehensive Module Range and Technical Overview

The Siemens A5E03462628 and A5E03462631 are control board assemblies deployed within the Siemens SINAMICS drive platform — a product family with documented installation bases across global heavy industry sectors including petrochemical refining, nuclear auxiliary systems, offshore platform motor control, and large-scale cement and steel production. These boards function as the central processing and interface layer within SINAMICS G/S-series drive cabinets, governing PWM signal generation, fault diagnostics, fieldbus communication, and parameter management. Their role is non-redundant in most configurations: a failed control board results in complete drive shutdown, making reliable spare part availability a critical operational requirement for plant maintenance engineers.

📩 Looking for a specific A5E03462628 or A5E03462631 model? Send your parts list to: sale@driveknms.com

The Evolution of A5E03462628 / A5E03462631 Architecture

The A5E03462628 and A5E03462631 part numbers belong to Siemens’ internal assembly numbering system for SINAMICS platform control electronics, introduced as part of the SINAMICS G120 and S120 drive generations launched in the mid-2000s. Early SINAMICS control boards used discrete ASIC-based signal processing with limited onboard memory. Successive hardware revisions (identifiable by the suffix or date code on the board label) introduced expanded EEPROM capacity, improved EMC shielding, and enhanced CAN/PROFIBUS interface stability.

The A5E03462631 is the revised assembly variant of the A5E03462628, incorporating updated component sourcing and revised PCB trace routing to address field-reported thermal stress failures in high-cycle applications. Both variants share the same firmware compatibility range and are cross-referenceable in most drive configurations, though the specific variant required depends on the drive cabinet’s hardware revision level. As the SINAMICS platform has matured into a stable, widely-deployed standard, these boards have entered the long-tail maintenance phase: new production volumes are reduced, and the primary demand is driven by MRO (Maintenance, Repair & Overhaul) procurement for existing installed equipment.

A5E03462628 / A5E03462631 Full Catalog & Functionalities (SKU List)

The following SKUs represent the broader SINAMICS control board and associated module ecosystem compatible with or related to the A5E03462628 / A5E03462631 assembly range. Each entry reflects a distinct functional role within the drive system architecture:

A5E03462628: Primary SINAMICS drive control board assembly, PWM & fault management.
A5E03462631: Revised hardware variant of A5E03462628, updated PCB layout.
6SL3040-1MA00-0AA0: CU320-2 Control Unit, PROFINET/PROFIBUS, multi-axis capable.
6SL3040-1MA01-0AA0: CU320-2 DP Control Unit, PROFIBUS DP interface variant.
6SL3055-0AA00-4BA0: SMC10 Sensor Module Cabinet-Mounted, resolver feedback.
6SL3055-0AA00-4CA0: SMC20 Sensor Module, incremental encoder TTL/HTL input.
6SL3055-0AA00-4EA0: SMC30 Sensor Module, HTL/TTL/SSI encoder, multi-protocol.
6SL3060-4AB00-0AA0: DRIVE-CLiQ hub module, cabinet-mounted, 8-port signal distribution.
6SL3100-0BE21-6AB0: Active Line Module 16kW, regenerative front-end unit.
6SL3120-1TE21-0AA3: Single Motor Module 10A, booksize format, S120 platform.
6SL3120-2TE21-0AA3: Double Motor Module 2×5A, booksize, dual-axis drive output.
6SL3130-6AE21-0AB1: Smart Line Module 5kW, non-regenerative DC bus supply.
6SL3210-1KE21-3AF1: SINAMICS G120 Power Module PM240, 7.5kW, IP20 frame.
6SL3210-1KE23-2AF1: SINAMICS G120 Power Module PM240, 15kW, IP20 frame.
6SL3210-1KE24-4AF1: SINAMICS G120 Power Module PM240, 22kW, IP20 frame.
6SL3210-1KE26-0AF1: SINAMICS G120 Power Module PM240, 30kW, IP20 frame.
6SL3210-1KE28-4AF1: SINAMICS G120 Power Module PM240, 45kW, IP20 frame.
6SL3210-1KE31-1AF1: SINAMICS G120 Power Module PM240, 55kW, IP20 frame.
6SL3244-0BB12-1FA0: CU240E-2 Control Unit, G120 platform, PROFIBUS DP.
6SL3244-0BB13-1FA0: CU240E-2 F Control Unit, G120 platform, safety-integrated.

Sourcing Hard-to-Find & Obsolete A5E03462628 / A5E03462631 Parts

DriveKNMS maintains a dedicated inventory program for Siemens SINAMICS control boards including the A5E03462628 and A5E03462631. As these assemblies enter reduced-availability status through Siemens’ standard product lifecycle management, procurement lead times through authorized distribution channels can extend to 16–26 weeks or result in end-of-life notifications. DriveKNMS addresses this gap through three sourcing channels: (1) certified surplus stock acquired from decommissioned plant equipment, subject to full functional verification before resale; (2) direct manufacturer relationships for new-old-stock (NOS) units where available; and (3) a global broker network for emergency single-unit requirements. All units are supplied with traceable documentation including part number verification, hardware revision identification, and test records. For plants operating under ISO 55000 asset management frameworks or IEC 61511 functional safety requirements, DriveKNMS can provide the documentation package required for maintenance records compliance.

Quality Control for the A5E03462628 / A5E03462631 Range

Control boards in the SINAMICS platform present specific test challenges due to their integration of high-speed DRIVE-CLiQ serial communication, multi-axis encoder feedback processing, and real-time safety function execution. DriveKNMS applies the following verification protocol to all A5E03462628 and A5E03462631 units prior to dispatch:

• Visual inspection: PCB surface examination for capacitor bulge, solder joint cracking, corrosion on connector pins, and burn marks on power-adjacent components.
• Backplane interface test: Verification of all edge connector contacts against reference impedance values to confirm bus integrity.
• Firmware boot verification: Board is powered in a controlled test rig; successful DRIVE-CLiQ enumeration and parameter store access confirms processor and memory integrity.
• Communication port test: PROFIBUS DP and/or PROFINET ports tested for correct frame transmission and reception at rated baud rates.
• Thermal cycle check: Units sourced from field returns undergo a 4-hour thermal cycling test (0°C to 55°C) to identify latent solder joint failures not visible under static inspection.
• Final functional sign-off: Each board is assigned a unique test record number cross-referenced to the unit’s serial number, included in the shipment documentation.

📩 Contact Information

For procurement inquiries on Siemens A5E03462628, A5E03462631, or any related SINAMICS spare parts:
Email: sale@driveknms.com
WhatsApp: +86 18359293191
Web: driveknms.com
© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.