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HIMA F3330
HIMA F3330
HIMA F3330
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◆.AB1746\\1747\\1771\\1785\\触摸屏系列!
◆.施耐德140,AS等系列PLC\\CPU\\触摸屏 !
◆.低价西门子S5,S7-300,S7-400 触摸屏 !
◆.特价老型号西门子6SN\\6FX\\3TK\\6GK\\6AV\\6FC\\6FM!
◆.西门子6SE70交流变频, 6RA23/24/28变频器配件!
◆.特价ABB变频配件,贝加莱,力士乐!
◆.机器人备件!
(1) 上电后面板显示[F231]或[F002](MM3变频器),这种故障一般有两种可能。常见的是由于电源驱动板有问题,也有少部分是因为主控板造成的,可以先换一块主控板试一试,否则问题肯定在电源驱动板部分了。
(2) 上电后面板无显示(MM4变频器),面板下的指示灯[绿灯不亮,黄灯快闪],这种现象说明整流和开关电源工作基本正常,问题出在开关电源的某一路不正常(整流二极管击穿或开路,可以用万用表测量开关电源的几路整流二极管,很容易发现问题。换一个相应的整流二极管问题就解决了。这种问题一般是二极管的耐压偏低,电源脉动冲击造成的。
(3) 有时显示[F0022,F0001,A0501]不定(MM4),敲击机壳或动一动面板和主板时而能正常,一般属于接插件的问题,检查一下各部位接插件。也发现有个别机器是因为线路板上的阻容元件质量问题或焊接不良所致。
(4) 上电后显示[-----](MM4),一般是主控板问题。多数情况下换一块主控板问题就解决了,一般是因为外围控制线路有强电干扰造成主控板某些元件(如帖片电容、电阻等)损坏所至,我分析与主控板散热不好也有一定的关系。但也有个别问题出在电源板上。 例如:重庆某水泥厂回转窑驱动用的一台MM440-200kW变频器,由于负载惯量较大,启动转距大,设备启动时频率只能上升到5Hz左右就再也上不去,并且报警[F0001]。
PERCEPTRON DIGITAL 3 TRICAM 917-4008 LASER DIGITAL SURFACE SENSOR
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KRAUS & NAIMER C80 C TC22PA3
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Schmersal AZ 16-02zvrk Door Safety Interlock With Key
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Schmersal AZ 16-02zvrk Door Safety Interlock With Key
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NEW VEGA D-77761 SCHILTACH FX67H.-09 4-20mA HART RADAR LEVEL MEASUREMENT REV3.60
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NEW RANCO B-14537-220 HVAC SWITCH ASSEMBLY B14537220
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