What Are Siemens 6SN1115 Modules

The 6SN1115 modules are part of the SIMODRIVE 611 platform, used for:

• digital axis control

• spindle management

• motor drive via resolver or encoder interface

• multi-axis synchronization

• communication with 6SN1123 / 6SN1145 power modules

• integration with SINUMERIK 840D / 810D CNC controls

The series includes several variants designed for different control architectures, with modular configurations adaptable to each specific machine tool.

Main Features of the 6SN1115 Range

• SIMODRIVE 611 Closed Loop technology

• Resolver/encoder interface for high-precision feedback

• Axis synchronization for advanced multi-axis applications

• Operation through Siemens digital bus

• Compatibility with dedicated power modules

• Widely used in CNC machine tools

• Components now discontinued by Siemens, making them critical for ensuring machine uptime

These modules are known for robustness, precision and long operational life, but require specialized maintenance to preserve stable performance over time, especially after years of intensive use.

Typical Applications of the SIMODRIVE 6SN1115 Series

• CNC machining centres

• Automatic lathes and milling machines

• Production lines for automotive and metalworking industries

• Chip-removal machine tools

• High-dynamic multi-axis systems

• Plants equipped with SINUMERIK 810D / 840D / 840Di controls

Because of their widespread use in European machine tools, having access to specialized technical assistance is essential—particularly in the current context of increasing obsolescence.

E-Repair Services for the Siemens 6SN1115 Series

As an Approved Partner Siemens – Industry Services and the only authorized Service Partner in Europe, E-Repair offers:

🔧 Certified Repair of 6SN1115 Modules

Complete interventions according to Siemens standards, including fault identification, replacement of critical components, and final testing.

♻️ “Zero-Hour” Refurbishment

An advanced process that restores the module to like-new condition, with preventive replacement of wear-prone parts and full testing on Siemens test benches.

🚚 Advance Replacement (Refurbished or New, when available)

To minimize downtime and ensure continuity of production.

🧠 CNC / NC / Drive Parameter Backup

Secure storage and restoration of machine parameters to prevent configuration loss.

🧼 Technological Cleaning

Removal of residues, dust and contamination that may compromise performance or lifespan.

🛠 On-Site and Remote Assistance

Specialized technicians available for rapid diagnostics and direct intervention on the plant.

🛡 Standard E-Repair warranty: 12 months in accordance with Siemens standards

Extension: for some products, it can be extended to 24 months upon request

Why Choose E-Repair for 6SN1115 Modules

• Only Approved Partner Siemens – Industry Services in Europe

• In-house technical laboratory with official Siemens test benches

• Certifications: ISO 9001, ISO 14001, ISO 14064-1, ISO 27001, BS 8001:2017, AFNOR XP X30-901

• Rigorous circular-economy approach to extend the lifecycle of components

• Advanced technical support ensuring production continuity and reduced downtime

FAQ – SIMODRIVE 6SN1115

Can I send a faulty module for diagnosis?

Yes. Simply fill out the assistance request form; the laboratory will perform diagnostics and provide a quotation.

Do you have refurbished 6SN1115 modules available?

Yes. When in stock, E-Repair offers refurbished units with warranty.

Are the modules tested before delivery?

Yes. All modules undergo complete functional tests on Siemens test benches.

Where to Find Siemens 6SN1115 Modules on the E-Repair Website

To view official images, availability and product sheets for the SIMODRIVE 6SN1115 series, the following catalog pages are available:

🔗 Complete 6SN1115 Range
https://www.e-repair.com/products-catalogue/simodrive/?q=6sn1115

🔗 6SN1115-0A Series
https://www.e-repair.com/products-catalogue/simodrive/?q=6sn1115-0A

🔗 6SN1115-0B Series
https://www.e-repair.com/products-catalogue/simodrive/?q=6sn1115-0B

These pages allow users to view available variants, request a quotation and directly access E-Repair services for repair, refurbishment and advance replacement.