模块电缆\WRMS33205-A
模块电缆\WRMS33205-A
模块电缆\WRMS33205-A
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。
JWAK-35S5D15S12NI（输入AC165-265V，输出5V、+_15V) 个 1
6SE7090-0XX85-1DA0 1----------------
6SE7090-0XX84-1AB0 1----------------
SD832 10-------------------------------
SS832 4------------------
SD833 3------------------
6EP1961-3BA41 1
综合保护测控单元 F35N03HUH8LH6AM6EW7C (1/5A;DC220V;RJ45;IEC61850) 2个
IC200ALG260D 数量：6块
ACS880-01-24A3-2 1
ACS880-01-10A6-2 1
ACS800-01-0006-3+P901 1
TCP1561Hi 1
ATV610H40N4 1
FZ1000R16KF4 1
RH40G-4DK.2F.1R 1
ATV71HU40N4 1-------------------
5094-AEN2TR数量10 10580-------------------
6SN1111-0AA00-1FA0数量1-----------------
BMEH584040C--------------------
BMENOC0301C--------------
FX3U-32MR/ES数量2
A16B-3300-0035/01A 1
PSD-30/0-400bar/P#:13188977/S#:11046JCX 10
PSD-30/0-35bar/P#:13186206/S#:001261BXA2 10
HDA3845-A-400-000 10
HDA3840-A-350-Y24(6m电缆) 20
PT100/TFP104-000 904696/Seriennr:137D052151/带插头 10
ETS386-3-150-Y00-30-150℃/20-32VDC/1.2A/ART-N2:920651/SERIENNR:137D02744/带插头 10
PT100/TFP104-000 904696/Seriennr:137D052151 10
BTL5-T110-M0250-B-S103 1
BTL5-T110-M0400-B-S103 1
UB2000-F42-I-V15 5
ME320L-4015-IFE 1
ARND-4044T 1
ARND-4186S 1
GS2107-WTBD 1
GPIF-4037B 1
IM-M739/5-40PC 1
型号规格：OMS200 151F0504 类型:液压马达,排量:OMS200 数量1
DFQRGQG40L-I 数量6
SXE9575-Z71-81K 数量10
CP96SB63-130C,替代CP95SB63-130 数量12
MNIH-2-1-MS 数量6
JMN1H-5/2-D-3-C 数量10
VIIPC PCE-6010 数量：2
KL1104 8
KL2424 9
KL9100 3
KL4004 3
9000-41084-0401000 数量：2
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