| 詳細(xì)參數(shù) | |||
|---|---|---|---|
| 品牌 | GE | 型號(hào) | IC200ALG620CA |
| 結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 其他 |
| LD指令處理器 | 硬PLC | I/O點(diǎn)數(shù) | 8 |
| 功能 | 控制系統(tǒng) | 工作電壓 | 24-250V |
| 輸出頻率 | 50-260HZz | 處理速度 | 25.66s |
| 程序容量 | 38KB | 數(shù)據(jù)容量 | 42KB |
| 產(chǎn)品認(rèn)證 | 合格 | 環(huán)境溫度 | 0.65% |
| 環(huán)境濕度 | 5-60℃ | 加工定制 | 否 |
| 重量 | 2-10kg | 產(chǎn)地 | 美國(guó) |
| 外形尺寸 | 178mm-235mm | ||
IC200ALG620CA 觸摸屏
維修技巧之
維修經(jīng)驗(yàn)總結(jié)
一.帶程序的芯片
1.EPROM芯片一般不宜損壞.因這種芯片需要紫外光才能擦除掉程序,
故在測(cè)試中不會(huì)損壞程序.但有資料介紹:因制作芯片的材料所致,隨著
時(shí)間的推移(年頭長(zhǎng)了),即便不用也有可能損壞(主要指程序).所以要
盡可能給以備份.
2.EEPROM,SPROM等以及帶電池的RAM芯片,均極易破壞程序.這類芯片
是否在使用<測(cè)試儀>進(jìn)行VI曲線掃描后,是否就破壞了程序,還未有定
論.盡管如此,同仁們?cè)谟龅竭@種情況時(shí),還是小心為妙.筆者曾經(jīng)做過(guò)
多次試驗(yàn),可能大的原因是:檢修工具(如測(cè)試儀,電烙鐵等)的外殼漏電
所致.
3.對(duì)于電路板上帶有電池的芯片不要輕易將其從板上拆下來(lái).
二.復(fù)位電路
1.待修電路板上有大規(guī)模集成電路時(shí),應(yīng)注意復(fù)位問(wèn)題.
2.在測(cè)試前裝回設(shè)備上,反復(fù)開(kāi),關(guān)機(jī)器試一試.以及多按幾次復(fù)
位鍵.
IC200ALG620CA 觸摸屏
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| IC200EBI001 |
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| IC200ACC302 |
| IC200PWR002LT |
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| IC200GBI001 |
