Siemens 6SN1118-0DB12-0AA0 Speed/Torque Control Module – SIMODRIVE 611 Series
When a SIMODRIVE 611 control module fails on the production floor, the consequences are immediate and severe: CNC machine tools halt, servo axes lose position feedback, and entire manufacturing cells go dark. Unplanned downtime in high-precision machining environments can cost thousands of dollars per hour. The Siemens 6SN1118-0DB12-0AA0 is the exact control board that restores closed-loop speed and torque regulation to your SIMODRIVE 611 drive system — getting your spindle and feed axes back online without a full drive replacement.
Within the SIMODRIVE 611 modular drive family, the 6SN1118-0DB12-0AA0 occupies the role of a dual-axis speed/torque regulation board, designed for high-dynamic servo applications in Siemens SINUMERIK-controlled machine tools. This module is widely deployed across global OEM machine builders — from German machining centers to Asian multi-axis turning cells — making it one of the most sought-after spare parts in the industrial automation aftermarket.
Technical Specifications
- Part Number (SKU): 6SN1118-0DB12-0AA0
- Manufacturer: Siemens AG
- Product Family: SIMODRIVE 611
- Module Type: Speed/Torque Regulation Control Board (Dual-Axis)
- Compatible Drive Format: SIMODRIVE 611 modular power/control unit
- Condition: Refurbished – fully tested and function-verified
- Weight: 780 g
- Shipping: Worldwide via DHL / FedEx / UPS
Key Features & Benefits
- Dual-Axis Regulation: Controls two servo axes simultaneously, reducing cabinet footprint and wiring complexity.
- High Dynamic Response: Optimized for high-speed, high-precision CNC feed and spindle drives requiring tight speed/torque loops.
- Drop-In Replacement: Direct plug-in compatibility with existing SIMODRIVE 611 power modules — no mechanical modification required.
- Refurbished & Tested: Each unit undergoes functional verification under load conditions before shipment.
- Long-Term Availability: Sourced from certified dismantling and refurbishment channels to support legacy machine fleets.
- Global Shipping: Dispatched with full ESD-safe packaging and export documentation.
Industry & Equipment Applications
- CNC machining centers (milling, turning, grinding) controlled by SINUMERIK 840D / 810D
- Multi-axis servo systems in automotive body-in-white production lines
- High-speed spindle drives in aerospace precision machining
- Retrofit and upgrade projects replacing obsolete SIMODRIVE 611A/U modules
- Spare parts inventory for machine tool service companies and OEM maintenance teams
System Integration & Compatible Parts
The 6SN1118-0DB12-0AA0 control module is designed to integrate with the following SIMODRIVE 611 system components:
- Power Modules: 6SN1123-xxxx / 6SN1124-xxxx series (single and dual-axis)
- Line Supply Modules: 6SN1145-xxxx / 6SN1146-xxxx (infeed/regenerative)
- Encoder Systems: Compatible with Siemens 1FT6 / 1FK7 / 1PH7 motor encoder interfaces
- CNC Controllers: SINUMERIK 840D sl, 840Di sl, 810D
- Drive Bus: SIMODRIVE 611 internal drive bus (not PROFIBUS/PROFINET)
Our Quality Assurance Process
- Incoming Inspection: Visual and electrical inspection upon receipt from dismantling sources.
- Component-Level Repair: Faulty capacitors, ICs, and power components replaced with OEM-equivalent parts.
- Functional Load Test: Module tested in a live SIMODRIVE 611 test rig under simulated axis load conditions.
- Parameter Verification: Default drive parameters verified against Siemens documentation.
- ESD-Safe Packaging: Shipped in anti-static bags with foam cushioning and moisture barrier.
- 90-Day Warranty: All refurbished modules carry a 90-day functional warranty.
How to Order
- Submit an inquiry via the “Request a Quote” button on this page.
- Provide your machine model, SINUMERIK version, and required delivery timeline.
- Our technical team will confirm compatibility and availability within 24 hours.
- Receive a proforma invoice with shipping options (DHL Express, sea freight, etc.).
- Payment via T/T bank transfer or other agreed B2B terms.
- Module dispatched with full test report and packing list.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, CNC, and drive components — not general electronics.
- Verified Sourcing: All parts sourced from traceable dismantling, OEM surplus, or certified refurbishers.
- Technical Support: Our engineers can assist with compatibility checks, parameter backup, and installation guidance.
- Fast Global Logistics: Stocked items ship within 2–3 business days; express options available for emergency downtime.
- B2B Pricing: Volume discounts and long-term supply agreements available for MRO and service companies.
Frequently Asked Questions
Q: Is the 6SN1118-0DB12-0AA0 compatible with SINUMERIK 840D sl?
A: Yes. The SIMODRIVE 611 drive system is the standard drive platform for SINUMERIK 840D sl and 840Di sl CNC controllers. This control module integrates directly via the SIMODRIVE 611 drive bus.
Q: What is the difference between 6SN1118-0DB12-0AA0 and other 6SN1118 variants?
A: The order number encoding defines the regulation type, axis count, and firmware variant. The -0DB12-0AA0 suffix specifies a dual-axis speed/torque regulation board. Always verify the full 18-digit order number before ordering.
Q: Do you provide a test report with the module?
A: Yes. Every refurbished unit ships with a functional test report documenting the test conditions and pass criteria.
Q: Can you supply multiple units for a production line retrofit?
A: Yes. We support bulk orders and can provide a dedicated supply agreement for ongoing MRO requirements. Contact us for volume pricing.
Q: What warranty do you offer?
A: All refurbished modules carry a 90-day functional warranty covering manufacturing defects and functional failures under normal operating conditions.
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