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Emotron伊尔通软启动器维修MSF370/MSF450
2022-06-21 05:33:00 【A天道酬勤~天浦正达维修曹工】
Emotron软启动器维修系列有:MSF450;MSF370;MSF250;MSF110等系列。
可对故障按图索骥,避免无图纸瞎拆,避免错修、瞎修和拆卸,可对单块线路板进行在线检测与维修,也可对整机进行检测及内部机台设定与调整。公司仪器设备接有三相交流电源(国内三相380V,美日三相208V),变频电源,无油空压气源,标准化的维修平台、chroma电子负载,耐压测试仪、老化台车和各种自制应用于型号电源的测试平台。确保服务的品质満足客户的需求,竭诚为广大客户服务。维修好后可做整机的烤机测试,为客户提供更服务。

进口设备的温度故障,还要注意区分,这个报警是软件控制报警,还是硬件控制类报警。软件报警时,是软件根据输出推演算出来的,比如电流检测电路出问题了,那电流不平衡或输出电流过大的时候,会发生什么后果,答案当然是过温,于是会跳出过温报警故障。——这类故障报警是间接的,我们叫软件故障检出。
启动后模块温度报警,还是要拆解的,温控在驱动设备上,是很重要的一个指标,设备的温度采样,匹配到了每一个关键点,甚至深入到了轴承上面。电子电路的维修是,查找问题艰难,更换简单。机械设备的维修是:找到问题简单,更换困难。
这款控制器维修的难点在于:没有故障查看,维修时无法试机。客户说上电启动一下,红灯就一直亮,绿灯不亮。根据经验,绿灯上电时闪一下就挂了,算是正常,如果绿灯和红灯一直亮着且闪烁,那才麻烦——代表控制板有故障了。

Parker compax3的维修,首先区分故障是来自小信号处理部分,还是功率部分故障报警,很多设备的上位机会有所提示。处理部分包括i/o端口,各种通讯接口。功率部分主要检查4个点:(1)是母线电压;(2)是电流检测;(3)是温度检测;(4)是模块保护检测。
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