Variable Frequency AC Drive

We are leading supplier and distributor of Automatic Variable Frequency AC Drive (S-Series)

Small and Easy to use

Features :

• Automatic torque boost & slip compensation
• Output frequency 0.1— 400Hz
• Low noise carrier frequency up to 10kHz
• Process follower 0-10VDC, 4-20 mA
• MODBUS communication RS 485 (Baud Rate 38400)
• Coast or ramp to stop
• Momentary power failure restart & fault restart
• Adjustable V/F curve and automatic voltage regulation
• Sleep / Revival function
• Optional communication modules (DN-02, LN-01, PD-01).

Variable Frequency AC Drive (M-Series)

Sensorless Vector Control Micro Drive

Features :

• Automatic torque boost & slip compensation
• Output frequency 0.1-- 400Hz
• Low noise carrier frequency up to 15kHz
• Process follower 0-10VDC, 4-20 mA
• Communication interface RS 485 (Baud Rate 38400)
• Energy saving & automatic voltage regulation
• Adjustable V/F curve and Simple vector control
• PID feedback control
• Simple position control
• Sleep / Revival function build-in
• Zero speed holding function

Variable Frequency AC Drive (B-Series)

General Purpose

Features :

• Output frequency 0.1— 2000Hz
• Automatic torque boost & slip compensation
• RID feedback control & PG feedback control
• Pump control & automatic energy - saving
• Process follower - 10-10VDC, 0-10VDC, 4-20 mA
• MODBUS communication RS 485 ( Baud Rate 38400)
• Coast or ramp to stop
• Adjustable V/F curve and automatic voltage regulation
• Auto tuning & sensor less vector control
• Sleep / Revival function
• Master / Auxiliary and 1st /2nd frequency source selectable
• 4 independent accel. / decel. times and 2 S—curve selections

Classical Held Oriented Control (FOC)

Features :

• Field oriented control with built-in PLC function
• Wide variety of applications
• Wide range of models to meet requirements
• Modular design for easy maintenance and many extensions
• High-speed communication interface with built-in CANopen and MODBUS communication (Optional cards for PROFIBUS-DP, DeviceNet, MODBUS TCP and EtherNet/IP)
• Long-life design and life detection of important components
• Enhanced protections and adaptation to ambient conditions

Compact Multi-Function

Features :

• Output Frequency : 0.1-600Hz.
• 3 Points adjustable V/F Curve.
• Low Noise Carrier frequency upto 12 KHz
• Process Flower 0-10V DC, 4-20mA
• 6 multifunction inputs
• Built-in EMI Filter.
• Built-in RS-485 Serial Interface.
• NPN / PNP Selection.
• Optional Field bus Modules
• RID Feedback Control
• Auto Energy saving function.
• Easy DC BUS sharing

Fan and Pump purpose

Features :

• Output frequency 0.1-120 Hz
• Cost effective.
• Variable Torque.
• Automatic torque boost & slip compensation.
• PID feedback control.
• Pump control & automatic energy - saving function.
• Communication interface RS-485 (Baud rate 38400).
• Coast or ramp to stop.
• Adjustable V/F curve and automatic voltage regulation.

Industrial Variable Frequency AC Drive (L-Series)

Features :

• Low noise; carrier frequency up to 10kHz.
• Controlled reversing.
• 2 inputs and 1 output terminal for external controls.
• Adjustable V/F curve. OAdjustable accel / decel time.
• RS-485 communication (Baud rate 9600).
• Option: Programmable Keypad (VFD-PUO2).
• Rated frequency range 1Hz — 120Hz
• Built-in EMI Filter

Field oriented FOG + PG control AC Drive

Features :

• Output frequency : 0 — 3000 Hz.
• Orientation function for spindle motor
• Special parameter for winder/unwinder application
• Starting torque is150`)/0 for 0.5 Hz and 0 Hz with FOC+PG control mode
• V/F, FOC+PG, SVC, Torque+PG, Position control
• 150 °A holding torque with speed feedback.
• PG close-loop control, speed control range 1:1000
• 10 communication address for block transfer
• Mechanical braking release control function
• Motor overheat protection
• Constant torque and variable torque selection
• Maximum Torque Limit 200%
• Static and rolling test of motor
• Auto Energy saving at light load
• Home search, Pulse command and 16 point positions control

Design for Elevator Application

Features :

• High performance field oriented control(FOC)
• Design for Induction motor & permanent magnet synchronous motor
• AC PM Synchronous motors, it can auto detect the position of magnetic pole when start-up
• Support emergency rescue system; supply DC48/96V low voltage operation (EPS).
• 5 Point adjustable V/F, Field Oriented Control+PG, Sensorless Vector Control, Torque+PG, Position control
• Include auto tuning, starting torque loading compensation function
• Built in elevator start/stop control operation procedure.
• Built in adjustable elevator braking contact outputs.
• Support digital LED keyboard programmable function.
• Include dynamic and static motor parameter auto tuning function.
• All series built in braking resistor unit.
• Support ABZ, LINE DRIVE and SIN, COS encoder (absolute).
• RS-485 & CAN bus serial interface.

SVC Micro Drive

Specially designed for elevator door application

Features :

• The drive runs with open Loop and close loop function.
• The drive runs with Encoder.
• In built PG card.
• V/F and Vector base control method.
• Motor auto tuning and Door width auto tuning function.
• S curve for smooth operation.
• Adjustable curve of door open and close function.
• Use with external controller due to specific inputs/outputs
• IP20, compact, easy to install
• Convenient to adjust and maintain

High Performance/flexible Extension IVIICRO lype AC Motor

Features :

• Output Frequency : 0.1 - 600 Hz
• Built-in PLC Function 500 Step program in Ladder Language
• Side by side installation
• Easy maintenance
• Modular & Compact Design
• Built-in MODBUS communication
• Optional Field bus module
• Flexible Extension
• RFI switch for IT mains
• Built-in EMI Filter

SVC Micro Drive

Special for Trade Mill application

Features :

• 16 - bit CPU, SPWM Control
• Output frequency : 0.1 to 400 Hz
• External Keypad available.
• Low noise, carrier frequency from 1 to 16 KHz
• Sensorless vector control, low speed & high torque
• Auto voltage regulation • Adjustable LV Level e Easy to adjust
• Analog & pulse speed change • Reverse inhibit function.
• Communication interface RS-485 (Baud rate 38400)

Active Front End unit

Features :

• Replaces traditional brake resistor to reduce heat energy.
• Clear energy savings: more than 95% of the energy is regenerated and supplied back to the mains.
• Full-load operations: input-side current THD lower than 4% and power factor up to 99%
• AC motor drives with AFE2000 supports 4-quadrant operation with variable frequencies and adjustable system.
• Constant DC bus voltage: unaffected by mains voltage fluctuations.

Power Range

• 230V : 10 HP - 50 HP
• 415V: 10 HP 100 HP

Smai1 and Easy to use

Features :

• Automatic torque boost & slip compensation
• Output frequency 0.1— 400Hz
• Low noise carrier frequency up to 10kHz
• Process follower 0-10VDC, 4-20 mA
• MODBUS communication RS 485 (Baud Rate 38400)
• Coast or ramp to stop
• Momentary power failure restart & fault restart
• Adjustable V/F curve and automatic voltage regulation
• Sleep / Revival function
• Optional communication modules (DN-02, LN-01, PD-01)

C200 Series
Features
The VFD-C200 Series is an intelligent vector control micro drive that provides versatile control modes for motors and includes built-in PLC functions with capacity up to 5,000 steps. It is suitable for harsh environment applications with a strengthened thermal and anti-dust design that provides comprehensive protection.
Specifications
uilt-in PLC program with 5,000 steps capacity 
Built-in brake chopper
MODBUS RS-485 and CANopen (Slave) 
The high-brightness LED keypad shares the same extension cable of the VFD-E/M/B Series to maximize operation distance 
Supports open loop control of permanent motors (PM Sensorless)
Two high speed pulse input terminals MI7 and MI8 built-in with maximum speed up to 33kHz 
Two high speed pulse output terminals DFM1 and DFM2 built-in with maximum speed up to 33kHz 
New PCB coating for circuit (IEC 60721-3-3 class 3C2) and thermal design suitable for harsh environment applications 
C200 Series Frame A supports wall mounted installation 
Applications 
Food packaging machinery, conveyors, textile machinery, woodworking machinery, fans, pumps 

We are leading supplier and distributor of Delta make vfd C2000 Series
Features
The VFD-C2000 series is a high-level field oriented control AC motor drive with a high-performance variable-frequency technology, FOC control. It features versatile driving controls, modular design, wide variety of applications, easy maintenance, low malfunction rate, self diagnosis and competitive market price and brings customers not only the high-efficiency construction but also the most economic solution to compete with the global market.
Specifications
Speed/torque/position control mode, dual rating design (Normal duty/heavy duty) 
Outstanding 4-quadrant torque control/limit
2 in 1 (induction motor and synchronous motor)
Built-in Delta PLC function, safe stop function and brake unit 
Support of various network protocols
Synchronous position control
Long-life design and life detection of important components
Enhanced protections and adaptation to ambient conditions 
Complies with global safety standards, including CE, UL and cUL 
Modular design for easy maintenance and many extensions
High-speed communication interface with built-in CANopen and MODBUS  communication (optional cards for PROFIBUS-DP, DeviceNet, MODBUS TCP and EtherNet/IP) 
Applications 
Crane and printing machines 
 

VFD-VJ Series
Features
The Delta Hybrid Servo Drive VFD-VJ Series is designed with AC servo technology to drive hydraulic systems with perfect control of the drive, motor and hydraulic unit.
Specifications
Field Oriented Control
Suitable for both synchronous servo motors and asynchronous servo motors 
Built-in brake unit (up to 22kW) 
RS-485 communication interface (RJ-45) and standard MODBUS communication protocol 
Precise current detection for system protection with safety ensured 
New software for PC connection allows real time monitoring of AC motor drive status
Structure of a Hybrid Servo System
When pressure and flow instructions are given to the injection molding machine, the Delta VFD-VJ series begins PID calculation simultaneously to attain the actual pressure and speed feedback data, and drive the servo motor and the hydraulic pump. The Delta VFD-VJ series offers you a system with fast response and high duplication accuracy.
 

VFD-E Series
Features
Sensorless Vector AC Micro Drive. The VFD-E series represent Delta Electronics low horsepower, constant torque, IP20 rated Drive. Modular in design with flexible extension cards and a built-in PLC function, the E drive offers the ability to write and to execute simple Ladder Logic programs. This state-of-the-art series meets a full range of application requirements.
Specifications
Output frequency: 0.1~600Hz
Modular & compact design
Built-in PLC function
Built-in EMI filter (230V 1 phase / 460V 3 phase) 
Optional Fieldbus Modules (DeviceNet, Profibus, LonWorks and CANopen) 
RFI-switch for mains
Easy DC BUS sharing 
Flexible extension
Complete Protection
Applications
Smaller cranes; washing machines; treadmilsl; robot arm of injection machine (clamp); elevator; grinding machine; drilling machine; wood machine; webbing loom; air conditioner for large buildings; water supply system for large buildings, etc. 

VFD-EL Series
Features
The VFD-EL series is multiple function new generation micro type AC drive. It has built in EMI filter, RFI switch, easy DC bus sharing for side-by-side installation, high precision current detection, overload protection, and a built In keypad.
Specifications
Output frequency: 0.1 ~ 600Hz
3 points adjustable V/f curve 
Built-in PID feedback control
RFI-switch for IT mains
Built-in EMI filter (for models 230V 1-phase and 460V 3-phase)
Use RS-485 communication interface (RJ-45) with Modbus protocol 
Optional communication modules for multiple communication protocols, such as Profibus, DeviceNet, LonWorks and CANopen
Complete protection function 
Applications
Small size pump & fan, blowing machine, conveyer belt, simple DIY processing equipment 

VFD-VE Series Features
This series adopts FOC (Field Oriented Control) which is a far more precise vector control algorithm. It can be used in both speed control and position control similar to a servo motor drive. The multi-function I/O terminal is expanded to meet users' various application needs. In addition, it is supplied with a Windows based PC software program for managing parameters and dynamic monitoring. It provides an excellent solution for load regulation. It can output 150% of rated torque at zero speed, and it can have "point to point" and relative distance control functions for position control, making it the best choice for challenging industrial control applications.
Specifications
Output frequency: 0~600Hz 
4 points adjustable V/F curve, Sensorless Vector Control, Field-Oriented Control 
Position/Speed/Torque control mode
Sensorless Vector Control 150% torque at 0.5Hz
150% holding torque with speed feedback
Overload : 150% for 1 minute and 200% for 2 seconds
Rotational/Static Auto-tuning for the motor parameters and Auto-tuning for load inertia 
Excellence torque limit in all 4 quadrants of operation 
Dual RS-485 ports, Fieldbus and PC software tools for applications
Applications
Power transmission equipment, elevator, crane, CNC tooling machines, extrusion machines, injection molding machines, and auto-storage and retrieval systems. 

VFD-B Series
Features
Sensorless Open and Closed Loop Vector AC Drive. The VFD-B series represents Delta's NEMA1 general purpose AC drive. The VFD-B series drive is rated to provide constant torque, featuring open and closed loop vector control. Delta offers an optional 2000 Hz high speed output that can be factory programmed at the customer's request.
Specifications
Output frequency 0.1 ~ 400 Hz 
Adjustable V/f curve and vector control
Master/Auxiliary and 1st / 2nd frequency source selectable
16-step speed control and 15-step preset speed process control 
Built-in PID feedback control 
Auto torque boost & slip compensation 
Built-in Modbus communication, baud rate up to 38400 bps
Support communication module (DN-02, LN-01, PD-01) 
Applications 
Air conditioners for large buildings; woodcarving machine; punching machine; wastewater treatment systems; crane drive and swivel; washing machine; vertical stamping machines; compressor; elevator; escalator; circular loom; flat knitting machine; pasta machine; four-sided woodworking planer, etc  

VFD-F Series 
Features
Variable Torque AC Drive. Specifically designed for medium and high horsepower fan and pump applications. The F series offers an adjustable V/F curve and automatic voltage regulation. It also offers the capability of connecting and running consecutively four motors. A set of motors consisting of 1 variable-speed motor and 3 constant-speed motors is allowable.
Specifications
Output frequency 0.1 ~ 120 Hz
Adjustable V/f curve
16-step speed control and 15-step preset speed process control
Built-in PID feedback control
Time/fix amount circulation control 
Built-in MODBUS communication, baud rate up to 38400 bps 
Support communication module (DN-02, LN-01, PD-01)
Applications
Air conditioner for large buildings; wastewater treatment system; water supply system for large buildings; public water supply system, etc. 

VFD-M Series
Features
Sensorless Vector Micro AC Drive. The compact design is ideal for small and medium horsepower applications. The M drive is designed to provide an ultra-low-noise operation, and includes several innovative technologies that reduce interference.
Specifications
Output frequency 0.1 ~ 400 Hz 
Adjustable V/f curve and vector control 
Carrier frequency up to 15 kHz 
Auto torque boost & slip compensation 
Built-in PID feedback control 
Built-in MODBUS communication, baud rate up to 38400 bps 
0 speed holding function 
Built-in sleep / revival function 
Support communication module (DN-02, LN-01, PD-01)
Applications   Packing machine; dumpling machine; treadmill; temperature/humidity control fan for agriculture and aquaculture; mixer for food processing; grinding machine; drilling machine; small size hydraulic lathe; elevator; coating equipment; small size milling machine; robot arm of injection machine (clamp); wood machine (two-side woodworking planer); edge bending machine, elasticizer, etc.

VFD-S Series  Features

General Purpose AC Micro Drive. Delta Electronics most cost effective general purpose drive. The VFD-S series drive is famous for its low-noise carrier frequency feature and easy to use keypad.

Specifications
Output frequency 1.0 ~ 400 Hz 
Adjustable V/f curve 
Carrier frequency up to 10 kHz 
Built-in PID feedback control 
Built-in MODBUS communication, baud rate up to 38400 bps 
Momentary power failure or fault restart 
Built-in Sleep / Revival function 
Support communication module (DN-02, LN-01, PD-01)
Applications
Air conditioner for large buildings; water supply system for large buildings; temperature control of middle/large oven; webbing loom; packing machine; conveyer belt; fan of drying machine, etc. 

VFD-L Series  Features

Sub-fractional low cost AC Drive. Specifically designed for low horsepower applications with built-in EMI filter to efficiently reduce electromagnetic interference and to conform to the CE EMI directive.

Specifications
Output frequency 1.0 ~ 400Hz 
Adjustable V/f curve 
Carrier frequency up to 10 kHz 
Auto torque boost and slip compensation 
Build-in MODBUS communication, baud rate up to 9600 bps 
Built-in EMI filter

Applications 
Simple wood cutting, conveyer belt, wire drawing machine, etc. ns
 

VFD-V Series  Features 
 
Flux Vector/Torque Control AC Drive. Offering V/F, Open Loop, Closed Loop and high speed control options. All VFD-V series drives are constant and variable torque rated. This NEMA 1rated flux vector drive is capable of 0-3000Hz in V/F mode, and offers rapid response, pinpoint servo position control and speed adjustment.
Specifications
Power Range: 230V 3-phase: 1~50HP; 460V 3-phase: 1~100HP 
Sensorless vector control with speed control range 1:100 
PG closed loop control with speed control range 1:1000 
Output frequency range is 0~600Hz 
Adjustable V/f curve 
Automatic torque boost and slip compensation 
16-step preset speed control and 15-step PLC operation 
Built-in PID feedback control with Sleep/Wake function 
Optional PG encoder card for speed feedback and positioning 
4 sets of accel/decel time selections and independent accel/decal 
S-curve settings 
Specific process control and energy saving operation for fan and 
pump application 
Built-in communication interface RS-485 Modbus (RJ11) 
Auto-tuning and FOC (field oriented vector control) 
Applications
Woodcarving machine; crane hoisting; drilling machine; CNC lathe; tooling machine; middle/low-speed passenger elevator; PCB routing machine, etc.