CNC Axis Control Solution – Siemens 6SN1118-0DK23-0AA2 | SINUMERIK 840D Series
Where This Product Is Used
The Siemens 6SN1118-0DK23-0AA2 Digital Control Loop Block is a core closed-loop control module deployed in high-precision CNC machine tools and industrial automation systems. Typical application environments include:
- Multi-axis CNC machining centers (milling, turning, grinding)
- High-speed gantry and portal milling machines
- Gear hobbing and gear grinding machines
- Injection molding machine servo drives
- Printing press and packaging line servo axes
- Semiconductor wafer handling and precision positioning stages
- Automotive body-in-white welding and assembly lines
Engineers specify this module wherever the SINUMERIK 840D or SIMODRIVE 611D platform is the backbone of motion control, requiring deterministic current and speed loop performance at the hardware level.
Technical Specifications
- Part Number (SKU): 6SN1118-0DK23-0AA2
- Series: SINUMERIK 840D / SIMODRIVE 611D
- Module Type: Digital Control Loop Block (closed-loop current & speed regulation)
- Manufacturer: Siemens AG, Germany
- Country of Origin: Germany
- HS Code: 853710
- Weight: 500 g (approx.)
- Interface: DRIVE-CLiQ / internal SIMODRIVE 611D backplane bus
- Control Loop: Digital current loop + speed loop, fully parameterizable via SINUMERIK NCK
- Compatibility: SIMODRIVE 611D power modules; SINUMERIK 840D/840Di/810D NCU
- Firmware: Configurable via SIMATIC S7 / SINUMERIK HMI Advanced
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: −25 °C to +70 °C
- Protection Class: IP20 (cabinet-mount)
Why Engineers Specify This Model
- Deterministic loop timing: Hardware-level current and speed regulation eliminates software latency, critical for sub-micron contouring accuracy.
- Seamless 840D integration: Native backplane communication with SINUMERIK 840D NCU — no gateway or protocol conversion required.
- Proven field reliability: Deployed in tens of thousands of machine tools globally; long-term spare parts availability from Siemens.
- Parameterization flexibility: Full MD (machine data) access via SINUMERIK HMI allows tuning for any motor/load combination.
- Drop-in replacement: Pin-compatible with predecessor modules in the 6SN1118 family, minimizing retrofit downtime.
Complete System Bill of Materials
For a complete SINUMERIK 840D / SIMODRIVE 611D axis, the following components are typically required alongside the 6SN1118-0DK23-0AA2:
- SINUMERIK 840D NCU (e.g., 6FC5357-0BB35-0AE0)
- SIMODRIVE 611D Power Module (e.g., 6SN1123 series)
- SIMODRIVE 611D Infeed/Regenerative Feedback Module (e.g., 6SN1145 series)
- Siemens 1FK7 / 1FT7 Servo Motor with encoder
- DRIVE-CLiQ cable or encoder cable (6FX series)
- SINUMERIK HMI Advanced panel (e.g., OP010 / OP012)
- 24 VDC control power supply (e.g., SITOP PSU100S)
Contact support@konmask.com for a complete BOM quotation.
Compliance & Industry Standards
- CE Marked — compliant with EU Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU
- UL recognized component (where applicable)
- RoHS 2 compliant (Directive 2011/65/EU)
- Manufactured under ISO 9001:2015 certified quality management system
- HS Code 853710 — Programmable controllers for industrial automation
Quality Assurance & Sourcing
All units supplied by Konmask.com undergo the following verification process before dispatch:
- Visual inspection for physical damage, corrosion, and counterfeit indicators
- Label and date-code authentication against Siemens factory records
- Functional power-on test where applicable
- Anti-static packaging with humidity indicator card
- Traceable documentation: delivery note, test record, and certificate of conformity available on request
We source from authorized distributors, OEM decommissions, and verified surplus channels. No grey-market or refurbished units are sold without explicit disclosure.
How to Source This Part
- Click Add to Cart or Contact Us for a formal quotation.
- Provide your delivery timeline and quantity — we confirm lead time within 24 hours.
- Payment via T/T bank transfer, PayPal, or trade credit (approved accounts).
- Worldwide shipping via DHL Express, FedEx, or UPS with full tracking and export documentation.
- After-sales support: 12-month warranty on new units; 90-day warranty on tested surplus.
📧 support@konmask.com | 📞 +0086 19859288691
Application-Specific FAQ
Q: Is the 6SN1118-0DK23-0AA2 compatible with SINUMERIK 810D?
A: Yes. The SIMODRIVE 611D platform is shared between 840D and 810D systems. Verify your NCU firmware version for full parameter compatibility.
Q: Can this module be used with third-party servo motors?
A: The module is optimized for Siemens 1FK7/1FT7 motors. Third-party motors require custom encoder adaptation and careful MD tuning — consult our engineering team.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. Out-of-stock items typically have a 2–6 week lead time depending on global availability.
Q: Do you provide installation support?
A: Yes. Our technical team can provide commissioning guidance, parameter backup/restore support, and remote diagnostics via TeamViewer.
Q: Is this a new or refurbished unit?
A: Please confirm with our sales team at the time of order. We clearly disclose condition (new, tested surplus, or refurbished) on every invoice.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






