Fuji Electric RYC202C3-VVT2

Technical Dossier

Product Details And Specifications

Fuji Electric RYC Series Servo Drives Technical Notes

The Fuji Electric RYC series represents a mature, field-proven line of AC servo drives deployed extensively across global heavy industry sectors including petrochemical refineries, nuclear power auxiliary systems, steel rolling mills, and large-scale chemical processing plants. Characterized by their compact DIN-rail-compatible form factor and robust IGBT-based power stage, RYC units have accumulated decades of installed base in applications demanding precise torque control, high-cycle positioning, and continuous-duty operation under harsh ambient conditions. The series spans output ratings from sub-100W to multi-kilowatt configurations, making it a standard reference in OEM machine tool builds and process automation retrofits alike.

The Evolution of RYC Series Architecture

The RYC series was introduced as part of Fuji Electric's second-generation FALDIC servo platform, succeeding the earlier RY series and establishing a standardized communication and parameter architecture that persisted across multiple hardware revisions. Early RYC variants utilized analog command interfaces (±10V velocity/torque reference) with incremental encoder feedback. Subsequent revisions introduced pulse-train position command compatibility, enabling direct integration with Fuji MICREX-SX and third-party PLCs without external signal conditioning.

RYC Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Fuji Electric RYC servo drive series, organized by functional category and output rating:

Velocity/Torque Control Variants (VVT2 Suffix)

• RYC101C3-VVT2: 100W single-phase 200V AC servo drive, velocity/torque dual-mode, incremental encoder input
• RYC102C3-VVT2: 200W single-phase 200V AC servo drive, velocity/torque control, analog ±10V command interface
• RYC202C3-VVT2: 200W single-phase 200V AC servo drive, C3 hardware revision, dual-mode velocity/torque, VVT2 tuning algorithm — primary reference SKU for this listing
• RYC401C3-VVT2: 400W single-phase/three-phase 200V AC servo drive, velocity/torque mode, enhanced thermal management
• RYC751C3-VVT2: 750W three-phase 200V AC servo drive, velocity/torque dual-mode, DIN-rail mount
• RYC152C3-VVT2: 1.5kW three-phase 200V AC servo drive, velocity/torque control, regenerative braking resistor terminal
• RYC222C3-VVT2: 2.2kW three-phase 200V AC servo drive, velocity/torque mode, extended I/O connector

Position Control Variants (PS Suffix)

• RYC101C3-PS5: 100W pulse-train position command servo drive, 200V single-phase, 500kpps max input frequency
• RYC202C3-PS5: 200W pulse-train position command, 200V, compatible with open-collector and line-driver pulse outputs
• RYC401C3-PS5: 400W position control servo drive, 200V, electronic gear ratio programmable via front keypad
• RYC751C3-PS5: 750W position control, 200V three-phase, supports CW/CCW pulse and 90° phase-difference input modes
• RYC152C3-PS5: 1.5kW position control servo drive, 200V, integrated dynamic brake circuit

400V Class Variants

• RYC401C3-VVT2-Z: 400W three-phase 400V AC servo drive, velocity/torque mode, Z-suffix denotes 400V input class
• RYC751C3-VVT2-Z: 750W three-phase 400V AC servo drive, velocity/torque dual-mode, CE-marked for EU industrial installations
• RYC152C3-VVT2-Z: 1.5kW three-phase 400V AC servo drive, velocity/torque control, suitable for 380-480V grid environments
• RYC222C3-VVT2-Z: 2.2kW three-phase 400V AC servo drive, velocity/torque mode, extended ambient temperature rating

Sourcing Hard-to-Find & Obsolete RYC Series Parts

The RYC series has entered its lifecycle maintenance and end-of-production phase. Fuji Electric's current servo platform roadmap centers on the FALDIC-W2 and α2 families, meaning new RYC unit production runs are no longer scheduled. For facilities operating legacy machinery built around RYC drives — including CNC lathes, injection molding machines, and automated assembly lines — sourcing replacement units through the standard distribution channel is increasingly unreliable.

Quality Control for the RYC Series Range

RYC series drives incorporate a multi-layer backplane communication architecture between the control board, power board, and I/O interface board. Standard incoming inspection procedures at DriveKNMS include: full DC bus capacitance measurement against Fuji Electric's published derating curves; IGBT gate drive signal integrity verification using isolated oscilloscope probes; encoder feedback signal simulation using a calibrated pulse generator to confirm position loop closure; and thermal imaging of the power stage under 50% rated load for a minimum 30-minute soak period to identify latent solder joint failures or degraded thermal interface material.