A06B-6077-H106

A06B-6077-H106

A06B-6077-H106

A06B-6077-H106

2、 数字量信号连接应注意的问题

变频器的输入信号中包括对运行/ 停止、正转/ 反转、点动等运行状态进行操作的数字量输入信号（开关型指令信号），这些信号常来自PLC 的数字量输出信号。PLC 通常利用其内部的继电器接点（继电器输出型P L C ）或具有开关特性的元器件（晶体管输出型PLC）与变频器相连，得到运行状态指令，如图1 和图2 所示。在进行数字量信号的连接时应注意：

（1）使用继电器输出型P L C 与变频器相连时，应注意接触不良常带来变频器误动作，因此在实际接线中要注意连接可靠。

（2）使用晶体管输出型P L C 与变频器相连时，应注意晶体管本身的电压的高低、电流的大小等限制条件在其范围内，保证系统的可靠性。

（3）设计变频器的输入信号电路时，应尽量避免采用继电器等感性负载，因继电器开闭产生的浪涌电流可能引起变频器的误动作。

（4）当P L C 输出的开关信号进入变频器时，有时会发生外部电源和变频器控制电源之间的串扰，应注意对P L C和变频器分开接地，避免两者使用共同的接地线。

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

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