Yaskawa VPL Series Servo Motors

Technical Dossier

Product Details And Specifications

Yaskawa VPL Series: Comprehensive Module Range and Technical Overview

The Yaskawa VPL Series represents a family of rotary servo motors engineered for precision motion control in demanding industrial environments. Deployed across chemical processing plants, oil refineries, semiconductor fabrication facilities, and heavy manufacturing lines, the VPL Series is a standard-specification motor line within Yaskawa's Sigma and MP-series servo drive ecosystems. These motors are characterized by their compact frame design, high torque density, and compatibility with Yaskawa's SERVOPACK drives (SGDV, SGDH, SGDS families). The VPL Series occupies a critical role in multi-axis CNC systems, robotic arms, and automated material handling where positional accuracy and repeatability are non-negotiable parameters.

The VPL-B0633M-CK12AA is a specific configuration within this series: a medium-frame AC servo motor with a 200V input rating, 600W continuous output, 3,000 RPM base speed, and an incremental encoder interface. It is a direct-mount, flange-type motor with a keyed shaft output, designed for integration into Yaskawa SGDV-series SERVOPACKs.

The Evolution of VPL Series Architecture

The VPL designation follows Yaskawa's standardized motor naming convention: frame size, continuous stall torque class, winding voltage, encoder type, shaft configuration, and option codes are all encoded in the model string. Early VPL-series motors were paired with the SGDH (Sigma II) SERVOPACK platform, using 13-bit incremental encoders. As the Sigma-5 (SGDV) and Sigma-7 (SGD7S) platforms matured, the VPL series was updated to support 20-bit and 24-bit absolute encoders, enabling single-cable wiring and battery-less absolute position retention.

Compatibility across generations is a known integration challenge. A VPL motor with a 13-bit incremental encoder (suffix -CK) cannot be directly substituted with a 20-bit absolute encoder variant (-AK) without corresponding SERVOPACK firmware and parameter reconfiguration. End-users maintaining legacy Sigma II installations must source encoder-matched replacements or perform a validated cross-generation upgrade. DriveKNMS maintains cross-reference documentation for these substitution paths.

The VPL series entered a mature lifecycle phase as Yaskawa shifted primary development resources to the SGM7 (Sigma-7) motor family. VPL motors remain in active spare parts demand due to the large installed base in facilities with 10–20 year equipment lifecycles.

VPL Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced models within the Yaskawa VPL Series. Models are grouped by functional category.

Medium-Frame AC Servo Motors (200V, Incremental Encoder)

• VPL-B0633M-CK12AA: 600W, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft, flange mount
• VPL-B0633M-CK12BA: 600W, 3000 RPM, 200V, 13-bit incremental encoder, keyless shaft, flange mount
• VPL-B0633M-AK12AA: 600W, 3000 RPM, 200V, 20-bit absolute encoder, keyed shaft, flange mount
• VPL-B0433M-CK12AA: 400W, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft, standard frame
• VPL-B0433M-AK12AA: 400W, 3000 RPM, 200V, 20-bit absolute encoder, keyed shaft, standard frame
• VPL-B0833M-CK12AA: 750W, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft, flange mount
• VPL-B0833M-AK12AA: 750W, 3000 RPM, 200V, 20-bit absolute encoder, keyed shaft, flange mount

Large-Frame AC Servo Motors (200V, High Torque)

• VPL-B1333M-CK12AA: 1.3kW, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft
• VPL-B1333M-AK12AA: 1.3kW, 3000 RPM, 200V, 20-bit absolute encoder, keyed shaft
• VPL-B1833M-CK12AA: 1.8kW, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft
• VPL-B1833M-AK12AA: 1.8kW, 3000 RPM, 200V, 20-bit absolute encoder, keyed shaft
• VPL-B2333M-CK12AA: 2.3kW, 3000 RPM, 200V, 13-bit incremental encoder, keyed shaft

Low-Speed / High-Torque Variants

• VPL-B0631M-CK12AA: 600W, 1000 RPM, 200V, 13-bit incremental encoder, high-torque low-speed application
• VPL-B0632M-CK12AA: 600W, 2000 RPM, 200V, 13-bit incremental encoder, mid-speed variant
• VPL-B1332M-AK12AA: 1.3kW, 2000 RPM, 200V, 20-bit absolute encoder, keyed shaft
• VPL-B1831M-AK12AA: 1.8kW, 1000 RPM, 200V, 20-bit absolute encoder, high-torque low-speed

Sourcing Hard-to-Find & Obsolete VPL Series Parts

As the VPL series has transitioned into a mature and partially discontinued product lifecycle, OEM lead times for certain configurations—particularly 13-bit incremental encoder variants—have extended significantly or been discontinued outright. DriveKNMS operates as a specialist distributor for Yaskawa VPL series motors, maintaining physical stock of both current and end-of-life configurations.

Our sourcing capabilities for the VPL series include: verified new-old-stock (NOS) units from authorized channel closeouts, factory-refurbished units with encoder recalibration and bearing replacement, and cross-reference substitution advisory for encoder-generation upgrades. All units are traceable to original manufacturer documentation. For facilities operating Sigma II (SGDH) or early Sigma-5 (SGDV) installations, DriveKNMS provides lifecycle extension support including multi-unit buffer stock agreements and priority allocation for critical spares.

Quality Control for the VPL Series Range

Each VPL series motor processed through DriveKNMS undergoes a structured inspection and functional verification protocol prior to dispatch:

• Encoder integrity check: Signal output verification for incremental (A/B/Z pulse) and absolute (serial communication) encoder types using dedicated Yaskawa-compatible test equipment.
• Winding resistance and insulation test: Phase-to-phase resistance balance measurement and megohm insulation resistance test at 500VDC to detect winding degradation.
• Bearing condition assessment: Rotational torque measurement and acoustic emission analysis to identify bearing wear or contamination.
• Shaft runout measurement: Dial indicator check on output shaft to confirm concentricity within OEM tolerance.
• Brake function test (where applicable): Holding torque verification for motors equipped with electromagnetic brakes.
• Visual and mechanical inspection: Frame integrity, connector condition, cable entry seal, and nameplate legibility.

Test records are retained per unit and available upon request for quality-critical procurement.