E82ZAFAC010

E82ZAFAC010

E82ZAFAC010

E82ZAFAC010

变频器运行时对PLC干扰应注意的问题

变频器运行时会对周围电气设备（包括P L C ）产生较强的电磁干扰，同时变频器主电路断路器等开关器件动作时也会影响PLC 的正常工作。为防止变频器运行时对PLC干扰，变频器与P L C 相连接时应该注意以下几点：

（1）对PLC 本身应按规定的接线标准和接地条件进行接地，而且应注意避免和变频器使用共同的接地线，且在接地时使二者尽可能分开。

（2）当电源电压波动大，谐波成分多时，为抑制谐波干扰，应在PLC 的电源模块及输入/ 输出模块的电源线上接入噪音滤波器或者隔离变压器。如果干扰仍严重，应考虑在变频器主回路中接入电抗器、变压器和噪音滤波器等措施。

（3）变频器和P L C 安装在同一电控柜时，应尽可能使与变频器有关的电缆和与PLC 有关的电缆分开安装，尤其是连接变频器的强电电缆与连接PLC 的弱电电缆更要分开安装。

4 结束语

变频器和P L C 间连接问题，涉及到数字量信号连接、模拟量信号连接以及避免干扰应注意的问题；在实际应用中，两者间的连接还涉及到用弱电信号控制强电的问题。因此，应引起重视，避免干扰造成变频器、PLC 的误动作；避免连接不当造成PLC 或变频器的损坏。

如果购买单位的在质保日期一年内发现有质量缺陷的，可以进行一个免费维修或更换。

电机 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 单相输入24V 3A  1

4PP120.0571-01/138型细纱机  1

ATV312HU15N4 1.5KW/380V  1

FD100.10A-4002  2

S6-L-P01-3.0  1根

ATV61HU40N42 4KW 380V 带中文操作手册  1

Monforts-0302669 Serial-No.:00418156 24vdc/±10v  2

轴承  P101,60127-1076            1

密封胶  60347-0009          1

力士乐   伺服控制板CDB01.1C-SE-ENS-ENS-EN2-NNN-L2-S-NN-FW          1个      件号：2534904242

力士乐     伺服控制板CSH01.1C-SE-ENS-NNN-NNN-S2-S-NN-FW             1个          件号2534904212

V640-HAM11-ETN-V2   1

SPD015G   100

SGMGH-20ACA21    1

STT17H-BS 数量6

Raspberry Pi Model 3B+   100

lmc058lf42  1个

H3YN-2 DC24   100个

伺服放大器 MR-J2S-40A 1

ATV610D15N4   2pcs

ATV610D18N4   1pc

232-0HD22-0XA0

221-1BH22-0XA8   各一

HE-CX251BA 控制模块,品牌:HORNER      1个

JZSP-C7PA2D-15-E    2

mc-4/11/10/400 2pcs

2198-D020-ERS3     27371

2198-H025-ERS      18125

2198-H015-ERS     16843    各二

1756-IF16        1     面价19517

1756-OB32      1     面价8528

1756-TBCH      1     面价1087

1756-IB32       1      面价6017

1756-PA75      1      面价14129

1756-EN2T      1      面价33310

1756-BA2        1      面价1295的

6SN1111-0AA01-0CA2   1-------------

1769-L30ER   1 面价21328

RV150N-09BKOR6TN-02048   2

FGHJ2AK-2048G-90G-NG/16K   1

RHI90N-0HAK1R6XN-01024   1

CIMR-HB4A0024AFFA   1

6FC5370-0AA0-3BA1数量1--------------

1747-M13   1 面价6475

6ES7954-8LF03-0AA0   1-------------

6GK5008-0BA10-1AB2   1----------------

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CANON BG9-4306-000 SUPPLY TRANSFER PCB

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CANON BG9-4351-000 Y)HOST PCB GE (CU35) W/IC

CANON BG9-4352-000 LOCAL-1 PCB

CANON BG9-4626-000 CHUCK WAFER 6"

CANON BG9-4658-000 LED UNIT

CANON BG9-4756-000 AF CPU PCB ASSY W/CAPACITOR

CANON BG9-4759-000 RECEIVE TRANSFER

CANON BG9-4760-000 FEED HAND PCB ASSY G

CANON BG9-4762-000 PA STAGE PCB ASSY GE

CANON BG9-4763-000 SENSOR PROCESSOR PCB

CANON BG9-4764-000 CCD CONTROL PCB A

CANON BG9-4782-000 MV DRIVE PCB ASSY

CANON BG9-4783-000 INPUT/OUTPUT PCB

CANON BG9-4877 DISK UNIT II

CANON BG9-4944-000 MV DRIVE PCB ASSY

CANON BG9-4950-000 INLINE CONTROL PC

CANON BG9-4953-000 ALARM INVERTER PCB ASSY W/T

CANON BG9-8803 PCB, AA3 INTERFACE

CANON BG9-8872 DPR IF PCB

CANON BG9-8876 PCB

CANON BG9-9195 SENSOR PHOTO UNIT

CANON BG9-9371-000 PCB ASS'Y,MPU-3

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CANON BG9-9553-000 PCB

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CANON BH0-2118-000 IC, MC8T97P, BUFFER (PACK OF 10)

CANON BH0-2119-000 IC, MC8T98P, BUFFER (PACK OF 10)

CANON BH0-2122-000 TRANSISTOR ARRAY, UPA53C NEC (PACK OF 10)

CANON BH0-2138-000 IC, SN74273N, TTL (PACK OF 10)

CANON BH0-2193-000 IC, SN7425IN, TTL, TI

CANON BH0-2246-000 IC, SN74LS170N

CANON BH0-4115 PHOTO SWITCH(M3)

CANON BH0-4115-000 SENSOR PHOTO INTERRUPTER

CANON BH0-4121-000 SWITCH PHOTO

CANON BH0-4193-000 PHOTO DIODE

CANON BH0-4396-000 PHOTO CONDUCTIVE SWITCH

CANON BH1-2042-0000 ROTARY ENCODER

CANON BH2-00681 MOTOR,SYNCHRONOUS

CANON BH2-0244-000 CHAIN CLAMP

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CANON BH2-0304-000 DC MOTOR

CANON BH2-0422-000 ROTARY ENCODER

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CANON BH2-1152 MAGNETIC BREAKE

CANON BH2-2122-000 RELAY FOR POWER OFF

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CANON BH2-9025-020 STAGE DRIVER

CANON BH2-9026-000 DC MOTOR DRIVING

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CANON BH3-0643-000 SWITCH,PADDLE

CANON BH3-0800-000 MICRO SWITCH

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CANON BH3-2133-000 CIRCUIT BREAKER(NRBM 2100F)

CANON BH3-3021-000 LAMP

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CANON BH3-3181 LAMP SLL 28H 28V

CANON BH3-3181-000 BULB, 050-B013

CANON BH3-4554-000 PLUG,(4S),IL-04S-S3L-N JAE

CANON BH3-4874-000 CONNECTOR 2 POLE MINI

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CANON BH4-0271-0000 PCB ASSY FOR AC MOTOR GE CU35

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