YASKAWA SGM7G-30APK-YR11 / SGDR-SDA140A01B / HW0270541-C-T — High-Torque Servo Drive Assembly | Σ-7 Series Platform
Engineering Background: The YASKAWA Sigma-7 (Σ-7) series represents the pinnacle of YASKAWA’s servo technology, engineered for demanding industrial motion control applications where precision, response speed, and long-term reliability are non-negotiable. The SGM7G-30APK-YR11 is a 3kW flange-mount servo motor paired with the SGDR-SDA140A01B drive unit — a combination widely deployed in semiconductor equipment, precision machine tools, and high-cycle robotics.
Product Positioning: This assembly (Motor + Drive + Control Board HW0270541-C-T) is sourced as a verified OEM unit from YASKAWA’s authorized supply chain. It is offered by Konmask.com as a direct replacement or expansion component for existing Σ-7 servo systems, targeting procurement engineers who require exact-match parts with traceable provenance.
Complete Technical Specifications
- Manufacturer: YASKAWA Electric Corporation
- Series / Platform: Sigma-7 (Σ-7)
- Motor Model: SGM7G-30APK-YR11
- Rated Output Power: 3.0 kW
- Motor Type: AC Servo Motor, Flange Mount
- Drive Unit Model: SGDR-SDA140A01B
- Control Board P/N: HW0270541-C-T
- Encoder Type: 24-bit Absolute Encoder (standard Σ-7)
- Input Voltage: 200–240 VAC, 3-phase
- Communication Interface: MECHATROLINK-III / Analog / Pulse Train (model-dependent)
- Protection Class: IP67 (motor shaft seal, standard YR11 suffix)
- Country of Origin: Japan
- Weight: Approx. 600 g (control assembly)
- Compliance: CE, UL, RoHS
Proven Application Environments
- Semiconductor wafer handling and lithography stage control
- CNC machining centers and multi-axis milling systems
- Industrial robot joint drives (SCARA, articulated arm)
- Precision press and stamping machine servo axes
- Automated optical inspection (AOI) gantry systems
- Packaging machinery with high-cycle indexing requirements
- Injection molding machine servo pump control
Engineering Advantages
- Σ-7 Autotuning: Advanced vibration suppression and one-parameter tuning reduce commissioning time by up to 50% vs. previous generations.
- High-Resolution Encoder: 24-bit absolute feedback delivers 16,777,216 pulses/rev for sub-micron positioning accuracy.
- Compact Drive Integration: SGDR-SDA140A01B integrates power conversion and control in a single compact unit, reducing panel space requirements.
- Robust IP67 Sealing: YR11 suffix motor withstands coolant splash and particulate contamination in machine tool environments.
- MECHATROLINK-III Ready: Deterministic real-time network protocol enables synchronization of 62 axes at 0.5 ms cycle time.
- Long Service Life: YASKAWA’s proven bearing and winding design targets 30,000+ hours MTBF under rated load.
System Architecture & Signal Flow
The SGM7G-30APK-YR11 motor connects to the SGDR-SDA140A01B drive via a dedicated encoder cable (CN2) and power cable (CN1). The HW0270541-C-T control board resides within the drive unit and manages the closed-loop current, velocity, and position control loops. Host controller commands are received via MECHATROLINK-III (CN6) or analog/pulse interface (CN1 I/O). The drive outputs 3-phase PWM to the motor windings at switching frequencies up to 16 kHz, enabling smooth torque delivery at low speeds.
Sourcing & Quality Verification
- Origin: OEM units sourced from YASKAWA’s authorized distribution and decommissioned OEM equipment channels.
- Inspection: Each unit undergoes visual inspection, label verification (P/N, date code, serial number), and functional continuity check prior to listing.
- Packaging: Anti-static bag + foam-lined export carton. ESD-safe handling throughout.
- Documentation: YASKAWA datasheet and wiring diagram available upon request.
- Warranty: 90-day replacement warranty against DOA or transit damage.
Procurement Process
- Confirm part number match against your existing system’s nameplate or BOM.
- Submit inquiry or place order directly on Konmask.com.
- Receive proforma invoice with lead time confirmation within 24 business hours.
- Payment via T/T, PayPal, or trade assurance. Export documentation (CO, packing list, commercial invoice) included.
- Shipment via DHL / FedEx / UPS with full tracking. Typical transit: 3–7 business days worldwide.
Technical FAQ
Q: Is this a new or refurbished unit?
A: Units are listed as OEM-grade. Condition (new surplus, tested used, or refurbished) is specified in the product variant or upon inquiry. Contact us to confirm before ordering.
Q: Can this drive be used with a different Σ-7 motor frame size?
A: The SGDR-SDA140A01B is rated for the 3kW (140A) power class. Cross-matching with other motor models requires verification of current rating and encoder compatibility. Contact our engineering team for confirmation.
Q: Do you provide the SigmaWin+ configuration file or parameters?
A: Default factory parameters are retained where possible. Custom parameter backup files can be requested if available for the specific unit.
Q: What is the lead time for this part?
A: In-stock units ship within 1–2 business days. Out-of-stock units have a 2–4 week sourcing lead time. Contact us for real-time availability.
Q: Is export to my country supported?
A: Konmask.com ships globally. Some destinations may require export license verification for controlled automation components. We will advise at order confirmation.
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