Veichi AC310 Series Variable Frequency Drives
AC310 Series Variable Frequency Drive – AC Drive
Overview
The AC310 series AC drive adopts magnetic field oriented vector control technology, compatible with both synchronous and asynchronous motor control.
Designed for high performance and high reliability, its book-type narrow body design saves installation space while offering excellent ease of use and industry-specific features.
Equipped with a wealth of expansion interfaces and accessories, the AC310 delivers:
- High performance
- High reliability
- High power density
- Broad applicability
It also satisfies the STO safety function in accordance with SIL3 standards.
High-Performance Vector Drive
The AC310 series continues the AC300 hardware design concept while introducing new innovations in functional performance.
- International leading field-oriented vector control
- Compatible with asynchronous and synchronous motor control
- Supports multiple load types including voltage-frequency separation and EPS power supply
- Compact book-style body design with rational component layout
- Rich expansion ports and accessories
Product Features
- High-performance vector universal platform with new motor control algorithm
- Integrated synchronous and asynchronous drives, open loop and closed loop
- Accurate torque excitation decoupling and excellent dynamic response
- Book-style design saves maximum installation space
- Comprehensive thermal simulation ensures efficient hardware layout
- Innovative grounding method quickly resolves EMI problems
- Modular software and hardware design with strong expansion capability
- PCB coated with three anti-paints for environmental adaptability
Standard Machine with Industry Expansion
AC310 integrates industry-specific parameters, allowing a standard drive to cover special applications. Expansion features can be added as needed, improving selection flexibility and competitiveness.
Industry 4.0 Ready
- Supports centralised control via DCS and PLC systems
- Compatible with touch screens and direct AC310 communication
- Standard MODBUS-RTU protocol
- Optional support for PROFIBUS-DP, CANopen, PROFINET
Protection Mechanisms
Hardware Protection
- Output short circuit to ground
- Internal buffer relay
- Fan drive circuit protection
- External 24 VDC short circuit protection
- Motor overload protection
Software Suppression
- Undervoltage suppression
- Overvoltage suppression
- Overcurrent suppression
- Overexcitation suppression
Advanced Control Algorithms
- Supports synchronous, asynchronous, reluctance motors, electric spindles, AC servos
- Control modes include V/F, voltage and frequency separation, open/closed loop vector, speed and torque modes
- Motor self-learning algorithm for accurate setup
- High-speed field weakening with high-bandwidth current vector
Design and Usability
- Narrow body design reduces volume by up to 60%
- Straight-through cooling for side-by-side installation
- New, simplified keyboard with dual display support
- European-style terminals for easy wiring
- Optimised parameter arrangement and intuitive operation
- VCASoft Ver1.3 debugging software reduces setup time
Expansion Capabilities
- Multiple extended interfaces for customisation
- Control board reserves two SPI high-speed extension card channels
- Automatic card recognition with dedicated parameter groups
Industrial Applications
- Fans and water pumps
- Air compressors
- Wire drawing machines
- Injection molding machines
- Ball mills and machine tools
- Industrial washing machines
- Lifting equipment and more
Specifications
Power Levels
- Single phase 220V 50/60Hz: 0.75 – 220 kW
- Three phase 220V 50/60Hz: 0.75 – 220 kW
- Three phase 380V 50/60Hz: 0.75 – 1,120 kW
Input
- Voltage unbalance rate < 3%
- Frequency tolerance ±5%
- Power factor ≥0.94 (with DC reactor)
- Drive efficiency ≥96%
Output
- Voltage: 3-phase, 0 to input voltage (±5% deviation)
- Frequency range: 0 to 800 Hz (G type)
- Overload capacity: up to 200% rated current (0.5s)
Control Performance
- Control modes: V/F, open loop vector, closed loop vector
- Speed control range: up to 1:1000
- Starting torque: 200% at 0 Hz (with PG)
- Torque response: <10 ms (with PG)
Functions
- Torque control, DC braking, torque boost
- Auto voltage adjustment and current limit
- PID control, power off restart, multi-speed, RS485
- Instant power off ride through
Protection
- Overvoltage, undervoltage, overcurrent, overload
- Thermal relay, overheat, stall, phase failure
- Full data protection and fault history
Environmental
- Installation: wall mounted, IP20, forced air cooling
- Altitude: <1000 m (derate above)
- Temperature: -10°C to +50°C (up to 60°C no load)
- Humidity: 5–95% non-condensing