140-CPU-434-12A_厦门海通华业科技有限公司

140-CPU-434-12A

模拟量信号连接应注意的问题变频器中的模拟量输入信号，通常指0～10V/5V 的电压信号或0/4～20 ｍＡ的电流信号；这些模拟量输入信号可通过接线端子由外部给定，当变频器与P L C 连接时，这些模拟量输入信号也可来自PLC 的模拟量输出信号，如图3 所示。在进行模拟量的连接时应注意：

（1）阻抗匹配。根据变频器的输入阻抗选择P L C 的输出模块，实现两者的阻抗匹配。

（2）电压范围。当变频器和P L C 的电压信号范围不同时（如变频器的输入信号为0～10V，而PLC 的输出电压信号范围为0～5V 时；或PLC 的一侧的输出信号电压范围为0～10V而变频器的输入电压信号范围为0～5V时），需采用串联电阻的方式进行分压，以保证两者在正常电压范围内

工作，避免电压过限可能损坏器件。

（3）采用屏蔽电缆或绞合电缆。对于变频器和P L C 而言，弱电控制信号（电压0～5V/10V、电流0/4～20ｍＡ等）易受到外界强信号的干扰，对控制信号采取适当的屏蔽措施。常用的方式就是采用屏蔽电缆进行屏蔽；对于长距离的控制回路宜采用绞合电缆，绞合电缆的绞合间距尽可能小。

（4）主、控电缆分开布线。实际连线时，注意主、控电缆分开布线，且相隔的距离。以保证主电路侧的干扰及噪音影响不到控制电路。

ABB 真空接触器 1YHB00000002582 1

6SL3958-0TX00-0AA0 1块

GE 规格型号：Multilin P485 数量：2

NW16H1 690VAC 1600A 3P固定式 1

3RS1700-1CD0 数量：2

TU516 数量：6

6GK7277-1AA10-0AA0 1

ROTEX-GS2864SHA-25-19

电缆线A06B-6079-K812

A06B-6110-K200#XXS

电机 A06B-0227-B100 ---------

77-964-2300 1

1901-1BB20-2AA0 10个

A06B-6077-H106 数量1----------

A06B-6078-H311 数量1----------

3BHE026284R0102 1个-------

ABB EXC3BHB024711R0020 Drives PDA E10 A01 : 6k100; PHASE MODULE 3X47UF

AB 755变频器功率单元驱动板SK-R1-IG1-C567D545 数量：2块面价2542 38个

150-F317NBD 110kW 1个面价 42940

3BHT300005R1 3

140-MN-0160 4

IMHSS03 5

FPNO-21 1

FANUC 控制卡 A20B-2101-0390/08A 2-----------

654-7HY00-0XA0 4

197-1LB00-0XA0 3

210-1PE31-1UL0 1

317-2EK14-0AB0 1

516-3AN02-0AB0 1

6SL3210-1PE31-5UL0 75KW 1

6SL3210-1PE31-1UL0 55KW 1

6SL3210-1PE23-8UL0 18.5KW 1

6SL3210-1PE23-3UL0 15KW 2

6ES7222-1BM22-0XA8 1

223-1BM22-0XA8

6ES7214-1AD23-0XB8 1

6ES7213-0HC22-0XA8 1

231-0HC22-0XA8

6ES7223-1BL22-0XA8 1

6ES7221-1BH22-0XA8 1

6ES7216-2AD23-0XB8 1

6RA8085-6GV62-0AA0-Z =G00+G20+G63+S01+L10+L99+Q80-------------

6ES7792-0AA00-0XA0 1

安川 SGMPH-15AAA61-E 1

1 有源滤波器 ABB PQFS 1M0S120 CE Art.Nr:2GCA293414A0070 1 件

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