HE693IBS100D
HE693IBS100D
HE693IBS100D
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。
9-16
6AV6545-0AA15-2AX0
6ES7901-0BF00-0AA0
6RA7025-6DV62-0-Z K00+K11+G95+S00+K01 1---------
6FC5247-0AA18-0AA0 数量30个-
3WL1220-2CB32-4GA2 1
C98043-A7006-L1 1-------
6SL3224-0BE22-2AA0 1
6SL3224-0BE32-2AA0 1
6GK5216-0BA00-2AA3 1-------
6RA7085-6DV62-0 1 ---------
6SL3210-1SE13-1UA0 1
6SL3255-0AA00-4CA1 4
1769-OW16 4576 面价 5个
TAGNO. 1AT-41301A
CBJSW-A0001D-1 各1
FTLX1871D3BCL 43个
E82EV222-4C 1
6AV2124-0MC01-0AX0 数量:1-------
Drelloscop 3015 1台
SERVOMEX 2200 1
6SE7090-0XX84-2FA0 1
6ES7522-1BF00-0AB0 1
6SE7090-0XX84-0BJ0 1
MADHT1505L01 200V 1
1786-RPFM 2 面价 10780
4WE10H5X/HG24N9K4/M 2件,
ACS-CP-D 34
1769-OF8C 16611 4
C200H-ID216 2
C200H-OD212 4
C200H-CT021 2
C200H-ID212 4
C200H-AD003 2
C200H-DA003 2
E3FA-DN23 10
E3FA-DP23 10
C200H-OC225 13
E3FA-DN23 10
E3FA-DP23 10
E2A-M18LN16-M1-B1 10
E2A-M18LN16-M1-C1 10
590P-53240020-P00-U4V0 2
690-431950B0-B00P00-A400 2
CM351909 2
AH467407U001 2
AH387775U001 2
KB113LS,48个
FR-E740-15K 数量:1
FR-A7NC-E KIT 数量:31
品牌:Scancon
2RCI-4096-D-11-30-66-C12-S 3件
2RCI-1000-D-11-66-C12-S 3件
质量流量计-2700R12BBAMZZZ 0-20kg/h-艾默生 2
MSK050C-0300-NN-M1-UP1-NNNN 1
CQM1-OC221 1个
CQM1-OC222 1个
CQM1-ID212 1个
CPM2AH-60CDR-A 2个
CPM2AE-60CDR-A 2个
M18SP6R 10
M186E 10
霍尼韦尔 51403422-150 -------
SB-2T 4
SLB415-2.2 4
1756-A4 2 面价 4091
1756-L71 2 面价 63506
1756-EN2T 2 面价32318
1756-EN2TR 3 面价35030
1756-PA75 2 面价13673
1756-RM2 2 面价59551
1756-RMC1 2 面价2034
1606-XLE240E 1 面价2407
2711P-T15C21D8S 1 面价36500
1783-US5T 2 面价1537
6SL3350-6TK00-0BA0 1
供应ABB真空断路器VD4-12-25KA 630~4000手车式真空断路器VD412
ABB高压真空断路器VD4-12/1250A-31. 5KA
断路器VD4-12/2000A-31. 5KA
断路器VD4-12/630A-25KA
E3H-3200/3P
E2N-1250/3P 2台
E1N-800/3P 2台
E3N-2500/3P
E3N-2000/3P
E2N-1000/3P
E4H-4000/3P
E2N-1600/3P
其它数量各1
6AG4114-2NQ71-0HX6,1台
6ES7153-2BA70-0XB0,1
6ES7195-7HA00-0XA0,1
6ES7195-7HB00-0XA0,6
6ES7195-1GF30-0XA0,1
6ES7321-1BL00-0AA0,4
6ES7392-1AJ00-0AA0,3
6ES7392-1AM00-0AA0,8
6ES7322-1BL00-0AA0,2
6ES7331-7KF02-0AB0,3
6ES7332-5HF00-0AB0,2
6GK1503-3CB00,1
6ES7972-0BA52-0XA0,1
6EP1961-3BA21,1
25C-D6P0N114 1 面价6520
Indramat RAC3.5-150-460-A0I-W1 2
TM218LDAE24DRHN 1
6ES7315-2AG10-0AA0 1
315-2AG10-0AB0
6SL3330-1TE41-5AA3 1
美国GE 水露点变送器VERIDRI-12R-11-000-0-0 2
25BD6P0N104 数量15台 5243
212-1BE40-0XB0 3
1794-APBDPV1 8983.5 3台
6SE7090-0XX84-3DB0 2个
6SL3210-1KE21-7UF1+BOP-2( 6SL3255-OAA00-4CA1) 1
255-0AA00-4CA1
ATS01N103FT 1
6FX2001-3CB00 1
6AV2124-0QC02-0AX1 2---------
E3N3200 R3200 1
6ES7214-1BD22-0XB0 1
6ES7422-1HH00-0AA0 2--------
1769-SM2 2 4994.6
6AV6 647-0AF11-3AX0 2----------
6ES7 231-4HA30-0XB0 2
6FC5371-0AA30-0AB0 1--------
800TC-J20B数量6 1141
DCM-BL100 6870DS1720A 3
6870DS1715A 3
ZCAT3035-1330 2
A1A14000461.00s 数量;1
7ML1830-2AK 1
800F-X10 200 面价29.95
6ES7 322-1BH01-0AA0 1
6ES7 901-3DB30-0XA0 1
PSTX300-600-70 1------
ABB / 07AI91 / GJR5251600R0202 6台
1769-L32E 1 面价40906--------
1734-IE4C 3921
1734-IB8 935
1734-TB 181
1734-OE2C 2542
1769-L33ER 29606---------
1769-PB2 3130
1734-OB8 1055
6SN1111-0AA00-1FA0 2块-------
A5E32401109 2
1794-OB32P 10 5062
1794-IB32 B 10 4475
2711-M3A18L1 4 11年面价4030
6SL3055-0AA0-4CA5 2
6SL3055-0AA00-2TA0 2个
安川JAPMC-CM2304-E 1------
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