Product Overview
The FANUC VFAS3-4110PC is a high-performance AC drive from the Toshiba AS3 series, engineered for demanding industrial automation applications. With a robust 460 VAC input and 15 hp output on three-phase power, this drive delivers precise motor control through multiple modes including V/Hz, field-oriented control (FOC), encoder feedback, or torque control. Its A3 frame, UL Type 1 enclosure, and IP20 rating make it suitable for panel or wall mounting in controlled environments.
Key Technical Specifications
Below are the critical parameters of the FANUC VFAS3-4110PC, ensuring reliable operation for your automation needs:
| Parameter |
Value |
| Input Voltage |
460 VAC (3-phase) |
| Output Voltage |
460 VAC (3-phase) |
| Horsepower (3-phase input) |
15 hp |
| Amperage Rating |
23.5 A (constant torque), 31.7 A (variable torque) |
| Control Modes |
V/Hz, FOC, encoder, torque |
| Enclosure Type |
UL Type 1, IP20 |
| Temperature Rating |
-15 to 50 °C |
| Frame Size |
A3 |
| Dynamic Braking |
Integrated |
| Communication Ports |
(2) Ethernet (RJ45), (1) RS-485 (RJ45) |
| Protocols |
EtherNet/IP, Modbus TCP, Modbus RTU Slave, Web server (HTTP) |
| Port Speeds |
10/100 Mbps, up to 38.4k baud |
| Carrier Frequency |
1–16 kHz |
| Output Frequency |
0.1–590 Hz |
| Analog Inputs |
3 channels, 11-bit resolution, current/voltage |
| Analog Outputs |
2 channels, 10-bit resolution, current/voltage |
| Discrete Inputs |
8 points, 24 VDC, sinking/sourcing |
| Discrete Outputs |
3 relay outputs (1 SPDT + 2 SPST) |
| Integrated EMI Filter |
Yes |
| Safe Torque Off (STO) |
Yes |
Industry Applications
With its versatile control modes and robust construction, the FANUC VFAS3-4110PC excels in applications requiring precise speed and torque regulation. Common uses include:
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Conveyor Systems: The V/Hz mode provides reliable speed control for material handling, while FOC ensures smooth operation under varying loads.
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Pumps and Fans: Variable torque capability (31.7A rating) optimizes energy consumption, directly reducing operational costs—a key ROI benefit.
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Machine Tools: Encoder feedback and torque mode enable accurate positioning and consistent cutting performance.
Installation & Setup Guidance
Mount the drive on a flat, non-flammable surface using the panel or wall mounting provisions. Ensure adequate airflow around the unit for cooling. Connect the 3-phase input and motor output wiring using screw terminals, and verify that the line voltage matches the 460 VAC rating. For communication, use the RJ45 ports for Ethernet and RS-485 connections. Configure parameters via the user sequence programming language to match your motor and application requirements.
Maintenance & Reliability
Regular inspection of the drive’s cooling fan and air filters is recommended to prevent overheating, especially in dusty environments. Check all power and control connections periodically for tightness. The integrated EMI filter and dynamic braking reduce electrical stress, extending the service life. With proper care, this drive provides reliable operation for years, minimizing downtime—an essential factor for cost-effective automation.
Compatibility & Integration
The FANUC VFAS3-4110PC supports EtherNet/IP, Modbus TCP, and Modbus RTU Slave protocols, making it easy to integrate into existing PLC or DCS networks. The built-in web server (HTTP) allows simple configuration and monitoring via a standard browser. For advanced applications, optional EtherCAT, encoder, and I/O cards expand its capabilities. This drive is designed for 3-phase induction and permanent magnet AC motors.
Selection Guide & Purchasing Advice
Before ordering, verify that your motor’s horsepower and voltage match the 15 hp, 460 VAC rating of the VFAS3-4110PC. Confirm the required communication protocols (EtherNet/IP, Modbus, etc.) and whether you need the optional EtherCAT or I/O cards. Also, consider the ambient temperature range (-15 to 50 °C) to ensure proper operation in your facility. PLC Source PRO offers this genuine FANUC part with reliable sourcing and fast delivery—trust our expertise for your automation spares.