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- Model Breakdown and Definition
| Partie | Code | Description |
| Série | RYH | Fuji ALPHA5 Smart series servo amplifier (drive), for medium‑low power servo motors |
| Puissance nominale | 751 | Rated output power 750W (75×10¹=750W), matches 750W servo motors |
| Compatibilité moteur | F5 | For servo motors with 1500~3000 r/min; F = standard speed range |
| Pouvoir & Interface | VV2 | 3‑phase 200~240VAC input, standard pulse command interface, supports Modbus communication |
- Spécifications clés
Nom complet du produit: Fuji Electric ALPHA5 Smart 750W Servo Drive, 3‑phase 200–240VAC input, pour 3000 r/min servo motors
Spécifications électriques
| Article | Spécification |
| Puissance de sortie nominale | 750W (0.75kW) |
| Puissance d'entrée | 3‑phase 200~240VAC, 50/60 Hz |
| Moteurs compatibles | GYB751D5 series (inertie moyenne), GYS751D5 series (standard inertia), etc.. |
| Modes de contrôle | Position, Vitesse, Contrôle du couple |
| Communication | Standard pulse command, supports Modbus RTU |
| E/S numériques | Multi‑channel digital input/output for control and status monitoring |
Performance
| Article | Spécification |
| Response Frequency | Jusqu'à 500 Hz, fast load response |
| Positioning Accuracy | Depends on motor encoder (typically 23‑bit absolute encoder) |
| Capacité de surcharge | 150% rated current for 60 s; 200% pour 3 s |
| Fonctions de protection | Surintensité, surtension, sous-tension, surchauffe, surcharge, encoder error, etc.. |
| Afficher & Opération | 4‑digit 7‑segment LED + 4 keys for parameter setup and fault diagnosis |
Physique
| Article | Spécification |
| Dimensions | Environ. 150(W)×240(H)×140(D) mm |
| Poids | Environ. 2.5 kilos |
| Température de fonctionnement | 0~40°C (non‑condensing) |
| Degré de protection | IP20 (in control cabinet) |
| Refroidissement | Natural + forced air cooling (built‑in fan) |
- Applications and Advantages
Applications recommandées
- Automatisation industrielle: Machines CNC, machines d'emballage, printing equipment requiring precise positioning and speed control
- Fabrication électronique: SMT machines, semiconductor packaging, PCB drilling with high positioning accuracy
- Manutention des matériaux: Lignes automatisées, robots, AGVs requiring smooth speed and fast response
- Nourriture & Boisson: Remplissage, étiquetage, sorting with precise synchronization
- Machines textiles: Looms, dyeing equipment requiring constant tension control
Avantages
Smart Tuning: Auto‑tuning for optimal performance even on low‑rigidity machines
Multi‑mode Control: Position / Vitesse / Torque switchable
Protection complète: Ensures stable operation and reduces downtime
Modbus Support: Standard industrial protocol for easy integration
Cost‑Effective: Balances performance and cost for general automation
- Replacement and Upgrade Models
Same‑Series Replacements
| Modèle | Différence clé | Application |
| RYH751F5‑VV2‑ZC1 | Built‑in braking resistor, for frequent start/stop | CNC, high‑speed sorters |
| RYH751F6‑VV2 | For higher‑speed motors (jusqu'à 4000 r / min), 750W | Special high‑speed applications |
| RYH751F5‑VE2 | Different interface type for specific controllers | Matching dedicated PLC/controller |
Performance Upgrades
| Modèle | Amélioration | Application |
| RYT751D5‑VV2 | Higher‑performance ALPHA5 drive, 600 Hz response, better precision | High‑precision positioning, high‑speed motion |
| RYH751F5‑VV6 | Supports industrial Ethernet including EtherCAT | Modern factory networks, high‑speed data transmission |
| RYH751F5‑VE6 | STO (Coupure sûre du couple), SIL2 certified | Safety‑critical applications: robots, dispositifs médicaux |
Power‑Range Replacements
| Modèle | Power Change | Application |
| RYH401F5‑VV2 | 400W, otherwise identical | Lower power demand, cost saving |
| RYH132F5‑VV2 | 1.3kW, otherwise identical | Higher power demand, performances améliorées |
- Remarques importantes
- Motor Matching: RYH751F5‑VV2 only supports Fuji 750W servo motors (GYB751D5, GYS751D5 series). Do not use with other brands or mismatched power.
- Alimentation: Ensure 3‑phase 200~240VAC, voltage fluctuation within ±10%.
- Environnement: Install in well‑ventilated cabinet, free from dust, huile, and moisture.
- Parameter Setup: Set motor parameters and control mode via LED or Fuji software on first use.
- Résistance de freinage: External resistor recommended for frequent start/stop or rapid deceleration.
RYH751F5‑VV2 is a cost‑effective 750W servo drive from Fuji’s ALPHA5 Smart series, widely used in industrial automation due to smart tuning, flexible control, and complete protection. You can choose same‑series replacements or upgrade to higher‑performance ALPHA5 drives based on application requirements.
Cross‑Brand Replacements for RYH751F5‑VV2 (Fuji 750W Servo Drive)
Core features: 750W, 3‑phase 200–240VAC, impulsion + Modbus‑RTU, 1500–3000 r/min motors, Position/Speed/Torque control.
Below are compatible models from major brands.
- Japanese Brands
Mitsubishi
| Modèle | Specs | Différence | Application |
| MR‑JE‑70B | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Direct match, economical JE series | General automation, remplacement direct |
| MR‑JE‑70B‑RJ | 750W, 3‑phase 200–240V, built‑in brake resistor | For frequent start/stop | CNC, high‑speed sorting |
| MR‑J4‑70B | 750W, 3‑phase 200–240V, 600 Hz, une plus grande précision | Premium performance upgrade | High‑precision positioning |
Yaskawa
| Modèle | Specs | Différence | Application |
| SGD7S‑7R6A00A | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Sigma‑7S economical, highly compatible | Electronics, conditionnement |
| SGD7S‑7R6A00A002 | 750W, 3‑phase 200–240V, STO function | SIL2 safety | Robots, safety applications |
| SGDV‑7R6A01A | 750W, 3‑phase 200–240V, 1 réponse en kHz | High‑end Sigma‑7 | Precision machining, semiconductor |
Panasonic
| Modèle | Specs | Différence | Application |
| MDDHT5540E | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | MINAS A5, rentable | Textile, nourriture & boisson |
| MDDHT5540E02 | 750W, 3‑phase 200–240V, built‑in brake resistor | Frequent start/stop | AS/RS, AGVs |
OMRON
| Modèle | Specs | Différence | Application |
| R88D‑GN07H‑ECT | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Compact G‑series | Space‑limited cabinets |
| R88D‑1SN07H‑ECT | 750W, 3‑phase 200–240V, EtherCAT option | Industrial Ethernet | Smart factories, Industrie 4.0 |
- Taiwanese & Marques chinoises
Delta
| Modèle | Specs | Différence | Application |
| ASD‑B2‑0721‑B | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | B2 series, fiable | General automation, manutention des matériaux |
| ASD‑B3‑0721‑B | 750W, 3‑phase 200–240V, 600 Hz, vibration suppression | Upgraded B3 | Precision positioning, impression |
Innovation
| Modèle | Specs | Différence | Application |
| SV660NS1R6I | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Domestic high value, multi‑encoder support | Cost‑sensitive projects, localization |
| SV660NS1R6IE | 750W, 3‑phase 200–240V, EtherCAT | Industrial Ethernet | Large lines, robot systems |
Xinje
| Modèle | Specs | Différence | Application |
| DS5K‑20P7‑PTA | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Economical domestic drive | Small automation, OEM machinery |
- European & American Brands
Siemens
| Modèle | Specs | Différence | Application |
| V90 6SL3210‑5FB10‑8UA0 | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | V90 series, 1FL6 motor, PROFIdrive | Siemens PLC systems, precision positioning |
| V90 6SL3210‑5FB10‑8UA1 | 750W, 3‑phase 200–240V, PROFINET | Industrial Ethernet | TIA Portal, smart production lines |
Schneider Électrique
| Modèle | Specs | Différence | Application |
| Lexium 23D LXM23DU07M3X | 750W, 3‑phase 200–240V, impulsion, Modbus‑RTU, 500 Hz | Lexium 23, robust, high noise immunity | Machines-outils, robots, harsh environments |
- Guide de sélection
Remplacement direct (no architecture change)
Top choices: MR‑JE‑70B, SGD7S‑7R6A00A, ASD‑B2‑0721‑B
Raison: Full electrical and interface compatibility; minimal program changes.
Mise à niveau des performances
Recommandé: MR‑J4‑70B, SGDV‑7R6A01A, ASD‑B3‑0721‑B
Amélioration: Higher response, better accuracy, vibration suppression.
Ethernet Communication Upgrade
Recommandé: R88D‑1SN07H‑ECT, SV660NS1R6IE, 6SL3210‑5FB10‑8UA1
Pour: EtherCAT, PROFINET, smart factory integration.
Optimisation des coûts
Recommandé: ASD‑B2‑0721‑B, SV660NS1R6I, DS5K‑20P7‑PTA
Avantage: 20–40% lower price vs Japanese brands, suitable for general automation.
- Notes de remplacement critiques
- Motor Match: Pouvoir, tension, and encoder type must be compatible.
- Câblage: Check pulse/direction or CW/CCW logic.
- Modbus: Confirm baud rate, parité, and register mapping.
- Résistance de freinage: Required for high‑duty cycling.
- Paramètres: Reconfigure motor rated current, encodeur, et mode de contrôle.
- Best Replacement Combinations
| Application | Primary Model | Alternative | Raison |
| General Automation | MR‑JE‑70B | ASD‑B2‑0721‑B | Écurie, widely available, rentable |
| High Precision | SGDV‑7R6A01A | MR‑J4‑70B | Réponse rapide, haute précision |
| Cost‑Sensitive | SV660NS1R6I | DS5K‑20P7‑PTA | Domestic high value |
| Smart Factory | 6SL3210‑5FB10‑8UA1 | R88D‑1SN07H‑ECT | Industrial Ethernet ready |
Many cross‑brand replacements are available for the RYH751F5‑VV2. Focus on power, tension, mode de contrôle, and communication for compatibility. For most applications, Mitsubishi MR‑JE‑70B and Delta ASD‑B2‑0721‑B offer the best balance of compatibility and cost.
