YASKAWA SGM7G Series Modules SGM7G-30APK-YR11 SGDR-SDA140A01B HW0270541-C-T

Technical Dossier

Product Details And Specifications

YASKAWA SGM7G Series Technical Notes

The YASKAWA SGM7G series belongs to the Sigma-7 (Σ-7) servo motor platform, one of the most widely deployed servo drive ecosystems in global heavy industry. SGM7G-frame motors are medium-to-large capacity units rated from 300 W to 15 kW, engineered for high-inertia load applications including chemical plant actuators, refinery valve positioners, nuclear facility handling systems, and steel mill rolling line drives. The Sigma-7 platform holds a dominant installed base across Asia-Pacific, Europe, and North America, with lifecycle commitments extending well beyond 2030 for most sub-series. The SGM7G designation specifically identifies the large-capacity, flange-mount variant within the Sigma-7 motor family, paired with SGDR and SGDV/SGDH series servo drives and regenerative units.

The Evolution of SGM7G Architecture

YASKAWA's servo motor lineage relevant to the SGM7G traces through four generations. The Sigma-I (SGMG) and Sigma-II (SGMGH) series established the large-frame form factor and 17-bit encoder baseline. Sigma-III (SGMGV) introduced full closed-loop absolute encoders and EtherCAT readiness. The Sigma-5 (SGM7G predecessor: SGMGV) refined vibration suppression algorithms. The current Sigma-7 (SGM7G) generation, released circa 2014–2016, introduced 24-bit absolute encoders (16,777,216 pulses/rev), integrated safety functions (STO/SS1 per IEC 61800-5-2), and dual-port EtherCAT with MECHATROLINK-III support. Backward mechanical compatibility with Sigma-5 mounting dimensions is maintained for most frame sizes, but encoder and drive firmware are not interchangeable across generations. The SGDR-SDA series regenerative units (including SGDR-SDA140A01B referenced in this listing) are dedicated regenerative resistor assemblies used with high-duty-cycle SGM7G applications to dissipate braking energy in continuous deceleration cycles. HW0270541-C-T is a YASKAWA internal hardware revision identifier associated with specific PCB or assembly configurations within the SGDR-SDA140A01B unit.

SGM7G Full Catalog & Functionalities (SKU List)

Servo Motors — SGM7G Frame (Large Capacity)

• SGM7G-30APK-YR11: 3.0 kW, 200 V AC, absolute encoder, key + oil seal, standard shaft
• SGM7G-09APK-YR11: 900 W, 200 V AC, absolute encoder, flange mount, oil seal
• SGM7G-13APK-YR11: 1.3 kW, 200 V AC, absolute encoder, standard flange, oil seal
• SGM7G-20APK-YR11: 2.0 kW, 200 V AC, absolute encoder, key + oil seal
• SGM7G-44APK-YR11: 4.4 kW, 200 V AC, absolute encoder, key + oil seal
• SGM7G-55APK-YR11: 5.5 kW, 200 V AC, absolute encoder, key + oil seal
• SGM7G-75APK-YR11: 7.5 kW, 200 V AC, absolute encoder, key + oil seal
• SGM7G-1AAPK-YR11: 11 kW, 200 V AC, absolute encoder, large frame, key + oil seal
• SGM7G-1EAPK-YR11: 15 kW, 200 V AC, absolute encoder, large frame, key + oil seal
• SGM7G-30AFK-YR11: 3.0 kW, 200 V AC, incremental encoder, key + oil seal variant
• SGM7G-30APK-YR21: 3.0 kW, 400 V AC, absolute encoder, key + oil seal, high-voltage variant
• SGM7G-44APK-YR21: 4.4 kW, 400 V AC, absolute encoder, key + oil seal
• SGM7G-75APK-YR21: 7.5 kW, 400 V AC, absolute encoder, key + oil seal

Regenerative Units — SGDR-SDA Series

• SGDR-SDA140A01B: Regenerative resistor unit, 140 Ω, for SGM7G high-duty deceleration cycles, HW0270541-C-T revision
• SGDR-SDA560A01B: Regenerative resistor unit, 560 Ω, lower-capacity drive pairing
• SGDR-AXA01A: AC reactor unit for harmonic suppression, SGM7G drive input side

Matched Servo Drives — SGDV / SGDH Series (SGM7G Compatible)

• SGDV-2R8A01A: 200 V, 0.5 A continuous, MECHATROLINK-II, for SGM7G-09 pairing
• SGDV-5R5A01A: 200 V, 5.5 A, MECHATROLINK-II, SGM7G-13/20 pairing
• SGDV-120A01A: 200 V, 12.0 A, MECHATROLINK-II, SGM7G-30 pairing
• SGDV-200A01A: 200 V, 20.0 A, MECHATROLINK-II, SGM7G-44 pairing
• SGDV-330A01A: 200 V, 33.0 A, MECHATROLINK-II, SGM7G-75 pairing