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3BSE012545R1
- 更新时间:2025-01-27
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小青 女士(经理)
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3BSE012545R1
3BSE012545R1
3BSE012545R1
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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REF542plus 1
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6DD2920-0XB02 1
无源隔离器RM22DD0.2%FS4-20mA/4-20mA 10
INPUT TERMINAL;AL09SB-08F-4Y283 1
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输出端IN/OUTPUT TERMINAL;AL09XB-16F-4Y283 1
IN/OUTPUT TERMINAL;AL09XB-08F-4Y283 1
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3HAC044075-001数量6,
C25GNY9 订货号003248 2个
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VFD450B43A 1
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通讯板3BSE005676R1 数量 1 块
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6SE7016-1TA71-Z D99+F01 1个
AB 变频器配件 22C-CCC 5个 面价143.84
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触摸屏PANEL VIEW 1000 2711P-RDK10C 1
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509-E0D
6DL3100-8AC 1个
W41 2
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CAMM58D10-BF6XXR-4096/8192 1
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6SE7031-7HG84-1JA1 数量1
GE UR-9NH(10/100,BASE -T(RJ45) 数量1
6DD1688-0AE2 1
变频器IGCT模块ABB 3BHB018104R0001
中压变频装置冷却系统ABB 2UBA001855R0501
替代型号ABB 3BHB027324R2010
6SL3210-1RE24-5UL0 6
6SL3210-1PE24-5UL0
NSK CONTROLLER + MOTOR驱动和电机
Controller: M-ESA-Y3060A23 – 1个
Motor: M-YS-3060FN501 – 1个
465711A16I/160/16I0数量1
IC200UEX626 ,1个
AI523 1SPA250300R0001 , 2个 ABB
LKD14-M-1 2个
MSM3AZP1A 1个
MSD1A321EA 1个
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CI546VIP - 3BSE012545R1
DANOTHERM F2 R7641/233402数量1
PLT?1531SR-B1 数量1个
CIRCUIT BREAKER型号:HFD3050L 额定电压AC600V 额定电流50A 极数3
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CIRCUIT BREAKER型号:HFD3125L 额定电压AC600V 额定电流125A 极数3
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Siemens Sinumerik 6FM2805-1WL00 + Netzteil+ 3x Karten
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Siemens Sinumerik 6FX1138-4BA01
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Siemens Sinumerik Regeungseinschub 6SN1122-0BA12-0AA0
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Siemens Sinumerik 6FX1125-7BA01 unbenutzt Neu
Siemens Sinumerik Bedieneinheit 6FC5203-0AD24-0AA0 Neu
Siemens Sinumerik Sirotec Master CPU 6FX1110-7AB01
Siemens Sinumerik Sirotec 6FX1111-0AG02 Kuka CNC
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Siemens Sinumerik CPU 6FX1117-8AA01
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Siemens Sinumerik Stromversorgung 6FC5114-0AA01-0AA0
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