101-1828-009

101-1828-009

101-1828-009

101-1828-009

3、 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。

FR-A740-3.7K-CHT  一件

ACS510-01-088A-4（45kW）2

ACS510-01-125A-4   55KW  1

ACS510-01-031A-4（15kW）2

GD200A-037G/045P-4 45kW  1

ACS510-01-025A-4（11kW） 2

TPC7012EI  3

MT6071iP   2

FX3U-64MT/ES-A 1

FR-A840-00380-2-60  1

FR-DU08    1

FR-PA07    1

FX3U-4AD-TC-ADP 1

FX3U-485ADP-MB 1

FX3U-1PG  1

7V11006B050 DC24V 线长50cm  30 

7V120-06-b  DC24V线长0.5M   30

FR-E840-0026-4-60  1

FR-A840-00126-2-60 1

E82EV552_4C040 1个伦茨

FRN55G1S-4A    1

FRN110G1S-4A  1

NWIO-01  1

ZPOW-591  2

ACS880-01-430A-3+ZINT-592-FOR-ACS880-01  2

RPBA-01  20

1756-L83E-----

6AV2124-0QC02-0AX1  数量5----

6ES7515-2AM02-0AB0   数量2-------

6ES7515-2AM01-0AB0---------

1747-L553------

1756-L72-------

1756-EN2TR--------

6ES7155-6AU01-0BN0-------

140CPU56150   1-----

ACS580-01-169A-4-----

3BHL000359P0003-------

181-4MB00-0AX0   1

6AU1400-2PA23-0AA0   1-------

BMXNRP0200  6

6ES7953-8LF11-0AA0+内存128KB  5-------

6ES7901-3DB30-0XA0  2

PPI-RS485 6ES7901-3CB30-0XA0 2根

37148/DC24V   2

ZB2BS44C+ZB2BZ104C+ZB2BE 101C   8

BES M18MI-PSC80B-S04G   5

IEC/EN 60947-4-1   3

MS-120-24   2

BGE1.5 8253854   1

1827000001 G1/4   7

2938633   1

6FX8002-5DA05-1CJ0   2

3RH1131-2BB40   8

6SE6400-0BP00-0AA1   1

3RT5065-6...6（220v）   1

VFS2410-3G   1

OMD30M-R2000-B23-V1V1D-1L   1

R067024040   4

600vac  

Cutler Hammer Eaton 6658   **GENUINE** Westinghouse CH 6 65 8

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