KL4022

KL4022

KL4022

 模擬量信號連接應(yīng)注意的問題變頻器中的模擬量輸入信號，通常指0～10V/5V 的電壓信號或0/4～20 ｍＡ的電流信號；這些模擬量輸入信號可通過接線端子由外部給定，當(dāng)變頻器與P L C 連接時，這些模擬量輸入信號也可來自PLC 的模擬量輸出信號，如圖3 所示。在進(jìn)行模擬量的連接時應(yīng)注意：

（1）阻抗匹配。根據(jù)變頻器的輸入阻抗選擇P L C 的輸出模塊，實現(xiàn)兩者的阻抗匹配。

（2）電壓范圍。當(dāng)變頻器和P L C 的電壓信號范圍不同時（如變頻器的輸入信號為0～10V，而PLC 的輸出電壓信號范圍為0～5V 時；或PLC 的一側(cè)的輸出信號電壓范圍為0～10V而變頻器的輸入電壓信號范圍為0～5V時），需采用串聯(lián)電阻的方式進(jìn)行分壓，以保證兩者在正常電壓范圍內(nèi)

工作，避免電壓過限可能損壞器件。

（3）采用屏蔽電纜或絞合電纜。對于變頻器和P L C 而言，弱電控制信號（電壓0～5V/10V、電流0/4～20ｍＡ等）易受到外界強(qiáng)信號的干擾，對控制信號采取適當(dāng)?shù)钠帘未胧?。常用的方式就是采用屏蔽電纜進(jìn)行屏蔽；對于長距離的控制回路宜采用絞合電纜，絞合電纜的絞合間距盡可能小。

（4）主、控電纜分開布線。實際連線時，注意主、控電纜分開布線，且相隔的距離。以保證主電路側(cè)的干擾及噪音影響不到控制電路。

25C-D010N114   1   面價7808

25C-D017N114   1   面價10712

800H2HAD10R7   10 19年面價6588.8

6SL3320-1TG31-0AA3 1 

A5E00314745 9 

A5E00680725 9 

6SL3060-4AJ20-0AA0 50 

VW3A7105  2

ACS550-1-01-015A-4               1

ACS550-01-015A-4

516-3AN00-0AB0         1

532-1BL00-0AA0        4

523-1BL00-0AA0

1769-l33ERM      1   面價 37403

ATV320U15N4C     1

6SL3120-2TE13-0AA4       1

6ES7531-7KF00-0AB0            1

6ES7322-5SD00-0AB0   6

6ES7870-1AB01-0YA1   2

6ES7441-2AA05-0AE0    3----------

6ES7443-1PX11-0XE0    3------------

6ES7195-1GC00-0XA0    3

6ES7212-1BB23-0XB8數(shù)量2

155-6AA00-0BN0數(shù)量1

6GK1503-3CB00    1

6ES7510-1DJ01-0AB0       1

西門子 PR0X-H472LF-PU-062L1-GID    1

ACS850-04-030A-5+E200+K469   數(shù)量   1

6ES7134-4MB02-0AB0  數(shù)量 1

ATV1200C-E1202118  1個

TM258LF42DT    2

TM258LD42DT   2個

3BSE042235R2     1件---------------

PP845A--------------

?BMXAM00802   2個

BMXCPS3500     1

140CRA30200   2  -----------------

6GK5991-2AB00-8AA0    10個

3BSE050091R20 PFEA112-20    2------------

西屋 westinghouse MIRO 2/16   6200057 1個

620-0057

6GK7243-1EX01-0XE0    2---------------

6EX7008-1BC41-1DC0 4*6㎜2/4*0.5㎜2=32-m   2條

S-32E3-32H

AS-25E3-25H

HWL2K0I8

HWA1K5U131（30030022）

HWL2KOM4(30020028)

HWL2K0D61(30020024)

HAT1500-S 715298    

FT211

MX213

LM201

FM211

DIO232

PTAI216

LM201

ISI222

CM202

DI232

DO232

AIO288

RS204

EM203

6SL3210-1SE11-7UA0   數(shù)量：5

6SL3224-0BE31-1AA0    1

6ES7 226-6BA32-0XB0   1

ABB   SPBRC410  數(shù)量8個

XBTF034510數(shù)量1

7MB2335-0PG00-3AA1    2

A5E00338540    1

6SL3224-0BE31-1AA0    1

6SL3210-5BE27-5CV0   

6SL3210-5BE15-5UV0    各16

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Enlarge

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