single-board inverter/ variable frequency converter/ ac motor drive/ variable speed regulator/ VSD/ VFD/ 220VAC/ 400HZ/ drive

Modulation

SPWM

Supply voltage

380V: 380±15%; 220V:220±15%

5Digital Display & Status Indicator Lamp

Displaying frequency, current, revolution, voltage, counter, temperature, forward or reverse, fault, etc.

Communication Mode

RS-485 serial communication

Communication Protocol

Holip Communication Protocol

Modbus Protocol

Surroundings

Temperature: -10~40℃

Humidity: 0-95% Relative Humidity (Non-dewfall)

Vibration: Below 0.5g

Frequency control

Frequency Range

0.10~400.00Hz

Accuracy

Digital: 0.01%(-10~40℃); Analog: 0.1% (25±10℃)

Reference Resolution

Digital: 0.01Hz; Analog: 1‰ of Maximum output frequency

Resolution

0.01Hz

Frequency Setting by LCP

By the buttons of ← ∧ ∨ .

Frequency Setting by Analog

External power: 0-5V, 0-10V, 4-20mA, 0-20mA.

Other Functions

Frequency low limit, Start Frequency, Stop Frequency, Frequency Bypass Function(Three bypass speeds can be set separately)

General Control

Ramp Time

 4  group of ramp time (0.1-6500s).

V/F Curve

Set V/F curve at will.

Torque Control

Maximum torque compensation can reach 10%;

Start up torque can reach 150% while 1Hz.

Programmable Digital Input

Six programmable digital inputs for 8-speed control, Simple PLC, Ramp time selecting, Up and Down function, Counter, Emergency stop, etc.

Programmable Digital Output

Five programmable digital outputs for indicating the status of the drive, below the start frequency, counter, fault, the status of sample PLC and alarm.

Other Functions

Automatic Voltage Regulation, Ramp to stop or Coasting, DC brake, Automatic reset and restart, Flying start, Sample PLC, Wobble, quasi winding and unwinding function, Automatic energy-saving function, User-definable switch frequency(0.7-20KHz)

Protections

Overload Protection

Electronic relay protection for motor

Frequency converter(Constant torque:150%/1min)

Fuse Protection

If Fuse has blown, motor will stop.

Overvoltage Protection

220Vclass: DC voltage >400V

380V class: DC voltage >800V

Under voltage Protection

220V class: DC voltage<200V

380V class: DC voltage<400V

Flying start after transient supply loss

Flying start after transient supply loss

Anti-stall Function

Prevent stalling when running, accelerating and decelerating.

Output short circuit protection

Electric circuit protection

Other Functions

Heat sink over-temperature protection, Restriction against reverse, Fault reset, Parameter lock, one for two, etc.