E82ZAFSC010
E82ZAFSC010
E82ZAFSC010
數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/ 反轉、點動等運行狀態進行操作的數字量輸入信號（開關型指令信號），這些信號常來自PLC 的數字量輸出信號。PLC 通常利用其內部的繼電器接點（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，得到運行狀態指令，如圖1 和圖2 所示。在進行數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範圍內，保證係統的可靠性。
（3）設計變頻器的輸入信號電路時，應盡量避免採用繼電器等感性負載，因繼電器開閉產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。
電機 P80B22450LCPUB;50601-1412;02111601470 1
6ES7214-1AG40-0XB0 1
6ES7214-1AG40-0XB0 1-----------
6AV2123-2JB03-0AX0 1--------------
CQM1-PA206 1
WJ200-040HFC 5
ML70.100 單相輸入24V 3A 1
4PP120.0571-01/138型細紗機 1
ATV312HU15N4 1.5KW/380V 1
FD100.10A-4002 2
S6-L-P01-3.0 1根
ATV61HU40N42 4KW 380V 帶中文操作手冊 1
Monforts-0302669 Serial-No.:00418156 24vdc/±10v 2
軸承 P101,60127-1076 1
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力士樂 伺服控制板CDB01.1C-SE-ENS-ENS-EN2-NNN-L2-S-NN-FW 1個 件號：2534904242
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2198-H025-ERS 18125
2198-H015-ERS 16843 各二
1756-IF16 1 面價19517
1756-OB32 1 面價8528
1756-TBCH 1 面價1087
1756-IB32 1 面價6017
1756-PA75 1 面價14129
1756-EN2T 1 面價33310
1756-BA2 1 面價1295的
6SN1111-0AA01-0CA2 1-------------
1769-L30ER 1 面價21328
RV150N-09BKOR6TN-02048 2
FGHJ2AK-2048G-90G-NG/16K 1
RHI90N-0HAK1R6XN-01024 1
CIMR-HB4A0024AFFA 1
6FC5370-0AA0-3BA1數量1--------------
1747-M13 1 面價6475
6ES7954-8LF03-0AA0 1-------------
6GK5008-0BA10-1AB2 1----------------
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豫公安備 41010502000017號