LB1-LB03P07

LB1-LB03P07

LB1-LB03P07

LB1-LB03P07

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。

SK-R9-PINT2-CF7C.250KW   5

FF300R12KE3   3

ABRC-01C   1

ACS800-01-0020-3+P901   1

151-3BB23-0AB0数量15

193-4BA00-0AA0数量20包

SH100/40080/0/1/00/00/00/00/00数量1

802B-SSADBSX数量10面价554    2019年

1794-AENTRXT      1    面价9807

1734IB8S     1      面价4016

1734-IB8S

6FX5002-5CA01-1CF0      1

XPS-AF5130   1

004-2BD00-1AB2   2

3SK1121-1AB40    1

3SK1121-1AB40    1

6EP1436-2BA20    1

138-6AA00-0BA0   6

135-6FB00-0BA1   4

132-6BD20-0BA0    8

ACS510-01-012A-4+ACS-CP-D  1控制盘安装在柜门上

ACS510-01-017A-4+ACS-CP-D  1控制盘安装在柜门上

ACS510-01-031A-4+ACS-CP-D  1控制盘安装在柜门上

ACS510-01-038A-4+ACS-CP-D  1控制盘安装在柜门上

ACS510-01-031A-4  1

RM35JA32MR   4

81007-465-51-R   3 面价6871

1SFB527068D7005   10

3RK1207-1BQ40-0AA3数量30

A5E31476700数量10

6ES7547-1JF00-0AB0   4

WF16AK1Z16    1

WF16AK1X1-WF16AK1Z3    1

WF16AK1M4-WF16AK1Z3    1

6ES7416-3XS07-0AB0   2 -------------

6ES7131-6BF01-0AA0  4 

6SL3255-0AA0-4CA1  3

6ES7132-6BF01-0AA0   5 

6ES7 416-2XP07-0AB0  2-----------

P143316F2MC468J -----------

P9220ASW3D3CD0 各1----------

6ES7972-0BB61-0XA0

6AG4141-5DB14-0FA0

6ES7155-6BA01-0CN0

6ES7134-6HD00-0BA1

6ES7193-6BP00-0BA1

6ES7193-6PA00-0AA0

6SL3053-0AA00-3AA1

6SL3100-1CE14-0AA0

6SL3163-1AH00-0AA0

6SL3162-1AH01-0AA0

6SL3100-1DE22-0AA1

6SL3120-1TE26-0AC0

6SN1113-1AA00-1JA1-----------------

6ES7522-5NB00-0AB0    1

532-5NB00-0AB0

IGBT MODULE+DRIVE    型号规格：FS450R17KE3/AGDR-71C(1700V 450A,ECONO+) 额定电压:1700.000000V;类型:IGBT;通态平均电流:450.000000A;     6个

6EP1437-2BA20 112

6EP3437-8SB00-0AY0    37

6ES7131-6BH01-0BA0 25

6ES7132-6BH01-0BA0 35

6ES7141-6BG00-0AB0 36

6ES7193-6AR00-0AA0 78

6ES7193-6BP00-0DA0 90

6ES7193-6PA00-0AA0 29

6ES7512-1DK01-0AB0 38

6ES7521-1BH10-0AA0 47

6ES7523-1BL00-0AA0 61

6ES7541-1AB00-0AB0 62

6ES7954-8LE03-0AA0 70-----------

6GK7542-6UX00-0XE0 35------------

6GK7543-1AX00-0XE0 31-----------

7MH4138-6AA00-0BA0 35

6SL3040-0JA00-0AA0 6

6SE6400-3TC00-4AD2 12

6SL3120-1TE21-0AD0 2

6RA8078-6DV62-0AA0-Z-G00-----------------------

6SL3054-0EJ01-1BA0-Z-F04   1--------------

DCS800-S02-0200-05   1--------------

6ES7 131-6BF00-0AA0    

6ES7 132-6BF00-0AA0  各5

20F11NC060JA0NNNNN   34117      10

20F11NC104JA0NNNNN   59788     2

20F1ANC170JN0NNNNN     78111     4

6EP1935-6MD11  1  

6ES7138-4FA04-0AB0  6

ETC615250    1

131-4BF00-0AA0   5个

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FR-A740-30K     1

ATV31HU30N4    1

2198-d032-ers3     29934      1

2198-p070    18950       1

Paramount?p1-fpz-M 24vdc   1

MR-J3W03ENCBL5M-A-H    8

MR-J4W03PWCBL5M-H    8

HG-KN43J-S100      9

MR-JE-40C      9

CP1W-AD042  7

EV2000-4T1100P-110KW      2

6ED1052-1HB08-0BA1        2

22-COMM-E     2 面价3277

71K550RGU-CF/55W/220V/         1

A04623         1

6EX5002-2DC10-1AF0

10-26093-1        1

CL581060              1

RJ71EIP91  1

SGLTW-35A320AP             1

SGLTW-40A600BP             1

3LD2213-0TK53   9

CP2E-N60DT-D   9

CLMD2-AJ2C8P011250 WS1531471478    位移传感器  德国ASM

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