Introduction

 

Our Variable Frequency Drive (VFD) is a cutting – edge device designed to revolutionize the way you control electric motors. With advanced technology and a focus on performance, it offers a wide range of benefits for various industrial and commercial applications.

 

Key Features

 

1. Precise Speed Control

 

The VFD allows for highly accurate adjustment of motor speed. Whether you need to operate a motor at a low, constant speed for delicate processes or ramp up to high speeds for heavy – duty tasks, our VFD can meet your requirements. By precisely controlling the frequency of the power supplied to the motor, it ensures smooth and stable operation across the entire speed range. For example, in a conveyor system, you can fine – tune the speed to match the production rate, reducing waste and improving overall efficiency.

 

2. Energy – Saving Capability

 

One of the most significant advantages of our VFD is its energy – saving potential. Traditional motor control methods often result in inefficient power consumption, especially when motors operate at fixed speeds regardless of the load. Our VFD, however, adjusts the power output according to the actual load demand. When the load is low, it reduces the motor’s speed and power consumption, leading to substantial energy savings. In a large – scale manufacturing facility, this can translate into significant cost savings on electricity bills over time.

 

3. Soft – Start and Stop Function

 

The VFD features a soft – start and stop function, which is crucial for protecting both the motor and the connected equipment. Instead of the sudden jolts associated with direct – on – line starting, the soft – start gradually increases the motor’s speed, minimizing mechanical stress and wear – and – tear. Similarly, the soft – stop function decelerates the motor smoothly, preventing damage caused by abrupt stops. This not only extends the lifespan of the motor but also reduces maintenance costs.

 

4. Compatibility and Versatility

 

Our VFD is designed to be compatible with a wide variety of electric motors, including AC induction motors and permanent – magnet motors. It can be easily integrated into existing systems, whether it’s a simple single – motor setup or a complex multi – motor industrial network. Additionally, it offers multiple communication interfaces, such as Modbus and Profibus, enabling seamless integration with programmable logic controllers (PLCs) and other automation devices. This makes it suitable for applications in industries like manufacturing, water treatment, and HVAC systems.

 

Components of the HB-H6 series AC drive (plastic housing)

Variable Frequency Drive (VFD) for HVAC Systems

Components of the HB-H6 series AC drive (sheet metal housing)

Variable Frequency Drive (VFD) for HVAC Systems

 

Product Picture

Variable Frequency Drive (VFD) for HVAC Systems

 

Technical specifications of the HB-H6 VFD

 

ItemSpecifications
Standard functionsMaximum frequencyVector control: 0-300 Hz V/F control: 0-3200 Hz
Carrier frequency0.5-16 kHz
The carrier frequency is automatically adjusted based on the load features.
Input       frequency resolutionDigital setting: 0.01 Hz

Analog setting: maximum frequency x 0.025%

Control modeSensor less flux vector control (SFVC) Closed-loop vector control (CLVC)

Voltage/Frequency (V/F) control

Startup torqueG type: 0.5 Hz/150% (SFVC); 0 Hz/180% (CLVC)

P type: 0.5 Hz/100%

Speed range1:100 (SFVC)

1:1000 (CLVC)

Speed         stability

accuracy

土 0.5% (SFVC) ± 0.02% (CLVC)
Torque         control

accuracy

± 5% (CLVC)
Individualized functionsVirtual I/OsFive groups of virtual DI/Dos can realize simple logic control.
Timing controlTime range: 0.0-6500.0 minutes
Multi-motor switchoverFour motors can be switched over via four groups of motor parameters.
Multiple

communication protocols

It  supports  communication via Modbus-RTU, PROFIBUS-DP,  CANlink and CANopen.
Motor        overheat protectionThe optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection.
Multiple     encoder

types.

It  supports  various  encoders   such  as  differential  encoder,  open-collector encoder, resolved and UVW encoder.
User

programmable function

The optional programming card helps you to realize secondary development.
Advanced

background software

It  supports the  operation of AC  drive parameters  and virtual  oscillate-graph function, via which the state inside the AC drive is monitored.
RUNRunning  command sourceOperation panel    Control terminals

Serial communication port

You can perform switchover between these sources in various ways.

Frequency sourceThere are a total of 10 frequency sources, such as digital setting, analog voltage setting,  analog  current  setting,  pulse  setting  and  serial  communication  port setting.

You can perform switchover between these sources in various ways.

Auxiliary

frequency source

There  are  ten  auxiliary  frequency  sources.  It  can  implement  fine  tuning  of auxiliary frequency and frequency synthesis.
Input terminalStandard:

5 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input5

2 analog input (AI) terminals, one of which only supports 0-10 V voltage input and the other supports 0-10 V voltage input or 4-20 mA current input

Expanding capacity:

5 DI terminals

1  AI  terminal  that   supports   -10-10  V  voltage   input   and   also   supports PT100\PT1000

Standard functionsOverload capacityG type: 60s for 150% of the rated current, 3s for 180% of the rated current

P type: 60s for 120% of the rated current, 3s for 150% of the rated current

Torque boostFixed boost

Customized boost 0.1%-30.0%

V/F curveStraight-line V/F curve Multi-point V/F curve

N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square)

V/F separationTwo types: complete separation; half separation
Ramp modeStraight-line ramp S-curve ramp

Four kinds of acceleration/deceleration time with the range of 0.0-6500.0s

DC brakingDC braking frequency: 0.00 Hz to maximum frequency

Braking time: 0.0-36.0s

Braking action current value: 0.0%-100.0%

JOG controlJOG frequency range: 0.00-50.00 Hz

JOG acceleration/deceleration time: 0.0-6500.0s

Onboard    multiple preset speedsIt implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Onboard PIDIt realizes process-controlled closed loop control system easily.
Auto            voltage

regulation (AVR)

It  can  keep  constant  output  voltage  automatically  when  the  mains  voltage changes.
Over-voltage/

Over-current    stall control

The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to Over-voltage/over-current.
Torque   limit   and controlIt can limit the torque automatically and prevent frequent over current tripping during the running process.

Torque control can be implemented in the CLVC mode.

Individualized functionsHigh performanceControl  of  asynchronous   motor  and  synchronous  motor  are   implemented through the high-performance current vector control technology.
Power dip     ride

through

The load feedback energy compensates the voltage reduction so that the AC drive can continue to run for a short time.
Rapid current limitIt helps to avoid frequent over-current faults of the AC drive.
RUNOutput terminalStandard:

1 high-speed pulse output terminal (open-collector) that supports 0-100 kHz square wave signal output

1 digital output (DO) terminal

1 relay output terminal

1 analog output (AO) terminal that supports 0-20 mA current output or 0-10 V voltage output

Expanding capacity:

1 DO terminal

1 relay output terminal

1 AO terminal that supports 0-20 mA current output or 0-10 V voltage output

Display              and operation    on    the operation panelLED displayIt displays the parameters.
Parameter closeParameters can be cloned quickly via the optional LCD operation panel.
Key   locking   and function selectionIt can lock the keys partially or completely and define the function range of some keys so as to prevent mis- function.
Protection modeMotor short-circuit detection at power-on, input/ output phase loss protection, over-current  protection,   Over-voltage  protection,   under  voltage  protection, overheat protection and overload protection
Optional partsLCD operation panel, braking unit, I/O extension card  1, I/O extension card 2, user   programmable    card,   RS485    communication    card,   PROFIBUS-DP communication card, CANlink communication card, CANopen communication card, differential input PG card, UVW differential input PG card, resolved PG card and OC input PG card
EnvironmentInstallation locationIndoor,  free  from  direct  sunlight,  dust,  corrosive  gas,  combustible  gas,  oil smoke, vapor, drip or salt.
AltitudeLower than 1000 m
Ambient

temperature

-10°C to +40°C
HumidityLess than 95%RH, without condensing
VibrationLess than 5.9 m/s2 (0.6 g)
Storage

temperature

-20°C to +60°C
IP levelIP20
Pollution degreePD2
Power  distribution systemTN, TT