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6FC5210-0DF23-2AA0数控主板
6FC5210-0DF23-2AA0数控主板
6FC5210-0DF23-2AA0数控主板
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。
6SN1145-1BA01-0DA1 1
6FC5247-0AA00-0AA3 1
6FC5357-0BB35-0AA0 1
6FC5210-0DF22-2AA0 1
6SN1123-1AA00-0EA2 1
6SN1118-0DM31-0AA1 1
6FC5247-0AF08-0AA1 1
6SN1123-1AA00-0LA3 2
6SN1118-0DJ23-0AA1 1 ---6SN1118-0DJ23-0AA2
6SN1123-1AA00-0CA1 1
6SN1123-1AB00-0BA1 1
6SN1123-1AB00-0HA1 1
滤波电容 C67W1236J00270R SH 33
EP05AI1 2
EP05AA1 2
EP05AU1 2
EP05AU2 2
264DR-HSRRRA1/E1/L1/B1 1个
264DC-HSRRRA1/E1/L1/B1 1个
1734-OE2C 面价2617 10个
TC96 Input Universal 6 孟加拉
Saveris 2-H1 2
CSS54E-W 100
RDIO-01
RPBA-01 各一个
abb PST60-600-70 2个
KOM300F-S-SC DC12-36V 2
DXP-L2CGNME0000R Emerson 数量6
TCP/IP MVI56E-MNETR Allen Bradley 数量1 无面价
CP6201-0001-0060 1
MOXA无线AP网桥MOXA AWK-3131A802.11n 1个
YASKAWA ELECTRIC ETJ002860 ETJ002860
YAMATAKE 82114927-002 82114927002
WESTRONICS INC 3000-111-010-031-012-0-0 300011101003101
WESTINGHOUSE NCMZ-1799 NCMZ1799
WESTINGHOUSE 2838A31G01 2838A31G01
WESTINGHOUSE 149D930G01 149D930G01
TYCOR PTY-H-277/480-PDTS PTYH277480PDTS
TOPEX 2200-HYC 2200HYC
TEXOR AB 56-3206-25 56320625
TELEMECANIQUE TSX-P87-455E TSXP87455E
TAYLOR ELECTRONICS 6214BZ10110 6214BZ10110
TAYLOR ELECTRONICS 6205BZ10000 6205BZ10000
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SYMAX 8020-SCP-544 8020SCP544
SYMAX 8020-SCP-424 8020SCP424
STROMBERG SAFUI-290F460 SAFUI290F460
SQUARE D NJHN36000S40ABSOY002 NJHN36000S40ABSO
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SIEMENS 1FT6105-8AB71-1TA0 1FT61058AB711TA0
SICK OPTIC ELECTRONIC LUT1-450 LUT1450
SICK OPTIC ELECTRONIC LUT1-440 LUT1440
SICK OPTIC ELECTRONIC LUT1-431 LUT1431
SICK OPTIC ELECTRONIC LUT1-410 LUT1410
SICK OPTIC ELECTRONIC LUT1-400 LUT1400
SAGINAW D-56059 D56059
RITTAL 3394.509 3394509
REXROTH 0-608-830-123 0608830123
RELIANCE ELECTRIC T2851303L-TX T2851303LTX
RELIANCE ELECTRIC T2851303L-SX T2851303LSX
RELIANCE ELECTRIC C1812ATZ C1812ATZ
RELIANCE ELECTRIC 86487-S 86487S
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RELIANCE ELECTRIC 3RA2003 3RA2003
RELIANCE ELECTRIC 0-51893-2 0518932
PPT VISION 661-0326-C30 6610326C30
OMRON NT600M-DT211 NT600MDT211
OMRON F400-C10E F400C10E
OMRON CV500-MC221 CV500MC221
NSK 23056-CAMK-E4-C3 23056CAMKE4C3
NEMATRON CORP ICC-310 ICC310
NEMATRON CORP IC61A1-CB5105F0 IC61A1CB5105F0
NEMATRON CORP IC61A1-C8910461 IC61A1C8910461
NACHI RAX11 RAX11
NACHI MFM552Q3V MFM552Q3V
MOTOMAN ROBOTICS USASEM-01YRW11 USASEM01YRW11
MODICON PC-0984-785 PC0984785
MODICON AS-984B-932 AS984B932
MODICON AM-C996-804 AMC996804
MODICON 557VIC10400 557VIC10400
MODICON 140-NOE-771-01 140NOE77101
MODICON 140-CPU-534-14B 140CPU53414B
MODICON 140-CPU-534-14 140CPU53414
MITSUBISHI SJ-VS26-05ZM SJVS2605ZM
MITSUBISHI MRS1200E31 MRS1200E31
MITSUBISHI FR-Z240-5.5K-UL FRZ24055KUL
MITSUBISHI A4U-CPU A4UCPU
MITSUBISHI A3M-CPU-P21 A3MCPUP21
MITSUBISHI A3-CPU A3CPU