170M4813熔断器
170M4813熔断器
170M4813熔断器
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。
*KTBAE07956 ABB
*ETC650330
ETC650340
140CPU11303
140CPU43412A
171CCC98030
170ANR12090
171CCC96030
170ADM35011
170AAI52040
G310C210
7SR1206-2HA77-1CA0/FF
2198-P141
IC695CMM004
FAU810
ABE8 R44SB11 ABB
ABE8 S40SB00 ABB
AC2611
VAC-MF7.5/5.5r-153 ----------
比例阀放大器 3DREPE 6 C-21=25EG24N9K31/A1M=00 个 1
比例阀放大器 3DREPE 6 C-20=25EG24K31/A1M=00
WF1000-06A0150 ---------
triconex 3721 3
1756-IF16/A 面价:19710 1
A5E02624585 1
3SE5000-0AE0 15个
电磁阀线圈MFB12-37YC,220V 30W。20个
MDX61B0040-5A3-4-0TAC380VSEW-EURODRIVE
DFE32BSEW-EURODRIVE 1
MDX61B0015-5A3-4-OTAC380VSEW-EURODRIVE
62952000 SM-M2数量2
YOKOGAWA 3760-31-02/D/RS-232C/REM/AK-02/LMP 37603102DRS232CR
YASKAWA ELECTRIC USASEM-30AS2K USASEM30AS2K
YASKAWA ELECTRIC DDSCR-GL70H3 DDSCRGL70H3
YASKAWA ELECTRIC CIMR-SSA-4055 CIMRSSA4055
YASKAWA ELECTRIC CACR-PR03BC3ES CACRPR03BC3ES
WINSMITH A-44381X0GC A44381X0GC
WESTINGHOUSE S140D481G02 S140D481G02
WESTINGHOUSE DBL-25-1200 DBL251200
WESTINGHOUSE 2067A02G06 2067A02G06
TOTAL CONTROL PRODUCTS QPL-CGA-E0000 QPLCGAE0000
TOSHIBA VT130G2U5270 VT130G2U5270
TEXAS INSTRUMENTS PLC MON-4614-SM MON4614SM
TEXAS INSTRUMENTS PLC 560-2120W 5602120W
TEXAS INSTRUMENTS PLC 505-ATM-0440 505ATM0440
TELEMECANIQUE TSX-P87-425 TSXP87425
TB WOODS WF2C4075-0A WF2C40750A
TAYLOR ELECTRONICS 6214PZ00005A 6214PZ00005A
TAYLOR ELECTRONICS 6204BZ10100G 6204BZ10100G
TAYLOR ELECTRONICS 6202NZ10000C 6202NZ10000C
TAYLOR ELECTRONICS 6202NZ10000 6202NZ10000
SYMBOL TECHNOLOGIES VRC6940-00V651US VRC694000V651US
SYMBOL TECHNOLOGIES VRC6940 VRC6940
SYMAX 8881-MLI-224 8881MLI224
SYMAX 8030-ROM-871 8030ROM871
SYMAX 8020-SCP-631 8020SCP631
SYMAX 8010-SFW-473 8010SFW473
SYMAX 8010-SFW-472 8010SFW472
SQUARE D MHL3670035DC2351 MHL3670035DC2351
SQUARE D 8639NSA4SSPL1SPL2 8639NSA4SSPL1SPL
SIEMENS 6SE9-523-7DH40 6SE95237DH40
SIEMENS 6SE7643-7HC33-3KX0 6SE76437HC333KX0
SIEMENS 6SE7-031-8TF50-1AA0 6SE70318TF501AA0
SIEMENS 6SE7023-8TP50-Z 6SE70238TP50Z
SIEMENS 6FC5357-0BB34-0AE1 6FC53570BB340AE1
SIEMENS 6ES7-650-0BA13-0BX0 6ES76500BA130BX0
SIEMENS 6ES7650-0BA10-0BX0 6ES76500BA100BX0
SIEMENS 6ES5-943-7UB21 6ES59437UB21
SIEMENS 6ES5-943-7UB21 6ES59437UB21
SIEMENS 6DS1-220-8AA 6DS12208AA
SIEMENS 6AV3-627-1JK00-0AX0 6AV36271JK000AX0
SIEMENS 1PH4168-4NF26 1PH41684NF26
ROBO CYLINDER ISPA-MZM-A-200-10-200-T1-AQ-B ISPAMZMA20010200
REXROTH 1-070-083-221-304 1070083221304
RELIANCE ELECTRIC UVZ3475 UVZ3475
RELIANCE ELECTRIC S-D4006-C SD4006C
RELIANCE ELECTRIC S6R-9006 S6R9006
RELIANCE ELECTRIC 86466-60T 8646660T
RELIANCE ELECTRIC 8371324BTP 8371324BTP
RELIANCE ELECTRIC 45C-313A 45C313A
RELIANCE ELECTRIC 45C-231 45C231
RELIANCE ELECTRIC 3RA2015 3RA2015
RELIANCE ELECTRIC 30V4260 30V4260
RELIANCE ELECTRIC 24C4140U 24C4140U
RELIANCE ELECTRIC 0-5285-0 052850
POWERTEC INDUSTRIAL MOTORS INC M6HLEN-00090-00 M6HLEN0009000
PARVEX MC19PA7326 MC19PA7326
ORMEC ORN-J1057301 ORNJ1057301
OMRON NT31-ST121B-EV1 NT31ST121BEV1
OMRON NSJ10-TV00BG5D NSJ10TV00BG5D
OMRON F400-C15E F400C15E
NIKKI DENSO NPSA-ZMTA-201AE NPSAZMTA201AE
NIKKI DENSO NPSA-ZMTA-101AE-CE NPSAZMTA101AECE
NIKKI DENSO NPSA-ZMTA-101AE NPSAZMTA101AE
NEMATRON CORP ICC-5000-PC1 ICC5000PC1
MOTOMAN ROBOTICS RM6210 RM6210
MODICON S79G-S00-P010 S79GS00P010
MODICON MMPMT24T0C MMPMT24T0C
MODICON MM-PMT1400C MMPMT1400C
MODICON AS-D008-040 ASD008040
MITSUBISHI Q4A-CPU Q4ACPU
MITSUBISHI Q25H-CPU Q25HCPU
MITSUBISHI ACME AD51S3 AD51S3
MEASUREX 51401288-100 51401288100
MEASUREX 51305390-100 51305390100
MEASUREX 51304362-150 51304362150
MEASUREX 09806701 09806701
MEASUREX 08495006 08495006
MATTSON 5514027 5514027
LEYBOLD HERAEUS 013-58-021-939 01358021939
KOLLMORGEN IND ME9-203-B-AQ9-254 ME9203BAQ9254
KENT TAYLOR 6202NZ10000B-1342 6202NZ10000B1342
INSTRUMENT TRANSFORMERS INC 3CPT3-60-30-SD07026 3CPT36030SD07026
INDRAMAT MDD112D-N-030-N2M-130PB0 MDD112DN030N2M1A
INDRAMAT MDD093B-N-020-N2L-110PB0 MDD093BN020N2L11
INDRAMAT MDD071C-N-030-N2S-095GB0 MDD071CN030N2S0A
INDRAMAT MDD071C-N-030-N2L-095GA0 MDD071CN030N2L09
INDRAMAT DSC3.1-50-115 DSC3150115
INDRAMAT DSC3.1-050-115V DSC31050115V
INDRAMAT 2AD132D-B35OB1-AS03-B2N1 2AD132DB35OB1AS1
INDRAMAT 2AD100D-B050B1-AS03-B2N1 2AD100DB050B1AS0
IMPERIAL 08124800 08124800
HYDRAULIC VALVE DIVISION BD90 BD90
HONEYWELL 51304511100 51304511100
HOFFMAN ENCLOSURES PTRS362424XA PTRS362424XA
HOERBIGER ORIGA P55001004000-00755 P550010040000075
GOULDS PUMP 3196-6X8-13 31966X813
GIDDINGS & LEWIS 502-03927-03 5020392703
GIDDINGS & LEWIS 401-34401-00 4013440100
GENERAL ELECTRIC L90-G00-HPH-F8F-H6C-LXX-N6S-S6U-U6U-W7R L90G00HPHF8FH6CL