Type selection instructions:

A.  Please read the product instructions carefully, choose the type according to the function and power you need, and avoid the damage caused by wrong wiring;

B.  This Frequency converter does not support single-phase motor speed regulation with capacitance.;

C.  Speed regulation of three-phase AC motors with six or more stages. Please purchase a converter with higher power than the motor;

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D.  If you don’t know how to choose the type, you can also contact us to give you some suggestions.

E. WK310 series frequency converters do not have RS485 communication function by default, nor do they have built-in braking units. If you need RS485 communication function of frequency converter or need to use with brake resistance, please buy our WK600 series frequency converter.

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WHY DO YOU CHOOSE US?

• Our products have excellent performance.

A.  0.5Hz can provide 150% starting torque;

B.  Overload capacity: 150% rated current 60s; 180% rated current 10s;

C.  Carrier frequency: 0.5k ~ 15.0kHz.

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• Our products have powerful functions.

A. PID control function — Closed-loop automatic control technology;

B. Multi-speed control function — 8-speed control;

C. Multiple Protection of Motor—Short-circuit, phase-absence, over-current, over-voltage, under-voltage, over-heat, over-load protection, etc.

• Our products have a comprehensive configuration.

A. 17 functional terminals—Hundreds of functions can be realized through different combinations

B. Relay output—More complex linkage control functions can be realized.

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wiring diagram

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R,S, T are input terminals of three-phase power supply of frequency converter

U, V, W are output terminals of frequency converter, and connected three-phase asynchronous motor.

PRODUCT DETAILS

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RECOMMENDED ACCESSORIES

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A. Terminal wiring diagram of our products

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B. Technical specification for our products

● Input and output characteristics

Input voltage range: 220V/380V±15%

Input frequency range: 47~63Hz

Output voltage range: 0~rated input voltage

Output frequency range: 0~650Hz

● Peripheral interface features

Programmable digital input: 4 inputs

Programmable analog input: AI1: 0~10V input, AI2: 0~+5V or panel potentiometer input

Open collector output: 1 output

Relay output: 1 output

Analog output: 1 output,  optional 4~20mA or 0~10V

● Technical performance characteristics

Control: PG-free vector control, V/F control

Starting torque: without PG vector control: 0.5Hz / 150% (SVC)

Speed ratio: no PG vector control: 1: 100

Speed control accuracy: PG vector control: ± 0.5% of the maximum speed

Carrier frequency: 0.5k ~ 15.0kHz

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● Features

Frequency setting mode: digital setting, analog setting, serial communication setting, multi-speed, PID setting.

PID control function

Multi-speed control function: 8-speed control

Swing frequency control function

Instantaneous power outage without stopping function

REV / JOG key function: user-defined multi-function shortcut keys

Automatic voltage adjustment function: When the grid voltage changes, the output voltage can be automatically maintained constant

Provide up to 25 kinds of fault protection: over-current, over voltage, under voltage, over temperature, phase loss, overload and other protection.

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Company and Services

• Strict production management

5S Management, Standardized Production and Strict Testing

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