1746-OA161746-OA16
1746-OA16
（3）編程方便：PLC內(nèi)部雖然沒有什么實(shí)際的繼電器、時(shí)間繼電器、計(jì)數(shù)器，但它通過程序（軟件）與系統(tǒng)內(nèi)存，這些器件卻實(shí)實(shí)在在地存在著。其數(shù)量之多是繼電器控制系統(tǒng)難以想象的。即使是小型的PLC，內(nèi)部繼電器數(shù)都可以千計(jì)，時(shí)間繼電器、計(jì)數(shù)也以百計(jì)。而且，這些繼電器的接點(diǎn)可無限次地使用。PLC內(nèi)部邏輯器件之多，用戶用起來已不感到有什么限制。唯一考慮的只是入出點(diǎn)。而這個(gè)內(nèi)部入出點(diǎn)即使用得再多，也無關(guān)緊要。大型PLC的控制點(diǎn)數(shù)可達(dá)萬點(diǎn)以上，哪有那么大的現(xiàn)實(shí)系統(tǒng)？若實(shí)在不夠，還可聯(lián)網(wǎng)進(jìn)行控制，不受什么限制。PLC的指令系統(tǒng)也非常豐富，可毫不困難地實(shí)現(xiàn)種種開關(guān)量，以及模擬量的控制。PLC還有存儲(chǔ)數(shù)據(jù)的內(nèi)存區(qū)，可存儲(chǔ)控制過程的所有要保存的信息。
總之，由于PLC功能之強(qiáng)，發(fā)揮其在控制系統(tǒng)的作用，所受的限制已不是PLC本身，而是人們的想象力，或與其配套的其它硬件設(shè)施了。
備貨，備貨，降降降，火火火，火火火……
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公司名稱：廈門泰尼電氣有限公司
聯(lián)系人：小黃（銷售代表）
聯(lián)系電話：0592-6809319
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