触摸屏画面由ProTool等软件进行设计,然后先通过编程电脑调试,合格后再到触摸屏。
触摸屏画面总数应在其存储空间允许的范围内,各画面之间尽量做到可相互及强制切换。
(1)主画面的设计一般的,可用欢迎画面或被控系统的主系统画面作为主画面该画面可进入到各分画面。
各分画面均能一步返回主画面。
若是将被控主系统画面作为主画面,则应在画面中显示被控系统的一些住要参数,以便在此画面上对整个被控系统有大致的了结。
电机软启动器的常见故障
1、电动机起不来
电动机起不来的原因大致分两种情况:一是六只可控硅的其中一只触发不可靠或是不导通,此时一相电路通过的是半波直流,电动机的两相绕组通过的直流对电动机起到了制动作用,不仅电机起不来,严重的还会烧毁电机和可控硅。
二是启动参数或启动曲线不合适造成电机起不来,这是常见故障。
前者使用过程当中会发生但几率低于接触器故障率。
后者多发生在次投运调试,调试好以后就不会出现。
多数的厂家不会出现此现象,启动程序性能好,出厂值设定的适用性强。
只有很少厂家的产品需要厂家自己去调试。
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详细介绍
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来源分类:行业市场 › 电子器件 · 传感器
来源地区:厦门 › 海沧 › 沧林路
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