产地:yczdh0004 |
CIMRF7U40371E
CIMRF7U40371E
CIMRF7U40371E
5-12
6ES7142-1BD21-0XB0+++++++++
MDX61A0220-503-4-00++++
施耐德33594手持测试仪++++++
6SN1112-1AC01-0AA1++++++
orbis 测径仪光源B.N2.540.0240 1
6SE6440-2AD27-5CA1 4
6Sl3054-0EF00-1BA0 3
6ES7922-4Bc50-0AD0 3
6SL3054-1CG00-1AA0 3
6AV6643-0CD01-1AX1 2
3AUA0000046678,2个
3AUA0000046634,2个
68838878,AC230V,50/60Hz,5NC(AU),ABB 1个
EV3000-4T1100G 1
EV3000-4T1100G 1
20BC072A0AYNANC0/B 63619 1
变频器主板 FS450R17KE3/AGDR-71C 1
变频器主板 AINT-14C 1
WOODWARD00415-105-901+++++++++
WOODWARD00082DRAWWORKS++++++
KFD2-SOT2-Ex2
model:5705ARSNGNYNZ
model:5705BCSNGNYNZ
model:5705BHSDHNGNYNZ
PR221DS
100-D180
KTZJ20-PL3/71
3-112M-04
THS-ZJEN G3/4-Ⅱ
M9-1012-7038
DRUCKPTX EX-0129/D AI
ES6T2F-STETHERCOM
07-7331-2304/2000
07-7331-230H-1010
KFD2-SR2-Ex2.W
VGS-3729-MS-XDAS-44-D024(10028680-002)
IP-ENC2-R
ZTX7/16M4
250929
106483S
VEGASON 62
EV22K2-12/24
020570-B 20 个
531-7KF00-0AB0 3
532-5HF00-0AB0 3
522-1BL01-0AB0 3
972-0AA02-0XA0 1
OMRON 通信模块 NT-DRT21 2个
HEC 8A,ID.NUMBER:HAGG301141P0001,瑞士ABB
3AUA0000046678,5NC,AC/DC24V,ABB 2个
3AUA0000046634,ABB 2个
68838878,AC230V,50/60Hz,5NC(AU),ABB 1个
ACS510-01-038A-4 1
JC05R5A4-V1.0 1
6181P-17TPXPH 58200 1+++++++++++++
7MH5108-5KD00 2个
DCS550-S02-0150-05-00-00 1+++++
DCS550-S02-0300-05-00-00 1++++++++++
WDR-120-24 2
WDR-240-24 2
AT30-1212 5
DRT-480-24 4
SE-600-24 2
1700-1140215-01 1
PA20S1 1
A06B-6290-H209 1++++++++++
6AU1400-2PA23-0AA0 1
6GK1561-2AA00 1
6ES7 151-1AA05-0AB0 1
6ES7 151-1AA06-0AB0 2
6ES7 153-1AB03-0XB0 6
6ES7 153-2BA10-0XB0 1
6ES7 153-2AR03-0XA0 1
6ES7 153-2AF04-0XA0 1
6ES7 195-1GF30-0XA0 1
6ES7 197-1LA12-0XA0 1
6ES7 212-1AB23-0XB8 1
6ES7 290-6AA20-0XA0 1
6ES7 313-5BF03-0AB0 1
6ES7 314-1AG14-0AB0 1
6ES7 314-6CG04-0AB0 1
6ES7 314-6EH04-4AB1 1
6ES7 315-2AH14-0AB0 1
6ES7 315-2EH14-0AB0 1
6ES7 315-6FF04-0AB0 2
6ES7 317-2AK14-0AB0 1
A5E427402 3
A5E378770 2
7MF4033-1FA50-2AB6-Z 0-16Map 2
7MF4233-1FA10-2AB6-Z 0-1.3bar
Type GEL 235Y002(235SG1312BDS4) 1
20G1ANF098JA0NNNNN 19年面价 112636 1+++++
150-F135NBD 面价33109 1++++++++
A290-7224-V556 1
A5E32114485 1
214-1BG40-0XB0 2个
D3230A C1086-210510-03 1个
6AV66647-0AA11-3AX0 数量3个++++++++
欧姆龙 G3NA-225B(INPUT:5-24VDC,LOAD:24-240VAC,25A) 5个
1SFB536068D1013 1台
6ES7334-0CE01-0AA0 1件
6ES7322-1HH01-0AA0 1件
6ES7321-1BL00-0AA0 1件
6SL3120-1TE15-0AD0 数量1
输出模块 JAMSC-120DA084300 安川 数量2
6SL3055-0AA00-6AB0 1
JAG E.6.1.1.0.5.0.0.0.0+DTE 02.47.32.1.02.1 2
JAG A.6.3.1.0.5.0.0.0.0+DTE 02.47.32.1.02.1 2未税
ABB 测氢仪探头,HME0200D,数量:20
BMX AMI0810 1
BMX AMO0410 1
BMX CPS3020 4
BMX DDI1602 2
BMX EAE0300 1
BMX NOE0100 1
BMXP342020 1
BMX DDI3202K 2
BMX DDO3202K 2
BMX FCW303 1
BMX FTB2010 1
BMX FTB2820 2
BMX XBP1200 1
BMXCPS2010 2
BMXXBP0800 1
BMXDDO1602 1
BMXXBE2005 2
BMXCPS4022 2
BMXEHC0200 2
BMXXTSHSC20 2
BMENOP0300 1
BMXXEM010 2
BMXXBP0800 1
BMXAMI0410 2
BMXNOE0100 1
6ES7810-4CC11-0YA5 1个++++++++
6FC5203-0AF22-0AA2 数量1++++++++
6ES7972-0BB12-0XA0 数量2
西门子 SIEMENS Verteilerbox6FX2006-1BC01 S07378618050017 数量1
93a-ejo-coj-dm-djbj-2jd amc 1
6SE6420-2AB13-7AA1 1台
6ED1052-1FB00-0BA5 2
140M-L2E 2个 无面价
40382-074-53 6个 无面价
2080-LC50-24QWB 3593
2080-IF4 1548 各一
6ED1055-1FB00-0BA2 2
ABB
1SFB536068D1013-A
1SFB536068D1011 各一
FRN45G11S-4C
DOP-B10E615 1
MD480-7T-132P 1
MD480-7T-160P 1
MD380T2.2GB 2.2KW 380V 1
VFD2800C4EC 1
7ML12011EE00 1
FMU40-ARB2A2 14~36VDC 0.8W 0-5米 1
ADVR-16数量1
238610-058-D 6个 8316G064 24VDC 4个
GE-hi-break circuit breaker,型号:cat no sfha36at02250 1台
3ABD64606778 2
SRAC2-F01数量1
6ES7193-4CC20-1AA0 5
6ES7142-1BD21-0XB0 1++++++++
GF22010 4
HIES208441R0003(数量:8)
3BHB10945R0001(数量:8)
3BHB016860R0001(数量:4)
3BHL000986P0006(数量:20)
3BHB15651P0001(数量:14)
4984220-2(数量:16)
3BHB01170P0001(数量:2)
3BHB09183P0001(数量:10)
63945838(数量:12)
3BHB003188P0010(数量:4)
TM2AMM6HT 1
C79451-A3468-B231 气室
C79451-A3468-B20NO检测器
C79451-A3468-B21 so2检测器
C79451-A3468-B515斩波器
C79451-A3468-B206 光源
控制单元 FPG-C32T2HT15 室内机_整合移载机:102
6ES7336-4GE00-0AB0 1个
FPG-C32T2HTM 10个
K20B-0700-0361/01数量2
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。
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