Constant pressure water supply vector frequency converter supply

input

Rated voltage, frequency

Single phase 220V level: Single phase 220V, 50Hz/60Hz; Three phase 380V level: Three phase 380V, 50Hz/60Hz

Allowable voltage fluctuation range

Single phase 220V level: 200-260V; three-phase 380V level: 320-460V

output

voltage

0～380V

frequency

0～600Hz

overload capacity

G-type: 150% rated current for 1 minute; P-type: 120% rated current for 1 minute.

control performance

Control method

No PG vector control, with PG vector control, open-loop V/F control, no PG torque control, with PG torque control

Speed control accuracy

± 0.5% rated synchronous speed (without PG vector control);

± 0.1% rated synchronous speed (with PG vector control);

± 1% rated synchronous speed (V/F control);

speed regulation range

1: 2000 (with PG vector control);

1: 100 (without PG vector control);

1: 50 (V/F control);

Starting torque

1.0Hz: 150% rated torque (V/F control);

0.5Hz: 150% rated torque (without PG vector control);

0Hz: 180% rated torque (with PG vector control);

Speed fluctuation

± 0.3% rated synchronous speed (without PG vector control);

± 0.1% rated synchronous speed (with PG vector control);

Torque control accuracy

± 10% rated torque (without PG vector control, without PG torque control);

± 5% rated torque (with PG vector control and PG torque control).

Torque response

≤ 20ms (without PG vector control);

≤ 10ms (with PG vector control);

Frequency accuracy

Digital setting: high frequency x ± 0.01%; Simulation setting: High frequency x ± 0.5%

frequency resolution

Simulation setting

High frequency 0.1%

Numerical setting accuracy

0.01Hz

External pulse

High frequency 0.1%

Torque increase

Automatic torque boost; Manual torque increased by 0.1-12.0%

V/F curve (voltage frequency characteristics)

The rated frequency can be set arbitrarily between 5 and 650Hz, and five types of curves can be selected: constant torque, decreasing torque 1, decreasing torque 2, decreasing torque 3, and custom V/F

Acceleration and deceleration curve

Two methods: linear acceleration and deceleration and S-shaped acceleration and deceleration; 15 types of acceleration and deceleration times, with optional time units (0.01s, 0.1s, 1s), lasting for 1000 minutes

braking

Energy consumption braking

The EN600 series three-phase power range of 15KW and below has a built-in braking unit, and only a braking resistor needs to be added between (+) and PB; 18.5KW and above power range

Optional built-in braking unit, simply add a braking resistor between (+) and PB, or connect an external braking unit between (+) and (-).

The EN500 series can be equipped with an external brake unit between (+) and (-).

DC braking

Start and stop actions can be selected separately, with an action frequency of 0-15Hz, an action current of 0-15Hz, and an action time of 0-300s

jog

Jogging frequency range: 0Hz to upper limit frequency; Jogging acceleration and deceleration time can be set from 0.1 to 6000.0 seconds

Multi speed operation

Multiple speed operation can be achieved through built-in PLC or control terminals, up to 15 segments, with each segment corresponding to a separate acceleration and deceleration time. The built-in PLC supports power-off saving

Built in PID control

Can easily form a closed-loop control system

Automatic energy-saving operation

According to the load situation, automatically optimize the V/F curve to achieve energy-saving operation

Automatic Voltage Regulation (AVR)

When the voltage of the power grid changes, it can automatically maintain a constant output voltage

auto current limiting

Automatically limit the current during operation to prevent frequent overcurrent faults and tripping

Carrier modulation

Automatically adjust the carrier based on load characteristics

Speed tracking restart

Realize smooth starting of rotating motors without impact

Operation function

Run the command on the given channel

The operation keyboard, control terminal, and communication settings can be switched in multiple ways

Operating frequency given channel

Given the main and auxiliary settings, achieve one main adjustment and one fine adjustment control. Digital Given, Analog Given, Pulse Given, Pulse Width Given, Communication Given

Fixed class can be switched at any time through various methods

Binding function

The command channel and frequency given channel can be freely bundled and switched synchronously

input

Digital input channel

8 universal digital input channels, with a high frequency of 1KHz, of which 1 can be used as a pulse input channel. The large input is 50KHz and can be expanded to 14 channels

output

Analog input channel

2 analog input channels, among which AI1 can choose 4-20mA or 0-10V output, AI2 channel is differential input, 4-20mA or -10~10V output

feature

Optional input, expandable to 4 analog inputs

Pulse output channel

Pulse square wave signal output ranging from 0.1 to 20KHz, capable of outputting physical quantities such as set frequency and output frequency

Analog output channel

Two analog signal outputs, with AO1 channel selectable from 4-20mA or 0-10V, and AO2 channel selectable from 4-20mA or 0-10V to achieve set frequency

The output of physical quantities such as rate and output frequency can be extended to 4 analog outputs

Featured Features

Fast current limiting

Greatly limit the overcurrent of the frequency converter and ensure more reliable operation

Single pulse control

Suitable for situations where one click control of the frequency converter is required, press start once, press stop again, press start again, and repeat this process. this

The usage is simple, reliable, and not easy to operate incorrectly

Fixed length control

Can achieve fixed length control

timing control

Timer control function: Set time range from 0.1Min to 6500.0Min

Virtual terminal

Five sets of virtual input and output IO, which can achieve simple logic control

operate the keyboard

LED display

Can display various parameters such as set frequency, output frequency, output voltage, output current, etc

Key lock

Implement partial or complete locking of keys

protection function

Short circuit detection of power on motor, input/output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection, overheating protection, overload protection

Underload protection, relay closing protection, terminal protection, instantaneous power outage without stopping, etc

environment

Usage location

Indoor, not exposed to direct sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping or salt, etc

altitude

Below 1000 meters. (When the height is higher than 1000 meters, the rated current needs to be reduced by about 10% for each additional 1000 meters of height.)

ambient temperature

-10 ℃~+40 ℃ (If the ambient temperature is between 40 ℃~50 ℃, please reduce the rating or enhance the heat dissipation)

ambient humidity

Less than 95% RH, no condensation of water droplets

vibration

Less than 5.9 meters per second ² (0.6g)

Storage temperature

-40℃～+70℃

structure

Protection level

IP20

cooling method

forced air cooling

Installation method

wall-mounted