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Industrial Washing Machine Solutions

Date:2021-07-30 09:36:59Author:FRECONClick:340

Guide:Industrial washing machine from the ordinary to the development of automatic type, the automatic industrial washing machine mostly adopts multiple double speed AC motor, because of the characteristics of simple structure, stable, cheap, widely used. But its shortcoming is the speed adjustment performance is bad, the speed catastrophe is big, the vibration is big. With the development of power semiconductor technology, AC inverter has been widely used in industrial washing machines in recent years.

1、 Preface

Industrial washing machine from the ordinary to the development of automatic type, the automatic industrial washing machine mostly adopts multiple double speed AC motor, because of the characteristics of simple structure, stable, cheap, widely used. But its shortcoming is the speed adjustment performance is bad, the speed catastrophe is big, the vibration is big. With the development of power semiconductor technology, AC inverter has been widely used in industrial washing machines in recent years.

2、 Process requirements

According to the industrial washing machine load low speed high torque starting and external control interface, FRECON FR200X series inverter can well satisfy the requirements of high torque, multi speed, wide voltage range, high temperature and convenient means of communication, the successful implementation of the low speed high-speed washing, drying and other processes, through practice, to achieve a very good use effect.

The washing process for this type of industrial washing machine is as follows:

图片1.png

Figure 2-1 

3、 Control scheme



图片2.png

      Figure 3-1

The industrial washing machine itself has built-in dedicated control computer for control. The running speed of each process stage set directly in the inverter, taking into account the washing requirements of different washing time, simple PLC built-in dedicated control computer running time of each process stage by the industrial washing machine is controlled by inverter to complete or.

Process parameter table at each stage of washing machine that realized by inverter control:

Technological process

Frequency

Time

Water flooding

Stop

3 min

Wash

10Hz

25 min

Uniform

25Hz

1.5 min

Medium dehydration

80Hz

2 min

Water flooding

Stop

3 min

Rinse once

16Hz

5 min

Uniform

25Hz

1.5 min

Medium dehydration

80Hz

2 min

Water flooding

Stop

3 min

Two rinse

16Hz

5 min

Uniform

25Hz

1.5 min

Medium dehydration

80Hz

2 min

High-speed dehydration

150Hz

5 min

 

4、 Main parameter settings of inverter


Function Code

Parameter Name

Setting Range

Description

F01.01

Master Frequency

Command Source

5

PLC

F01.08

Maximum frequency

150Hz

The maximum frequency is150

F01.09

Upper limit frequency

150Hz

The upper limit frequency is 150

F02.00

Run command

1

Terminal control

F04.00

Function of terminal DI1

1

Running forward

F04.01

Function of terminal DI2

2

Running reverse

F04.02

Function of terminal DI3

7

Fault reset

F05.02

Relay 1 output function

1

Drive is running

F05.03

Relay 2 output function

2

Fault Output

F12.00

Reference 0

0Hz

Water flooding speed

F12.01

Reference 1

10Hz

Washing speed

F12.02

Reference 2

25Hz

Uniform speed

F12.03

Reference 3

80Hz

Medium dehydration speed

F12.04

Reference 4

0Hz

Water flooding speed

F12.05

Reference 5

16Hz

Rinse once speed

F12.06

Reference 6

25Hz

Uniform speed

F12.07

Reference 7

80Hz

Medium dehydration speed

F12.08

Reference 8

0Hz

Water flooding speed

F12.09

Reference 9

16Hz

Two rinse speed

F12.10

Reference 10

25Hz

Uniform speed

F12.11

Reference 11

80Hz

Medium dehydration speed

F12.12

Reference 12

150Hz

High-speed dehydration

F12.18

Running time of step 0

180s

Water flooding time

F12.19

Running time of step 1

1500s

Washing time

F12.20

Running time of step 2

90s

Uniform time

F12.21

Running time of step 3

120s

Medium dehydration time

F12.22

Running time of step 4

180s

Water flooding time

F12.23

Running time of step 5

300s

Rinse once time

F12.24

Running time of step 6

90s

Uniform time

F12.25

Running time of step 7

120s

Medium dehydration time

F12.26

Running time of step 8

180s

Water flooding time

F12.27

Running time of step 9

120s

Two rinse time

F12.28

Running time of step 10

90s

Uniform time

F12.29

Running time of step 11

120s

Medium dehydration time

F12.30

Running time of step 12

300s

High-speed dehydration time


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