Product Overview
The FANUC VFAS3-4007PC is a high-performance AC drive from the Toshiba AS3 series, designed for precise control of 3-phase induction and permanent magnet AC motors. With a compact A1 frame and UL Type 1 enclosure, this drive delivers reliable operation in demanding industrial environments. The VFAS3-4007PC supports multiple control modes—V/Hz, FOC, encoder, or torque—making it a versatile choice for a wide range of applications.
Equipped with integrated dynamic braking, a built-in EMI filter, and Safe Torque Off (STO), this drive enhances both safety and performance. Its dual Ethernet ports and RS-485 interface enable flexible networking, while optional EtherCAT, encoder, and I/O cards extend its capabilities further.
Technical Specifications
The following table summarizes the key technical parameters of the FANUC VFAS3-4007PC:
| Parameter |
Value |
| Nominal Input Voltage |
460 VAC |
| Nominal Output Voltage |
460 VAC |
| Input Phases |
3 |
| Output Phases |
3 |
| Horsepower (3-phase input) |
1 HP |
| Amperage Rating |
2.2 A |
| Variable Torque Amperage |
4 A |
| Control Modes |
V/Hz, FOC, Encoder, Torque |
| Integrated EMI Filter |
Yes |
| Safe Torque Off (STO) |
Yes |
| Temperature Rating |
-15 to 50 °C |
| Enclosure Type |
UL Type 1 |
| IP Rating |
IP20 |
| Mounting |
Panel or wall |
| Frame Size |
A1 |
| Dynamic Braking |
Integrated |
| Carrier Frequency |
1–16 kHz |
| Output Frequency Range |
0.1–590 Hz |
These specifications ensure the VFAS3-4007PC delivers precise motor control and robust performance in a compact footprint.
Key Features & Benefits
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High-Performance Control: Switch between V/Hz, FOC, encoder, or torque modes to match your application’s requirements.
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Integrated Safety: Safe Torque Off (STO) and built-in dynamic braking enhance operator and equipment safety.
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Flexible Connectivity: Two Ethernet ports (RJ45) and one RS-485 port support EtherNet/IP, Modbus TCP, and Modbus RTU Slave protocols.
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Wide I/O Capabilities: 3 analog inputs, 2 analog outputs, 8 discrete inputs, and 3 relay outputs provide ample control flexibility.
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Built-in Filtering: The integrated EMI filter minimizes electrical noise, ensuring stable operation.
Industry Applications
The FANUC VFAS3-4007PC excels in applications requiring precise speed and torque control. Common use cases include:
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Conveyor Systems: Use V/Hz mode for simple speed control or FOC for high-accuracy positioning.
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Pumps and Fans: The variable torque rating (4 A) makes it ideal for centrifugal loads, reducing energy consumption.
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Machine Tools: Encoder feedback mode enables precise spindle control, improving machining quality.
Its compact A1 frame and panel/wall mounting allow easy integration into existing machinery.
Installation & Setup Guidance
Proper installation ensures optimal performance. Follow these steps:
- Mount the drive on a flat, vertical surface using the provided slots. Ensure adequate clearance for airflow.
- Connect the 3-phase input power (460 VAC) to the designated terminals. Use the built-in DC reactor and EMC filter as supplied.
- Wire the motor to the output terminals, ensuring correct phase sequence.
- For communication, connect Ethernet cables to the RJ45 ports and RS-485 wiring to the corresponding terminal.
- Configure control modes and parameters using the user sequence programming language.
Always use screw terminals for connections and install a user-supplied external fuse for protection.
Maintenance & Reliability
Regular maintenance extends the life of your VFAS3-4007PC. Inspect the drive periodically for dust accumulation on the heatsink and ensure the cooling fan operates correctly. Check all terminal connections for tightness. Operate within the specified temperature range (-15 to 50 °C) to prevent overheating. The built-in STO and dynamic braking add layers of protection, reducing downtime.
Compatibility & Integration
The VFAS3-4007PC integrates seamlessly with industrial networks. Its protocols include EtherNet/IP, Modbus TCP, and Modbus RTU Slave, allowing connection to PLCs and HMIs. The non-secure HTTP web server enables remote monitoring via a standard browser. Optional EtherCAT, encoder, and I/O cards expand its functionality further.
Selection Guide & Purchasing Advice
Before purchasing, verify that the VFAS3-4007PC meets your voltage, horsepower, and control requirements. Check the available communication ports and protocols to ensure compatibility with your existing system. Consider optional cards if you need additional I/O or encoder feedback. For a reliable supply of genuine parts, PLC Source PRO offers this drive with fast shipping and professional support.