DSQC101
DSQC101
DSQC101
4、 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。
9-29
FDCO-02 1
6SN1123-1AA00-0AA0 2-------
3UF7941-0AA00-0
HMS02.1N-W0054-A-07-NNNN 1--------
HMS01.1N-W0020-A-07-NNNN -------
6GK5204-2BB10-2AA3 10 -------
ACS-AP-W 4
RDCO-04C 4
BCU-02 4
BCU-12 4
AI820 3
AO810 3
6AV2124-0UC02-0AX0 TP1900 Comfort 1块
6SE7031-8EF60 1---------
A02B-0319-D514#M 1
1762-IF4数量5 3378
6ES7323-1BH01-0AA0 数量:2
6AV7240-0BC06-0HA0 数量:1
6ES7626-1SB04-0AC0 数量:1
西门子 储存卡6FC5250-7CY30-4AH0 1张-------
西门子6FC5357-0BB15-0AA0 1块-------
6AV6 648-0BC11-3AX0 1-------
6ES7 331-7KB01-0AB0 1
6AV6643-0AA01-1AX0---------
6AV6 647-0DA11-3AX0 ------
6AV6545-0DA10-0AX0 ------
6AV7861-2TB10-1AA0 ------
6ED1056-1DA00-0BA0
6ED1056-7DA00-0BA0
6EP1332-1SH12 2.5A
6AU1445-0AA00-0AA0 --------
6EP1437-2BA10 40A 380V/24V
6EP3311-6SB00-0AY0
6ES5451-2BA11
6ES7 021-3TP50
6ES7 131-1BL01-0XB0
6ES7 132-4HB00-0AB0
6ES7132-4HB10-0AB0
6ES7131-4BF50-0AA0
6ES7 138-4CF42-0AB0
6ES7 141-3BH00-0XA0
6ES7 142-3BF00-0XA0
6ES7 274-1XA30-0XA0
6ES7 274-1XF30-0XA0
6ES7 212-1HE40-0XB0
6ES7 314-6CF00-0AB0
6ES7 323-1BL00-9AM0
6ES7 340-1AH02-0AE0
6ES7 392-1AM00-0AA1
6ES7 460-0AA01-0AB0
6ES7 461-0AA01-0AA0
6ES7 522-1BH10-0AB0
6ES7 901-3BF20-0XA0
6ES7 901-3CB30-0XA0
6ES7 953-8LJ10-0AA0
952-1KP00-0AA0
6ES7-134-4GB00-0AB0
6ES7138-4CA50-0AB0
6ES7-138-4DF01-0AB0
6ES7-138-4FB03-0AB0
6ES7138-4FR00-0AA0
6ES7141-4FB00-0AA0
6ES7-151-3BA23-0AB0
6ES7151-7AA13-0AB0
6ES7193-4CB30-0AA0
6ES7305-1BA80-0AA0
6ES7314-6CH04-0AB0
6ES7317-2AJ10-0AB0
6ES7-392-AM00-0AA0
6ES7953-8LG30-0AA0
2GCA281348A0030 1
A20B-8200-0846 2件(0847也可以)
YT204001-KF
YT204001-AD/2 YXU-168A
YT204001-AA/1 YPM102A
YT204001-CE YPG109A YYT105CE
YT204001-CN/4
YT204001-HC
YT204001-JD/3
YT204001-BP
YT204001-FSI1
YT204001-FK/1
YT204001-FL/1
YT204001-OK
YT204001-BN
YT204001-JL
YT204001-JB
YT204001-JD
YT204001-FL/1
YT204001-DT
YT204001-AA
YT204001-CB/2
YT204001-FK
YT204001-FB
YT204001-FS
YT204001-JH
YT204001-BG
YT204001-BM
YT204001-DL
YT204001-FP
YT204001-DM/1
YT204001-FD
YT204001-BL/2
YT204001-FY/1
YT204001-AN
YT204001-JJ/1
YT204001-EH
YT204001-DY/2
YT204001-DF
YT204001-CP
YT204001-CN/2
YT204001-KE
YT204001-JD/1
YT204001-AM
YT204001-HS
YT204001-0Y/2
YT204001-HE
YT204001-JF
YT204001-CK/1
YT204001-JH/1
YT213001-BA/1
YT213001-BC/2
YT213001-AC/2
YT213001-BC
YT213001-AB
YT213001-AA
YT213001-BA
YT213001-BC/1
YT213001-BB
YT213001-AC/4
YT213001-AA/3
YT213001-AB/2
YT213001-AB/6
CUTLER-HAMMER 100 AMP CIRCUIT BREAKER 2-POLE MODEL QBHW2100
CUTLER-HAMMER 02182 D80N D80/906 D80AS1 TIMER NNB
Cutler-Hammer - D830 - 1 YEAR WARRANTY
CUTLER-HAMMER CIRCUIT BREAKER GDB 14K 5 EA/15A and 1 EA/25A
Cutler-Hammer ED3100 100A 3P 240V 65kaic Circuit Breaker Kit BKED100T -
CUTLER-HAMMER GROUND FAULT SENSOR5264C10H04
CUTLER HAMMERWESTINGHOUSE DIGITRIP 510 TRIP UNIT
Cutler Hammer-Thermal Magnetic Trip CATKT3400T 237
CUTLER HAMMER0CN30A SERIES A1 MAGNETIC CONTACTOR SIZE 1 BIN 41
Cutler Hammer/Westinghouse/Challenger 150A Breaker Mounting Kit FD4K
CUTLER HAMMER/WESTINGHOUSE SPB 100 3000 AMP FRAME FREE FREIGHT SHIPPING
CUTLER HAMMER/WESTINGHOUSE JDB3225 CIRCUIT BREAKER 225A XLNT
Cutler Hammer/Westinghouse ITAP321 30 Amp 240 Volt Bus Plug
CUTLER HAMMER/WESTINGHOUSE 5ACLS-6R 508KV 1706R
Cutler Hammer/Eaton E51ALT1 Inductive Proximity Sensor
CUTLER HAMMER YORK 024-12405-000 CONTACTOR 02412405
CUTLER HAMMER XTSCP63BBA NSFP XTSCP63BBA
CUTLER HAMMER XTPRC012BC1 NSFP XTPRC012BC1
CUTLER HAMMER XTPR040DC1 USPP XTPR040DC1
CUTLER HAMMER XTPR012BC1 NSFP XTPR012BC1
CUTLER HAMMER XTPAXSDSC NSFP XTPAXSDSC
CUTLER HAMMER XTPAXSDSB NSFP XTPAXSDSB
CUTLER HAMMER XTOE ELECTRONIC OVERLOAD 9-45AMPS ZEB65-45
CUTLER HAMMER XTFR016BCA NSFP XTFR016BCA
CUTLER HAMMER XTFC010BBA NSFP XTFC010BBA
CUTLER HAMMER XTCS500M22A NSFP XTCS500M22A
CUTLER HAMMER XTCR040D11TD NSFP XTCR040D11TD
CUTLER HAMMER XTCR009B21TD NSFP XTCR009B21TD
CUTLER HAMMER XTCR009B21A NSFP XTCR009B21A
CUTLER HAMMER XTCR007B21A NSFP XTCR007B21A
CUTLER HAMMER XTCF200G00B NSFP XTCF200G00B
CUTLER HAMMER XTCF160G00B NSFP XTCF160G00B
CUTLER HAMMER XTCF125G00TD NSFP XTCF125G00TD
CUTLER HAMMER XTCEXTED1C11B NSFP XTCEXTED1C11B
CUTLER HAMMER XTCEXPLKL185 NSFP XTCEXPLKL185
CUTLER HAMMER XTCEC050D00TD NSFP XTCEC050D00TD
CUTLER HAMMER XTCE500M22A USPP XTCE500M22A
CUTLER HAMMER XTCE170G00B NSFP XTCE170G00B
CUTLER HAMMER XTCE072D00B NSFP XTCE072D00B