A06B-6320-H332

A06B-6320-H332

A06B-6320-H332

A06B-6320-H332

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。

A06B-6140-H030-----------

NOx/O2分析仪EL3020----------

A06B-6130-H002----------

A06B-6320-H332---------

A06B-6320-H244----------

A06B-6140-H026  --------------

A06B-6240-H210----------

A06B-6220-H045-----------

A06B-6240-H211----------

ACS510-01-046A-4        2

6AU1445-0AA00-0AA0   1--------------

IT6070T-D   1

H5U-1614MTD-A8  2

H2U1010mr-xp  1

H2U-4ADR   1

IT5-H2U-CAB  1

XVGB2SMA DC24V供电  1

HDR-100-24  1

2P-C6  1

JXF-40/30/14  1

ATV61HD30N4   1

3AE1174-1   2

140CPS11420    2

模拟量输入模件含预制电缆

 NKAS01-15  SPASI23   TAIO6  4套

LMC058LF42   8

Rexroth   货号：R412004585数量2

325-1TG41-6AA3    1

i4507力矩控制限制器/显示仪，品牌Raycowylie

6SE7035-1EJ84-1JC1    1个

电动机   M20A180M4A  V1   18.5kw   ABB 1台

ACS880-01-145A-3+D150   1

GE FANUC IC20OEBI001 

GEFANUC IC693CMM321 

GE FANUC IC754VSI12CTDHH 

GE IC647TRT999 

GE IC670MDL240 

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GE IC693MDL240 

GE IC693PRG300 

J120-380AS24MA2   2

MHF2-16D1 G气缸     2

6SL3210-1KE11-8UF2

6ES7231-4HD32-0XB0

6ES7231-5QD32-0XB0

6ES7214-1AG40-0XB0

3SU1102-0AB70-1BA0

3SU1100-0AB10-1CA0                                 各一个

ACS800-04-0260-3+D150数量1

基恩士

光栅GL-R79F_ KEYENCE

光栅角度调整支架GL-RB01/GL-RB01_ KEYENCE

光栅缆线GL-RPT5PM_ KEYENCE

光栅继电器端子GL-T11R_ KEYENCE

光栅电源SL-U2_ KEYENCE

E + H FTL51-GGE2BB8C3S 1只

E + H PMC-GE12M1HS1R1 1只

描述: MES114F 220-250V

订货号: 59652    一个

HW1270964-15;接口X21    1

6ES7 315-2AG10-0AB0   1-------------

6ES7 414-3XM05-0AB0    1-------------

UHA1R-0060L容量：6KVA/4.8KW   1

DRT2-ROS16    10

6EP1336-3BA10—2个

品名：ELMO PTWI驱动器，规格：PTWI-WTR70/100-GEVH,ELMO，需求数量：5PCS

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TEXAS INSTRUMENTS HIGH SPEED PULSE INPUT MODEL 500-5023

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