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waitfor
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樓主  發(fā)表于: 2016-08-01 19:32
FX3U是不是也有高仿的。在哪能買(mǎi)到正品。最近發(fā)現供應商送的PLC可能是高仿的,出現過(guò)幾次問(wèn)題,第一,端子連接問(wèn)題,新機,機器運行中突然某兩個(gè)點(diǎn)不亮了,各種找外部線(xiàn)路問(wèn)題,懷疑線(xiàn)松動(dòng)引起,最后無(wú)意用螺絲刀頂位端子排時(shí)找到問(wèn)題,原來(lái)端子排接觸不好,兩端固定螺絲怎么鎖都 不行,用手按住就行,問(wèn)題2,內部掉電保存的某一個(gè)寄存器不能保存數據,上電數據為無(wú)窮大,其它數據沒(méi)有問(wèn)題,機器有兩個(gè)月左右沒(méi)通電,
ymmfa
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1樓  發(fā)表于: 2016-08-01 20:24
FX3U鑒別方法.pdf (176 K) 下载次数:71
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