E82EV223K4B201变频器
E82EV223K4B201变频器
E82EV223K4B201变频器
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。
HD90S-C1-PS1数量2
193-EC3CBHVA 1
3VL9300-3HE00 带旋转机构和连接杆 1
A5E01100622 1
npba-12 2个
A5E00684817 5个
352-1AG41-3FA1 2
IGBT 功率模块,EFS450R17KE3/AGDR-71C SP KIT,3个
IGBT模块,64783831,9个
3RT1045-3KF44-0LA0 12个
3RT1045-3XF40-0LA2 10个
6ES7322-8BH10-0AB0 2
6ES7331-7TF01-0AB0 4
3BHB002947R0001 一台
电机控制单元,M102-P 20
1HC0042814R0033 1
Rexroth
R911384301
R911306439
Rexroth HMD01.1N-W0012-A-07-NNNN
R911338665
R911347470
R911330278
R911306620
Rexroth Bosch HAS01.1-050-072-MN
R911306106
各5
1783-ETAP 1 面价4002
2080-LC50-24QWB 1 面价3700
1756-L74 1 面价169345
1756-A4 1 面价4208
1794-AENTR 1 面价6872
2080-SERIALISOL 1 面价751
1794-OB16 3 面价4065
1794-TB3 1 面价1804
1794-OE12 1 面价18566
6SL3353-6TH41-8BA3 1
MC07B0022-5A3-4-S0 1
140NOA62200 面价:17999 数量2
YOKOGAWA SBSD SBSD
YASKAWA ELECTRIC USADED-45-YR14 USADED45YR14
YASKAWA ELECTRIC JANCD-SV02C JANCDSV02C
YASKAWA ELECTRIC JANCD-SV02B JANCDSV02B
YASKAWA ELECTRIC CIMR-H110B.D-10 CIMRH110BD10
WHEDCO MTR-3S86-G-R-0-E-S MTR3S86GR0ES
VEE ARC 931-048 931048
TYCOR PTYSXTY480YEDRSX PTYSXTY480YEDRSX
TYCOR PTY-H-277/480-PD-4XTS PTYH277480PD4XTS
TRIDIUM INC WEB-545I-AX WEB545IAX
TREND IQ3-4002K4096 IQ34002K4096
TRANSTECTOR ACP100BW ACP100BW
TEXAS INSTRUMENTS PLC VPU210-3105 VPU2103105
TELEMECANIQUE ATV-452D15 ATV452D15
TB WOODS DVC51000AXN0BG DVC51000AXN0BG
TAYLOR ELECTRONICS 6214BZ10110 6214BZ10110
TAYLOR ELECTRONICS 6205BZ10000K 6205BZ10000K
TAYLOR ELECTRONICS 6205BZ10000 6205BZ10000
SUPERIOR ELECTRIC MX2000-2 MX20002
STROMBERG SAFT-101-C0N SAFT101C0N
SQUARE D SED362000LSGET1A8 SED362000LSGET1A
SQUARE D MHL36600-1021 MHL366001021
SQUARE D 8903SVC63V81CC33F4TY1532 8903SVC63V81CC33
SQUARE D 8539-SFW44-V81CFF4H30P1TX11 8539SFW44V81CFF4
SIEMENS R15C02188 R15C02188
SIEMENS 6SL3-351-1AE33-1AA1 6SL33511AE331AA1
SIEMENS 6SE7-016-1EA61 6SE70161EA61
SIEMENS 6SE3-228-4DK40 6SE32284DK40
SIEMENS 6RA2-625-6MV30-0 6RA26256MV300
SIEMENS 6-RA-2610-6M30D 6RA26106M30D
SIEMENS 6GT2001-0CA10 6GT20010CA10
SIEMENS 6FX1-138-6BB01 6FX11386BB01
SIEMENS 6FM1-726-3BA00 6FM17263BA00
SIEMENS 6FM1-470-3BA25 6FM14703BA25
SIEMENS 6FM1-470-3BA20 6FM14703BA20
SIEMENS 6ES5-955-5LB11 6ES59555LB11
SIEMENS 6DD1-661-0AB1 6DD16610AB1
SIEMENS 6AV7-614-0AB12-0BJ0 6AV76140AB120BJ0
SIEMENS 1PH7107-2HD03-0BA3 1PH71072HD030BA3
SIEMENS 1GG5-162-0WX40-6HV3-Z 1GG51620WX406HV3
SICK OPTIC ELECTRONIC LMS-200-S60 LMS200S60
SCHWEITZER ENGINEERING SEL-121F-X-4256MHNB SEL121FX4256MHNB
RELIANCE ELECTRIC FLEXPAX3000 FLEXPAX3000
RELIANCE ELECTRIC DDM-019X DDM019X
RELIANCE ELECTRIC B/M-60001-1 BM600011
RELIANCE ELECTRIC B/M-60001 BM60001
RELIANCE ELECTRIC 86466-87T 8646687T
RELIANCE ELECTRIC 86466-87R 8646687R
RELIANCE ELECTRIC 57C-435A 57C435A
RELIANCE ELECTRIC 57C-435 57C435
RELIANCE ELECTRIC 45C-203 45C203
RELIANCE ELECTRIC 10P8171 10P8171
RELIANCE ELECTRIC 0-57435-G 057435G
RELIANCE ELECTRIC 0-52837 052837
RELIANCE ELECTRIC 0-52501-1 0525011
PANASONIC YB-020UDD YB020UDD
NEMATRON CORP ICC-8L6-HS1-850 ICC8L6HS1850
MODICON MM-PMC3-100 MMPMC3100
MODICON MM-PMA2-400C MMPMA2400C
MODICON I646-4 I6464
MODICON AS-509P-007 AS509P007
MODICON 141-MMS-425-01 141MMS42501
MIYACHI IS-471B IS471B
MITSUBISHI HALP15K24BK HALP15K24BK
MITSUBISHI FRZ220-22.0K FRZ220220K
MITSUBISHI FR-SF-2-22K FRSF222K
MITSUBISHI A2U-CPU-S1 A2UCPUS1
MICROSWITCH 82114930-50 8211493050
MICROSTAR LABORATORIES DAP3200A/415 DAP3200A415
MEASUREX 51403299-200 51403299200
MEASUREX 51402755-100 51402755100
MEASUREX 09437300 09437300
LAMBDA LK343A LK343A