EMZ9371BC

EMZ9371BC

EMZ9371BC

數(shù)字量信號連接應注意的問題

變頻器的輸入信號中包括對運行/ 停止、正轉(zhuǎn)/ 反轉(zhuǎn)、點動等運行狀態(tài)進行操作的數(shù)字量輸入信號（開關型指令信號），這些信號常來自PLC 的數(shù)字量輸出信號。PLC 通常利用其內(nèi)部的繼電器接點（繼電器輸出型P L C ）或具有開關特性的元器件（晶體管輸出型PLC）與變頻器相連，得到運行狀態(tài)指令，如圖1 和圖2 所示。在進行數(shù)字量信號的連接時應注意：

（1）使用繼電器輸出型P L C 與變頻器相連時，應注意接觸不良常帶來變頻器誤動作，因此在實際接線中要注意連接可靠。

（2）使用晶體管輸出型P L C 與變頻器相連時，應注意晶體管本身的電壓的高低、電流的大小等限制條件在其范圍內(nèi)，保證系統(tǒng)的可靠性。

（3）設計變頻器的輸入信號電路時，應盡量避免采用繼電器等感性負載，因繼電器開閉產(chǎn)生的浪涌電流可能引起變頻器的誤動作。

（4）當P L C 輸出的開關信號進入變頻器時，有時會發(fā)生外部電源和變頻器控制電源之間的串擾，應注意對P L C和變頻器分開接地，避免兩者使用共同的接地線。

C65NC32/2P+VE+30MA   1

C65N-C4/2P   2

EA9X310   1

ZHN19-30   1

SDR-240-24   1

980810-359-0500   3

908601   24

6GK1901-1BB10-2AA0   10

BT22-400   2

AW92   2

ZDU2.5   100

ZDU1.5   300

ZPE2.5   100

ZQV1.5/10   10

ZQV2.5/10   10

ZAP/TW ZDU1.5/2AN   20

ZAP/TW 1   20

ZEW 35   10

AR10(PNP)   1

E12430   1

E11898   1

EVC904   1

E12425   1

EVC100   6

EVC188   1

EVC812   8

E11550   40

GNT-10   1

OMRON D4SL-N2EFG-D    2只

YOKOGAWA DR1015B60橫河伺服驅(qū)動器   1----------------

6AV6 643-0DD01-1AX1-----------

FR-E740-2.2K-CHT    2

FR-A840-00310-2-60    4

X20 CP 1584     1

EFMPP1BM1   5

EP10BM1   5

EFMPP1BU1   5

EFMPP1BP2   5

EP10AA6   5

EP02AU21   5

QPMCN-600B   5

SV550IS5-4      1

GV3P65   6

ATV93D90N4，2個

ATV930D90N4---------------

RE11RMXMU，2個

SGM7M-A3A3A2C

SGMMV-A3A2A2C 各6

6ES7414-5HM06-0AB0-------------

6ES7412-2EK06-0AB0-------------

153-2BA02-0XB0  2個

K0143AA-AS   1

K0143AA-P   1

6FX2002-1DC00-1BB0 1

6FX2002-1DC00-1AK0 2

6FX2002-1DC00-1BD0 2

6SL3054-0FC01-1BA0 7

6SL3055-0AA00-5CA2 114

6SL3120-1TE21-0AD0 6

6SL3320-1TE37-5AA3-Z T93 2

6ES7135-6HD00-0BA1 6

6SL3120-1TE13-0AD0 4

6ES7134-6GD01-0BA1 20

6ES7132-6BD20-0BA0 2

CIMR-HB4A0039FAA     2

HPU690/061M2/03   2

HD4/p 12.32.40    1

6ES7352-1AH02-0AE0  1--------------

A5E31418276J    1

A5E314182767H    1

A5E32100313    1

A5E37356659    1

A5E37356659    1

A5E01649374    1

A5E39206479    1

6SR5902-0AB02    8

6SR5902-0AA02    1

6FC5851-1XG41-3YA8     1

1SFA894010R7000數(shù)量1

PST142-600-70

193-1EFGE數(shù)量4面價1469

ACS800-31-0060-7數(shù)量1

TM262L10MESE8T數(shù)量1

FDCO-01          6

CIMR-HB4A0039FBC    2

6EP1336-3BA10   2  

193-6CP01-2MA0   數(shù)量280

193-6CP02-2MA0    數(shù)量109

193-6CP04-2MA0    數(shù)量36

193-6CP73-2AA0      數(shù)量182 

6ES7193-6UP00-0BP2   3

6ES7193-6TP00-0TP1   3個， 

6ES7526-2BF00-0AB0   1個

SGMJV-02A3A61

SGMJV-02A3A6C  各1

6SL3225-0BE34-5UA0   3

6SL3225-0BE37-5UA0   9

6SL3320-1TE32-6AA3    1

6SL3320-1TE33-8AA3    2 

6SL3320-1TE35-0AA3    2

6SL3225-0BE31-8UA0    13

6SL3225-0BE34-5UA0    6

6SL3330-6TE35-5AA0    5

6SL3040-1NB00-0AX0  10

6SY7000-0AB30  2

6SY7000-0AB67          2

6SY7000-0AB28.      2

6EP3337-8SB00-0AY0   2

6ES7972-DBA41-0XA0   3

972-0BA41-0XA0

6AV6 648-0BC11-3AX0   2

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