DSQC235A

DSQC235A

DSQC235A

DSQC235A

4、 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。

9-29

FDCO-02    1

6SN1123-1AA00-0AA0    2-------

3UF7941-0AA00-0

HMS02.1N-W0054-A-07-NNNN     1--------

HMS01.1N-W0020-A-07-NNNN   -------

6GK5204-2BB10-2AA3    10  -------

ACS-AP-W     4

RDCO-04C     4

BCU-02   4

BCU-12    4

AI820    3

AO810    3

6AV2124-0UC02-0AX0 TP1900 Comfort  1块

6SE7031-8EF60    1---------

A02B-0319-D514#M    1

1762-IF4数量5   3378

6ES7323-1BH01-0AA0    数量：2   

6AV7240-0BC06-0HA0    数量：1

6ES7626-1SB04-0AC0    数量：1

西门子  储存卡6FC5250-7CY30-4AH0    1张-------

西门子6FC5357-0BB15-0AA0   1块-------

6AV6 648-0BC11-3AX0   1-------

6ES7 331-7KB01-0AB0   1

6AV6643-0AA01-1AX0---------

6AV6 647-0DA11-3AX0     ------

6AV6545-0DA10-0AX0  ------  

6AV7861-2TB10-1AA0  ------

6ED1056-1DA00-0BA0  

6ED1056-7DA00-0BA0  

6EP1332-1SH12 2.5A  

6AU1445-0AA00-0AA0   -------- 

6EP1437-2BA10 40A 380V/24V 

6EP3311-6SB00-0AY0 

6ES5451-2BA11   

6ES7 021-3TP50 

6ES7 131-1BL01-0XB0  

6ES7 132-4HB00-0AB0  

6ES7132-4HB10-0AB0

6ES7131-4BF50-0AA0 

6ES7 138-4CF42-0AB0 

6ES7 141-3BH00-0XA0 

6ES7 142-3BF00-0XA0   

6ES7 274-1XA30-0XA0 

6ES7 274-1XF30-0XA0 

6ES7 212-1HE40-0XB0 

6ES7 314-6CF00-0AB0 

6ES7 323-1BL00-9AM0  

6ES7 340-1AH02-0AE0     

6ES7 392-1AM00-0AA1  

6ES7 460-0AA01-0AB0 

6ES7 461-0AA01-0AA0  

6ES7 522-1BH10-0AB0 

6ES7 901-3BF20-0XA0  

6ES7 901-3CB30-0XA0 

6ES7 953-8LJ10-0AA0

952-1KP00-0AA0  

6ES7-134-4GB00-0AB0  

6ES7138-4CA50-0AB0 

6ES7-138-4DF01-0AB0  

6ES7-138-4FB03-0AB0  

6ES7138-4FR00-0AA0 

6ES7141-4FB00-0AA0 

6ES7-151-3BA23-0AB0   

6ES7151-7AA13-0AB0   

6ES7193-4CB30-0AA0   

6ES7305-1BA80-0AA0    

6ES7314-6CH04-0AB0      

6ES7317-2AJ10-0AB0        

6ES7-392-AM00-0AA0     

6ES7953-8LG30-0AA0

2GCA281348A0030      1

A20B-8200-0846   2件（0847也可以）

DSCA114

DSCA121

DSDI130

DSDO130

DSDX110

DSDXB001

DSMB124

DSMB125

DSMB127

DSMC110

DSPA110

DSPC153

DSPC157

DSQC101

DSQC103

DSQC105

DSQC107

DSQC115

DSQC116

DSQC122

DSQC123B

DSQC129

DSQC142

DSTD160

DSQC200

DSQC202

DSQC204

DSQC208

DSQC208A

DSQC209

DSQC210

DSQC211

DSQC215

DSQC223

DSQC224

DSQC227

DSQC228

DSQC229

DSQC230

DSQC233

DSQC235A

DSQC235B

DSQC236A

DSQC236B

DSQC236C

DSQC236D

DSQC236G

DSQC236H

DSQC236K

DSQC236P

DSQC236T

DSQC238

DSQC239

DSQC241

DSQC243

DSQC248

DSQC249A

DSQC249B

DSQC252

DSQC253

DSQC254

DSQC255

DSQC256A

DSQC257

DSQC258

DSQC259

DSQC266A

DSQC266B

DSQC266C

DSQC266G

DSQC266H

DSQC266T

DSQC300

DSQC301

DSQC302

DSQC306

DSQC307

DSQC313

DSQC314A

DSQC314B

DSQC315

DSQC316

DSQC317

DSQC318

DSQC320

DSQC321

DSQC322

DSQC323

DSQC324

DSQC325

DSQC326

DSQC327

DSQC327A

DSQC328

DSQC328A

DSQC331

DSQC332

DSQC334

DSQC335

DSQC336

DSQC344

DSQC345A

DSQC345B

DSQC345C

DSQC345D

DSQC345E

DSQC346

DSQC346B

DSQC346C

DSQC346E

DSQC346G

DSQC346U

DSQC350

DSQC351

DSQC352

DSQC352A

DSQC354

DSQC355

DSQC358C

DSQC358E

DSQC358F

DSQC358G

DSQC361

DSQC363

DSQC365

DSQC373

DSQC374

DSQC377B

DSQC385

DSQC500

DSQC501

DSQC503

DSQC504

DSQC505

DSQC506

DSQC508

DSQC509

DSQC518A

DSQC518B

DSQC522

DSQC539

DSQC546A

DSQC601

DSQC609

DSQC643

DSQC652

YTEA250-8

CUTLER HAMMER GD3090 CIRCUIT BREAKER FEED-THRU 90A 3 POLE 480Y VAC

CUTLER HAMMER GD3080 CIRCUIT BREAKER FEED-THRU 80A 3 POLE 480Y VAC

CUTLER HAMMER GD3070D 3POLE 70AMP CIRCUIT BREAKER 500000134 B

CUTLER HAMMER GD3070 CIRCUIT BREAKER FEED-THRU 70A 3 POLE 480Y VAC

CUTLER HAMMER GD3070 3POLE 70AMP CIRCUIT BREAKER H4700175 B

CUTLER HAMMER GD3060 NSFP GD3060

CUTLER HAMMER GD3060 CIRCUIT BREAKER FEED-THRU 60A 3 POLE 480Y VAC

CUTLER HAMMER GD3050A3 USPP GD3050A3

CUTLER HAMMER GD-3050 USPP GD3050

CUTLER HAMMER GD-3050 NSFP GD3050

CUTLER HAMMER GD3050 GD CIRCUIT BREAKER 3P 50AMP

CUTLER HAMMER GD3050 CIRCUIT BREAKER FEED-THRU 50A 3 POLE 480Y VAC

CUTLER HAMMER GD-3040 USPP GD3040

CUTLER HAMMER GD-3040 NSFP GD3040

CUTLER HAMMER GD3040 CIRCUIT BREAKER FEED-THRU 40A 3 POLE 480Y VAC

CUTLER HAMMER GD3030 CIRCUIT BREAKER FEED-THRU 30A 3 POLE 480Y VAC

CUTLER HAMMER GD3020 USPP GD3020

CUTLER HAMMER GD3020 CIRCUIT BREAKER FEED-THRU 20A 3 POLE 480Y VAC

CUTLER HAMMER GD3015 USPP GD3015

CUTLER HAMMER GD3015 CIRCUIT BREAKER FEED-THRU 15A 3 POLE 480Y VAC

Cutler Hammer GD Style 60A Breaker

CUTLER HAMMER GC3090 NSFP GC3090

CUTLER HAMMER GC2070 NSFP GC2070

CUTLER HAMMER GC2060 NSFP GC2060

CUTLER HAMMER GA210TC105-A USPP GA210TC105A

CUTLER HAMMER GA200ED4 USPP GA200ED4

CUTLER HAMMER FWF4100L 4POLE 100AMP 690VAC CIRCUIT BREAKER 5002028 B

CUTLER HAMMER FWF4100 0L 4POLE 100AMP 690VAC CIRCUIT BREAKER 5002008 B

Cutler Hammer FWF3063L 63Amps 3 Pole Circuit Breaker

CUTLER HAMMER FWF3050L CIRCUIT BREAKER 3P 50A 690VAC 5002075 B

CUTLER HAMMER FWF1016L NSPP FWF1016L

CUTLER HAMMER FWC4050J1L 50 AMP 4 POLE CIRCUIT BREAKER

CUTLER HAMMER FW3200JL NSFP FW3200JL

CUTLER HAMMER FW3080JL CIRCUIT BREAKER 3P 80A 690VAC THERMAL MAGNETIC 627081 R

CUTLER HAMMER FUSIBLE SWITCH FDPWT3622R FDPWT

Cutler Hammer Fusible Safety Switch DH362DK2WR 60 Amp 600V 3R W/Receptacle H12

Cutler Hammer Fusible Disconnect Switch DH363FGK 100A 

Cutler Hammer Fusible Disconnect Switch DH363FGK 100A 

Cutler Hammer FUSE BLOCK 3P 200A 250V C350BFC64 TYPE F 

Cutler Hammer Fuse Base wFuse Clips 60-100amp C360KDB

CUTLER HAMMER FUSE 2ACLS-9R 200A 591C142G07 S12A

CUTLER HAMMER FUSE 15CX-12C 12C AMPS

Cutler Hammer Fuse 15CLPT-5E 155 KV 5E Amp 4385

CUTLER HAMMER FUS SAFETY SWITCH STNLS STEEL

Cutler Hammer Full Voltage Magnetic Starter A10DGO with Enclosure ~ Nema Size 2

CUTLER HAMMER FSAFETY SWITCH CATDH364FGK

Cutler Hammer FS360125A Circuit Breaker Type FS 3 pole 125 amp 600 volt

CUTLER HAMMER FS360040A NSPP FS360040A

CUTLER HAMMER FS360030A NSPP FS360030A

CUTLER HAMMER FS360015A USPP FS360015A

CUTLER HAMMER FS360015A NSPP FS360015A

Cutler Hammer FS340150B Circuit Breaker Type FS 3 pole 150 amp 480 volt

Cutler Hammer FS340125a 125amp 480vac 3 Pole circuit breaker

CUTLER HAMMER FS340100A USPP FS340100A

Cutler Hammer FS340080A Circuit Breaker W/Line & Load 80A 3P 480V Series A

Cutler Hammer FS340080A Circuit Breaker Type FS 3 pole 80 amp 480 volt

CUTLER HAMMER FS340070A NSFP FS340070A

Cutler Hammer FS340070A Circuit Breaker Type FS 3 pole 70 amp 480 volt

Cutler Hammer FS340070A Circuit Breaker

CUTLER HAMMER FS340060A 60A 480V 3POLE BREAKER 

CUTLER HAMMER FS340050A USPP FS340050A

Cutler Hammer FS340050A Circuit Breaker Type FS 3 pole 50 amp 480 volt

Cutler Hammer FS340050A Circuit Breaker Type FS 3 pole 50 amp 480 volt

CUTLER HAMMER FS3400-40A USPP FS340040A

Cutler Hammer FS340040A Circuit Breaker Type FS 3 pole 40 amp 480 volt

Cutler Hammer FS340040A Circuit Breaker Type FS 3 pole 40 amp 480 volt

CUTLER HAMMER FS340040A 40 AMP 3/P 480 VOLT CIRCUIT BREAKER

Cutler Hammer FS340040A 3 pole 40 amp Circuit Breaker 

Cutler Hammer FS340030A Circuit Breaker 3 pole 30 amp 480 volt

Cutler Hammer FS340030A Circuit Breaker