IC693MDL930E
IC693MDL930E
IC693MDL930E
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。
德国EA电源 PS 9080-510 3U数量1
TM3AI4 1
TM3DQ8R 1
PWS6710T-P;IP65 1
LRD4365(80-104A) 2
JBK5-300VA(220/220)±5%;IP20 1
S8FS-C03524 1
HMIGXU3512;IP65 1
TM218LDA24DRN 1
TM2DOCKN 1
TM3AI2H 1
XCE-145;IP65 10
XCE-154;IP65 10
LR9-7D25M7(5-25A);IP20 4
LC1-D115006M7C;IP2X 4
LC1-D65AM7C,1NO1NC;IP2X 2
3BHL001434P0002数量3----------------
6ES7336-4GE00-0AB0 数量1
RMC 110420S 20
变频器/ABB/ACS550-01-015A-4(带面板) 台 2
变频器/ATV610U75N4/施耐德 台 2
VSC12SCO 3
MP9-20934K 1
6GK5216-0BA00-2AB2 1----------------
GT2308-VTBD 各1
041-8UG01-0DA0数量1
1、ACS150-03X-05A6-4 2.2KW 2台
2、ACS150-03X-08A8-4 4KW 1台
3、6SE7027-2TD84-1HF3 3块
RCP2-RA8C-I-60P-5-100-P2-M 3
PCON-CF-60PI-NP-5-0 3
SE-600-24 1
VS40A-200KG
VMM6-2S-A-GV-7
PFXGE4401WAD+和CP1H的通讯线(5米) 1
CP1H-XA40DT-D 1
CP1W-CIF01 1
CP1W-8ET 1
5205-DFNT-PDPS, Version:2.49, OS:2.45数量1
PM866K01数量6-----------------
CI854/A数量4----------------
6GK5208-0BA00-2AC2 1-------------
伺服驱动器MR-J3-20B 1 台
伺服驱动器MR-J3-10B 1 台
FX3U-64MR-ES-A数量1
HG-KR23数量1
FX5-16EYT/ES数量1
FX5-16ET/ES数量1
FX5-65EC数量1
FX5-CNV-BC数量1
FX5-16EX/ES数量2
GF22010-10 1个
伺服电机控制器_艾默生_UNI2402-7.5KW或者是伺服电机控制器_艾默生_UNI2403_11KW 1
VFAS1-2150PM 1
HD9MS-A069-0072-40000B 1
248HANANONS 20
3051CD2A22A1AB4M5HR5 10
M5VS-AA-R 10
EPAK-CI-CO 10
M5VS-4A-R 10
XG-7000A 2
mt30m4-38 1
V640-HAM11-V4 10
V640-HS61 20
V640-A90 50
DS6-340-30K-MX数量1
三菱变频器FR-A740-5.5kw-CHT 2台
alpha-PH1000 2
HC-KFS73K 1个
001-4130-03 1
00S0669019042 1
00-S0613-006 1
2711-T6C20L1数量1 19年面价:38164停产
ABB 60947-4-1数量5---------------
80190-560-01-R面价52658-------------
80190-580-01-R面价40906--------------
NRED-61-E 1
CRN15-02-A-P-G-E-HQQE 4
HTPUXX/050-AC3 REV02 1
西门子执行器SKD62 数量2
ABB 3AUA0000036521 2个
A06B-6114-H304 1---------------
SGMMV-A3A2A21 1------------
ABB AB-PROFIBUS-1 Anybus通讯模块 10141000 1
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