Yaskawa SGMAV Series AC Servo Motors: SGMAV-01ANA-YR13 / SGMAV-02ANA-YR13

Technical Dossier

Product Details And Specifications

Yaskawa SGMAV Series: Comprehensive Module Range and Technical Overview

The Yaskawa SGMAV series is a line of small-capacity, high-performance AC servo motors designed for precision motion control in demanding industrial environments. Deployed globally across chemical processing plants, semiconductor fabrication facilities, pharmaceutical production lines, food and beverage automation, and general-purpose machine tool applications, the SGMAV series occupies a critical position in Yaskawa's Σ-V (Sigma-V) servo system ecosystem. These motors are paired with SGDV-series servo drives (SERVOPACK) and are engineered for high-speed, high-accuracy positioning tasks where torque ripple, encoder resolution, and thermal stability are primary design constraints. The series covers a rated output range from 50W to 750W, making it the standard selection for compact axis control in multi-axis robotic cells, pick-and-place systems, and CNC peripheral drives.

The Evolution of SGMAV Architecture

The SGMAV series is the direct successor to the SGMAS and SGMAH families within Yaskawa's Sigma servo motor lineage. The architectural transition from SGMAH (Sigma-II) to SGMAV (Sigma-V) introduced a 20-bit absolute encoder (resolution: 1,048,576 pulses/rev) as standard, replacing the 17-bit incremental encoders of the prior generation. This shift enabled absolute positioning without battery-backed homing cycles in many applications, reducing machine startup time and improving repeatability to sub-micron levels in precision axes.

The SGMAV frame design retained backward-compatible shaft and flange dimensions (IEC 72-1 compliant) with the SGMAS series in several frame sizes, allowing drop-in mechanical replacement in retrofit projects. However, the encoder connector pinout and feedback cable specifications changed between generations, requiring SGMAV-compatible cables (Yaskawa part prefix: JZSP-C) when upgrading from Sigma-II installations.

As of 2024, the SGMAV series has entered the mature/end-of-active-production phase in several sub-variants. Yaskawa's current flagship small-capacity servo motor is the SGMMV (Sigma-7 Mini) and SGMGV (Sigma-7) families. For facilities operating Sigma-V systems, long-term maintenance support — including spare motor procurement, encoder replacement, and winding repair — remains commercially available through authorized distributors and specialist suppliers such as DriveKNMS.

SGMAV Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the SGMAV series. Models are classified by rated output and option codes per Yaskawa's standard model designation structure.

SGMAV-01ANA-YR13: 100W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, with holding brake (option code YR13 = brake + connector type).
SGMAV-02ANA-YR13: 200W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, with holding brake.
SGMAV-04ANA-YR13: 400W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, with holding brake.
SGMAV-08ANA-YR13: 750W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, with holding brake.
SGMAV-01ANA-YR11: 100W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, no brake (YR11 = standard connector, no brake).
SGMAV-02ANA-YR11: 200W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-04ANA-YR11: 400W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-08ANA-YR11: 750W, 200VAC, straight shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-01ADA-YR11: 100W, 200VAC, key + tap shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-02ADA-YR11: 200W, 200VAC, key + tap shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-04ADA-YR11: 400W, 200VAC, key + tap shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-08ADA-YR11: 750W, 200VAC, key + tap shaft, 20-bit absolute encoder, standard flange, no brake.
SGMAV-01ANA-YR21: 100W, 200VAC, straight shaft, 20-bit absolute encoder, IP67-rated sealing option.
SGMAV-02ANA-YR21: 200W, 200VAC, straight shaft, 20-bit absolute encoder, IP67-rated sealing option.
SGMAV-04ANA-YR21: 400W, 200VAC, straight shaft, 20-bit absolute encoder, IP67-rated sealing option.
SGMAV-08ANA-YR21: 750W, 200VAC, straight shaft, 20-bit absolute encoder, IP67-rated sealing option.

Sourcing Hard-to-Find & Obsolete SGMAV Parts

As Yaskawa transitions its installed base toward the Sigma-7 platform, procurement of SGMAV motors — particularly brake-equipped variants and IP67-sealed models — is increasingly constrained through standard distribution channels. DriveKNMS maintains a dedicated inventory of new-surplus, refurbished, and tested-used SGMAV units sourced from decommissioned production lines, OEM overstock, and controlled factory returns.

For end-users operating Sigma-V servo systems beyond the standard 10-year parts support window, DriveKNMS provides lifecycle extension services including: direct motor replacement with full encoder calibration verification, cross-reference matching for discontinued option codes, and emergency same-day dispatch for critical production downtime scenarios. All SGMAV units are catalogued by frame size, shaft type, brake configuration, and encoder variant to enable rapid exact-match fulfillment.

Quality Control for the SGMAV Range

Each SGMAV unit processed by DriveKNMS undergoes a structured inspection and functional test protocol specific to the Sigma-V motor architecture. The test sequence includes: insulation resistance measurement (IR test at 500VDC, minimum 100MΩ between winding and frame), winding resistance balance check across all three phases (tolerance: ±5% of nominal), encoder signal integrity verification using a Yaskawa-compatible SERVOPACK test bench (SGDV series), no-load run test at rated speed with vibration and acoustic monitoring, and brake engagement/release force measurement on brake-equipped variants (YR13 option code).

The 20-bit absolute encoder fitted to all SGMAV motors is verified for battery-backed absolute position retention and multi-turn counter integrity. Units exhibiting encoder communication errors (alarm A.810, A.820, A.830 on SGDV drives) are flagged for encoder replacement prior to dispatch. Refurbished units are re-labeled with DriveKNMS inspection date, test technician ID, and pass/fail record traceable to the unit serial number.