IC693CHS391

IC693CHS391

IC693CHS391

數(shù)字量信號連接應(yīng)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(guān)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(guān)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(yīng)注意：

（1）使用繼電器輸出型P L C 與變頻器相連時，應(yīng)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(yīng)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(shè)計變頻器的輸入信號電路時，應(yīng)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(guān)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(yīng)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。

2198-ABQE 數(shù)量1個 8742

7MH4138-6AA000-0BA0  2

6AV3 607-1JC20-0AX1   1------------------

CI830 3BSE013252R1  1----------

7KM4211-1BA00-3AA0, 14個

7KM9300-0AB01-0AA0，20個

6FC5372-0AA30-0AB0   1個-------------

6SL3120-1TE13-0AD0      5個

6SL3330-6TE41-1AA3      1臺

6ES7314-1AG13-0AB0   1

6ES7522-1BL10-0AA0   1

6ES7155-5AA01-0AB0   2

6ES7590-1AF30-0AA0   2

IC695PSD040   2------------

EPSCPE100   2

IC694MDL260   3------------

IC694MDL340   3----------

TK811V015 1.5m   10

TK811V015 5m   10

ACS510-01-038A-4+B055   1

188J2C100   1 面價106

2711R-T10T 數(shù)量   15     面18762

1766-L32BXBA    數(shù)量   10    面8001

1762-OW16   數(shù)量   20    面2541

1762-OF4     數(shù)量    10  面 3311

6GK5766-1GE00-3DA0   1

140CPU67160 ，2個---------------

4NC5325-0CE21 ，24個

6SL3203-0BB21-8VA0   3個

7MH4930-0AA01  1

6ES7650-8AT60-0AA0        12

6ES7650-8BT60-0AA0         8

3UF7300-1AU00-0     1

3UF7010-1AU00-0      1

3UF7941-0AA00-0      1

6FX2001-5QN25   6 pcs

ABB T900 DU375數(shù)量1

7KM4211-1BA00-3AA0數(shù)量14

SGDV-1R6A05A   6

HW0390225-B+HW0301778-1   2

6FX2001-6RB01-4GA0   1

HMIRSPHXA6701   2

1TGB120050P1   5

1TNSO40200285R1   2

TK811V050 5m   10

407-0KA00-0AA0 --------------

417-5HT06-0AB0-------------

443-1EX30-0XE0 ---------------

品牌：PROSOFT

型號：MVI56-PDPS

6AV3607-1JC20-0AX0   1個 

6ES7400-2JA00-0AA0   1個

IC693CPU350   2-----------

IC693MDL940F   2-------------

IC693CHS391   1--------------

086444005；MPRC板卡；品牌：ABB     1

086444-005

ATV320U55N4C  3

20-750-UFB-1   2 面價5671

6FC5372-0AA30-0AA0   1---------------

SGMGV-55ADA61-----------------

6GK7242-5DX30-0XE0    20-30個

6ES7332-5HB01-0AB0     1

TM218LDA40DRN    1

6ES7235-0KD22-0XA8    2

6ES7313-6CF03-0AB0    1

6SL3320-1TG28-5AA3     1

IC697PWR711K   1------------

IC200ALG328J   1-----------

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