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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。

PM554-TP-ETH  1

6EP1333-3BA00

6SL3224-0BE25-5AA0  

6SL3210-5BB21-1UV1  

ACS510-01-03A3-4  

ACS380-050A-4     

ATV61HU75N4Z    各1

ATV610U55N4/380/480V     2

22F-D6P0N103     面价3735  2

6ES7531-7MH00-0AB0     2

6ES7718-1CC00-0AC2

6SL3225-0BE25-5AA1

6SL3210-1RE32-5UL0

6SL3225-0BE32-2UA0

6FX2001-6AA12-1FA0  1

6FX2001-6AA12-1CA0  2 

6AV6642-0CD01-1AX1  1------------

642-0DC01-1AX1-------------

6SL3350-6TK00-0EA0-------------

1769-L33ER---------------

6SL3352-3AG35-8AA0

6SL3352-3AG38-1AA0

6SL3353-3AG41-8BA0

3RW3028-1BB04  36  

3RW3013-1BB04  36

BPOW-01C   

BGAD-11C    各一

1769-L32E  21年面价40906

ATV610D15N4             6

ATV610U55N4         2

6ES7222-1BD30-0XB0   1------------

E84AVSCE1534SX0 

E84AVSCE7524SX0 

E84AVSCE7514SX0

E94ASHE0074

E94ASHE0034 

E94ASHE0134    各1

LD STA-01 ABB   1--------------

LDSTA-01

6SL3210-1KE15-8UP2 1

6SL3210-1PE26-0UL0 1

ACS580-01-106A-4 1

ACS580-01-062A-4 1

6SN1145-1BB00-0EA1   2--------------

ACS880-04-650A-3+D150 1

6SL3210-1PH25-2UL0 1

6SL3210-1PH26-2UL0 1

ACS880-04-585A-3+D150 1

6RA8095-4GS22-0AA0 1--------------

6SN1123-1AA00-0JA1 4----------------

6SN1118-0NH01-0AA1 4--------------

6SL3255-0AA00-4BA1 6

C98043-A7002-L4 1----------------

5SHY-3545L0016-4500V-91MM  

5SHY4045L0006 3BHB030310R0001 2-------------

UF-C912-A101----------------

3BHE039426R0101 2

UF C912 A101---------------

XV-C769-AE101:OEI  

3BHE006373R0101    2

PP-C907-BE:AMC34-PCB-VARNISHED  3BHE024577R0101 含软件 2

A1A10000441.00 1

A5E44722441 1

6SL3330-6TE41-7AA3 1

6SL3320-1TE32-6AA3 1

6SL3320-1TE41-2AA3 1

6SL3320-1TE41-0AA3 1

6SL3320-1TE38-4AA3 1

6SL3320-1TE35-0AA3 1

A5E35632577 1

6ES7516-3AN00-0AB0 1

140MG-H8E-D10-SC  1 

215-1BG40-0XB0   1

6SL3210-1PE27-5UL0    1

6SL3210-1PE31-5UL0    1

IC200PWR102    2块

NKTU01-15  贝利   2条

22A-D4P0N104  1  5602

主放大器;A06B-6400-H102;FANUC/发那科;    1个

643-0CD01-1AX1数量2--------------

6SN1118-0DH23-0AA1   1--------------

6SL3353-1AE37-3AA0   1

6SL3310-1GE36-1AA3   1----------

6SL3330-6TE41-1AA3   1

6SL3210-5FB10-8UF0 （0.75KW）PN 版本   17套

6SL3210-5FB10-4UF1  （0.4KW）PN 版本   17套

ATV930D22N4Z  2

TM200CE40T   10-20个

控制手柄器XD2-AL221  数量15

1756-EN2TR   1 面价36036

1794-IB32   4 面价4619

1794-OB32P   4 面价5225

MDH2A07TR-RB23

MDH2A07TR-RB20

MFE460A016B   2

7MH4960-2AA01     30个

6AV6618-7HB01-3AB0   1个

ATS22C17Q   1

210-1KE12-3AF2   2个

6ES7132-6FD00-0BB1   46

3BHB030310R0001------------

5SHY-3545L0016-4500V-91MM(3BHB030310R0001) 块 2 ABB

编码器接口板 UF C912 A101(3BHE039426R0101）--------------

跳闸接口板 XV-C769-AE101（3BHE006373R0101）-----------

主控板 PP-C907-BE(3BHE024577R0101)---------------

1734-TOP3S      196     75个

6SN1118-0DJ23-0AA2，2个----------

6SN1118-0DG23-0AA1，2个。------------

6SN1123-1AA00-0BA1，2个。---------

6SN1118-0DM33-0AA2，2个-------------

APPLIED MATERIALS 0680-00055 CB THERM MAG 2P 40A 240VAC 10KAIC BOL

APPLIED MATERIALS 0680-00063 CB THERM MAG 1P 120/240VAC 100A 10KAIC W

APPLIED MATERIALS 0680-00075 CE MAG/HYD 2P 15A 250VAC 50/6

APPLIED MATERIALS 0680-00076 CE MAG/HYD 2P 1A 250VAC 50/60

APPLIED MATERIALS 0680-00077 CB MAG/HYD 2P 25A 480VAC 50/60HZ SHORT-D

APPLIED MATERIALS 0680-00078 CB MAG/HYD 2P 5A 250VAC 50/60

APPLIED MATERIALS 0680-00079 CB MAG/HYD 1P 10A 8OVDC DC-UL

APPLIED MATERIALS 0680-00085 CB SPCL 1P 15A 240VAC D-CURVE

APPLIED MATERIALS 0680-00099 CB SPCL 2P 30A C-CURVE C60N S

APPLIED MATERIALS 0680-00144 CB NAG THERM 2P 480VAC .5A F-

APPLIED MATERIALS 0680-00145 CB NAG THERM 1P 277VAC 5A F-T

APPLIED MATERIALS 0680-00149 CB NAG THERM 1P 277VAC 2A F-T

APPLIED MATERIALS 0680-00150 CB 2A THERMAL BREAKER

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APPLIED MATERIALS 0680-00184 CB NAG/HID 2P 10A 250VAC 50/6

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APPLIED MATERIALS 0680-00222 BUSBAR 3PHASE 65A 60POS 1065M

APPLIED MATERIALS 0680-00242 CB THERM MAO 3P 480VAC 80A RI

APPLIED MATERIALS 0680-00244 CB 3AMP

APPLIED MATERIALS 0680-00245 CB 10AMP

APPLIED MATERIALS 0680-00246 CB 15AMP

APPLIED MATERIALS 0680-00247 CB 25AMP

APPLIED MATERIALS 0680-00433 CB 2P 20A 240VAC RING TNG, 10

APPLIED MATERIALS 0680-00582 CB ADX SW K-FRAME LA-1B TERMI

APPLIED MATERIALS 0680-00596 QUICKLAG BREAKER BASE MOTJNTIN

APPLIED MATERIALS 0680-00794 CB MAG TERM 1P 277VAC 10A D T

APPLIED MATERIALS 0680-01010 CB MAG 1 P 120VAC 15 A50/60HZ

APPLIED MATERIALS 0680-01037 CABLE MAG SER

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APPLIED MATERIALS 0680-01066 CIRCUIT MAG 1.00A

APPLIED MATERIALS 0680-01069 CB MAG 5A

APPLIED MATERIALS 0680-01086 CIRCUIT BREAKER, MAG 4.00A

APPLIED MATERIALS 0680-01091 CIRCUIT BRKR 3P 240V 70A

APPLIED MATERIALS 0680-01097 CB MAG 3P 250VAC 15A 50/60HZ M

APPLIED MATERIALS 0680-01105 CB, 15A SYSTEM AC BOX

APPLIED MATERIALS 0680-01120 CB MAG 2P 240VAC 15H

APPLIED MATERIALS 0680-01125 CBMAG 3P 240VAC 30A 50/60HZ

APPLIED MATERIALS 0680-01132 COVER

APPLIED MATERIALS 0680-01132 COVER

APPLIED MATERIALS 0680-01133 CB MAGG IP 240V 20A

APPLIED MATERIALS 0680-01144 CB MAG 1P 240 VAC 5A 50/60 HZ

APPLIED MATERIALS 0680-01155 CB MAG 3P 480VAC 5A 50/60HZLG

APPLIED MATERIALS 0680-01156 CB MAG 3P 480VAC 20A 50/60HZ

APPLIED MATERIALS 0680-01158 CB KEEPER NUT FOR F-FRAME BREAKERS

APPLIED MATERIALS 0680-01159 NUT (PACK OF 10)

APPLIED MATERIALS 0680-01168 CB MAG 20 240V 20A

APPLIED MATERIALS 0680-01174 BREAKER,CIRCUT SLOW

APPLIED MATERIALS 0680-01175 CB NAG 2P 240VAC 40A 50/60HZ

APPLIED MATERIALS 0680-01180 L-FRAME 400A CIRCUIT BREAKER TRIP UNIT

APPLIED MATERIALS 0680-01187 CB1, MAGTHM

APPLIED MATERIALS 0680-01192 RECEPTACLE, GROUND FAULT

APPLIED MATERIALS 0680-01212 BREAKER

APPLIED MATERIALS 0680-01230 CB COMMON TRIP 2P 15A 120/240

APPLIED MATERIALS 0680-01247 CB MAO THERM 3P 600 VAC 400A

APPLIED MATERIALS 0680-01262 CB HAG THERM 3P 48DVAC 20A

APPLIED MATERIALS 0680-01263 CB MAG THERM 3P 480VAC 30A

APPLIED MATERIALS 0680-01266 CB MAG YHM M 3P 480VAC 100A

APPLIED MATERIALS 0680-01268 CB MAG,3P,125V

APPLIED MATERIALS 0680-01302 CE M7G TRIP 3P 460V 15HP 4 TO

APPLIED MATERIALS 0680-01309 CB MAG THERM 3P 480VAC 20A F-

APPLIED MATERIALS 0680-01318 CB MAG THERM 3P 240V 20A Q

APPLIED MATERIALS 0680-01351 CB MAG THEM 3POLE 480V/150 AMP

APPLIED MATERIALS 0680-01353 BREAKER

APPLIED MATERIALS 0680-01360 CB MAG TRIP 3P 460 V

APPLIED MATERIALS 0680-01370 C MJ G 1P 250VAC 10A

APPLIED MATERIALS 0680-01391 CB GFI 1P 120VAC 20A

APPLIED MATERIALS 0680-01393 CBGFI 2P 240VAC 15A BOLT-ON T

APPLIED MATERIALS 0680-01410 CB MAC THERM 3P 600V 100A

APPLIED MATERIALS 0680-01420 CB SHUNT TRIP FOR J-FRAME 110-240VAC

APPLIED MATERIALS 0680-01427 CB GFI 2P 20A 240VAC BOLT-ON

APPLIED MATERIALS 0680-01440 CB 125A 3-POLE 600VAC TRIP UN

APPLIED MATERIALS 0680-01448 CB MAG THERM 3P 240VAC 40A

APPLIED MATERIALS 0680-01453 CB NAG THERM 2P 240VAC 20A

APPLIED MATERIALS 0680-01464 RELAY

APPLIED MATERIALS 0680-01473 CB RATING PLUG 600A MC-FRA

APPLIED MATERIALS 0680-01477 CS RKR SW 1POLE 7A 125/250

APPLIED MATERIALS 0680-01499 SWITCH (120/240 VAC)

APPLIED MATERIALS 0680-01503 CB NAG THERM 2P 120/240VAC 45

APPLIED MATERIALS 0680-01507 CB AUX SW SPDT L-FRAME L/H

APPLIED MATERIALS 0680-01550 CB THERM NAG 3P 240VAC 125A F

APPLIED MATERIALS 0680-01585 CBGFI 2P 240VAC 30A BOLT-ON 4

APPLIED MATERIALS 0680-01598 PLUG NUT 5070A85602

APPLIED MATERIALS 0680-01618 SWITCH (240VAC)

APPLIED MATERIALS 0680-01679 CB ROLLER LATCH KIT DOOR 0

APPLIED MATERIALS 0680-01712 CB HAG THERM 3P 480VAC 500

APPLIED MATERIALS 0680-01733 CB 2P 240VAC 5A 10KA IC

APPLIED MATERIALS 0680-01786 CB THERM NAG 3P 240/480VAC

APPLIED MATERIALS 0680-01803 CBSUPPL PROTECT CUR-LIMIT 1P

APPLIED MATERIALS 0680-01822 CBGFI 2P 20A 120/240V BOLT-ON

APPLIED MATERIALS 0680-01825 CBMAG THERM 3P 480VAC 40A 22K

APPLIED MATERIALS 0680-01827 CB MAG 2P 250VAC 10A NON-TIME

APPLIED MATERIALS 0680-01846 CBNAG THERM 2P 240VAC 20A W/S

APPLIED MATERIALS 0680-01849 CB SUPPL PROTEC CUR-LIMIT

APPLIED MATERIALS 0680-01851 CBSUPPL PROTEC CDR-LIMIT 1P 2

APPLIED MATERIALS 0680-01862 CBHP..DLE MECH FLEX CABLE 3FT

APPLIED MATERIALS 0680-01869 CB MAG THERM 1P 240VAC 30A EP

APPLIED MATERIALS 0680-01870 CB HAG THERM 3P 480VAC 15A

APPLIED MATERIALS 0680-01889 CBTHERM 1P 5OVDC/250VAC 3A TO

APPLIED MATERIALS 0680-01931 CB MAG SER 1P 15.OA 50/60HZ D

APPLIED MATERIALS 0680-01932 CB MAG SER 2P 5.00A 50/60H

APPLIED MATERIALS 0680-01936 CB THERM 1P 5A 240VAC MNL

APPLIED MATERIALS 0680-01938 CB PADLOCK OFF ONLY RIGHT HA

APPLIED MATERIALS 0680-01944 CB SPCL 2P .5A 240VAC C-CURVE

APPLIED MATERIALS 0680-01961 CB 1P 7A 250V

APPLIED MATERIALS 0680-01964 CB DISCONNECT MECHANISM

APPLIED MATERIALS 0680-01966 CB SDPPL PROTEC MAG TRIP 1P 4

APPLIED MATERIALS 0680-01970 CB SUPPL PROTEC CUR-LIMIT 2P

APPLIED MATERIALS 0680-01989 BREAKER, 20ANP, UV TRIP

APPLIED MATERIALS 0680-02048 CB MAG THERM 1P 120/240VAC

APPLIED MATERIALS 0680-02049 CB MAG THERM 2P 120/240VAC

APPLIED MATERIALS 0680-02130 CB NAG THERM 3P 240VAC 15A QC

APPLIED MATERIALS 0680-02138 CB THERM 1POLE 5A 5OVDC/250VA

APPLIED MATERIALS 0680-02138 CB THERM 1POLE 5A 5OVDC/250VA

APPLIED MATERIALS 0680-50026 CB MAG 2P 220VAC 5A 50/

APPLIED MATERIALS 0680-50065 CB MAG 2P 100/200VAC 15A

APPLIED MATERIALS 0680-50083 CB MAG 2P 415VAC 15A 50

APPLIED MATERIALS 0680-90030 CIRCUIT BREAKER, 15A 3P

APPLIED MATERIALS 0680-90041 CIRCUIT BREAKER, 3/4A SP

APPLIED MATERIALS 0680-90051 CB SP 20A 50/60HZ QP

APPLIED MATERIALS 0680-90064 CB 1 POLE 15A 50/60HZ

APPLIED MATERIALS 0680-90160 CIRC BKR 2 POLE 4 AMP - ABB S

APPLIED MATERIALS 0680-90163 CIRCUIT BREAKER PANEL BD REPL

APPLIED MATERIALS 0680-90185 CUIT BREAKER,50A.3-POLE

APPLIED MATERIALS 0680-90222 200A 3POLE TRIP !DDULE

APPLIED MATERIALS 0680-90230 CIRCUIT PROTECTOR,100VAC-5A

APPLIED MATERIALS 0690-00861 TRACK CABLE E-CHAIN SNAP-OPEN

APPLIED MATERIALS 0690-01020 CLAMP, HOSE BRASS (PACK OF 10)

APPLIED MATERIALS 0690-01024 CLAMP CABLE NYLON 3/8

APPLIED MATERIALS 0690-01029 CLAMP, HOSE PRESS ON BRS

APPLIED MATERIALS 0690-01035 NW-16-CP-R1 CLAMP

APPLIED MATERIALS 0690-01036 CLAMP KF-40 NW40-CP-R1 CLAMP

APPLIED MATERIALS 0690-01037 NW-50-CP-R1 CLAMP

APPLIED MATERIALS 0690-01038 NW-25-CP-R1 CLAMP

APPLIED MATERIALS 0690-01038 NW-25-CP-R1 CLAMP

APPLIED MATERIALS 0690-01044 CABLE ASSY

APPLIED MATERIALS 0690-01084 CLAMP CA 1DX1WX.09-.15PNL-

APPLIED MATERIALS 0690-01096 CLAMP SPLIT 3/16 SFT

APPLIED MATERIALS 0690-01113 CLAMPS CABLE 13/16 DIA 1/2 WIDE

APPLIED MATERIALS 0690-01113 CLAMPS CABLE 13/16 DIA 1/2 WIDE

APPLIED MATERIALS 0690-01114 CLAMP FLANGE,DOUBLE CLAW

APPLIED MATERIALS 0690-01114 CLAMP FLANGE,DOUBLE CLAW

APPLIED MATERIALS 0690-01126 CLAMP CABLE 13/16 DIA 1/2 WIDE BLK NYLON

APPLIED MATERIALS 0690-01563 CLAMP FLG SGL-CLAW NW100 AL M8-HEX BOLT & WSHR SST

APPLIED MATERIALS 0690-01563 CLAMP FLG SGL-CLAW NW100 AL M8-HEX BOLT & WSHR SST

APPLIED MATERIALS 0690-01566 CLAMP FLG DBL-CLAW NW63

APPLIED MATERIALS 0690-01566 CLAMP FLG DBL-CLAW NW63

APPLIED MATERIALS 0690-01573 CLAMP PIPE 1/4

APPLIED MATERIALS 0690-01576 CLAMP FLG SGL-CLAW NW63,80,100 AL M8-HEX

APPLIED MATERIALS 0690-01583 FLANGE 1-1/3 OD CF BLANK (PACK OF 10)

APPLIED MATERIALS 0690-01584 FTC FLG 2-3/4 OD CF BLANK

APPLIED MATERIALS 0690-01585 CLAMP ROTATABLE BOLT RING ASSY

APPLIED MATERIALS 0690-01630 CLAMP SPLIT HUB 6MMSFT 7MMIDX22MMOD SST

APPLIED MATERIALS 0690-01667 CLIP PANEL-RETAINING SPR ST .05 THK

APPLIED MATERIALS 0690-01685 CLAMP TUBE 1/4" SINGLE BOLT POLYPRO 1/4-20

APPLIED MATERIALS 0690-01687 CLAMP GND 3/8-2 ID 8

APPLIED MATERIALS 0690-01707 CLAMP, CA NEOPRENE CUSHION 7/8 D X .9

APPLIED MATERIALS 0690-01742 CLIP  RETAINER WIRE-HOLD-DOWN-SPRING 2POLE R10 RLY

APPLIED MATERIALS 0690-01744 CLAMP BAND OVER-CTR LTCH-ASSY

APPLIED MATERIALS 0690-01767 CLAMP, ZAXIS

APPLIED MATERIALS 0690-01786 CLAMPS

APPLIED MATERIALS 0690-01817 CLAMP HINGED MW25 RATCHET CLOSURE AL

APPLIED MATERIALS 0690-01825 IGRIS CABLE GUIDE

APPLIED MATERIALS 0690-01834 CLAMP PLUNGER 2"TRAVEL 2500LB

APPLIED MATERIALS 0690-02002 CLAMP SPLIT HUB 5/16SFT .3751

APPLIED MATERIALS 0690-02022 HLDR ONE-TOUCH FPG 1/4T

APPLIED MATERIALS 0690-90077 EXTERNAL CIRCULAR CLIPS

APPLIED MATERIALS 0690-90098 CIRCULAR CLIPS

APPLIED MATERIALS 0690-90129 CIRCULAR CLIP, EXT, .25 SHAFT

APPLIED MATERIALS 0700-01004 CHOKE, MILLER #4622

APPLIED MATERIALS 0700-01009 CHOKE, SMALL (PACK OF 8)

APPLIED MATERIALS 0700-01010 IDCTR FIX MLD RF 10.0UH1KV 1/4

APPLIED MATERIALS 0700-01094 COIL 24VAC 40-400HZ

APPLIED MATERIALS 0720-00406 CONN ETHERNET TRANS AUI-RJ45

APPLIED MATERIALS 0720-00768 HOUSING, BULKHEAD MOUNTING, HAN Q5/0

APPLIED MATERIALS 0720-01061 CONNECTOR

APPLIED MATERIALS 0720-01131 CONN PLUG FLG IN 4P 5WR 30A

APPLIED MATERIALS 0720-01134 CONNECTOR

APPLIED MATERIALS 0720-01177 CONNECTOR, SCREWLOCK FEM 4-40

APPLIED MATERIALS 0720-01203 CONN PLUG CA MTG 4P 5WR 30A 12

APPLIED MATERIALS 0720-01226 CONNECTOR,HSG,CAP 3POS NYLON 94V-0

APPLIED MATERIALS 0720-01232 BACK SHELL RXTEMER

APPLIED MATERIALS 0720-01240 CONNECTOR

APPLIED MATERIALS 0720-01247 CONNECTOR RING

APPLIED MATERIALS 0720-01317 ELEC CONN J-207 SUSCEPTOR

APPLIED MATERIALS 0720-01325 CONN, HSG PLUG ELK 4SKT