PCI-613330PCI-613330PCI-613330PCI-613330PCI-613330

平價(jià)的技術(shù)理念30

通過增加服務(wù)質(zhì)量機(jī)制，成熟的以太網(wǎng)通信標(biāo)準(zhǔn)得到進(jìn)一步優(yōu)化。得益于新的IEEE標(biāo)準(zhǔn)，以太網(wǎng)將能在預(yù)定義的長(zhǎng)時(shí)限內(nèi)，可靠地進(jìn)行多協(xié)議（包括實(shí)時(shí)協(xié)議）并行傳輸。工業(yè)用戶和汽車制造商已經(jīng)準(zhǔn)備好使用新標(biāo)準(zhǔn)。30

關(guān)于未來之窗30

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提高發(fā)電效率有許多好處。對(duì)于天然氣價(jià)格較高的國(guó)家，其益處是，提高發(fā)電效率能為發(fā)電公司大大節(jié)省成本。譬如，許多亞洲國(guó)家就是這種情況，它們依賴于油輪運(yùn)輸?shù)妮^為昂貴的液化天然氣（LNG）。Amin說：“我們的研究表明，相比于SGT-8000H系列，新的HL級(jí)燃?xì)廨啓C(jī)可將發(fā)電成本再降低5%。得益于此，在天然氣價(jià)格較高的國(guó)家，每年每臺(tái)燃?xì)廨啓C(jī)可以節(jié)省1500萬到2000萬美元成本。另外，新型燃?xì)廨啓C(jī)可以減少排放二氧化碳，因?yàn)閷?shí)現(xiàn)相同發(fā)電量所需燃料更少?！?0

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由于計(jì)算機(jī)集成芯片技術(shù)的發(fā)展，存儲(chǔ)器的價(jià)格已下降，因此，為保證應(yīng)用項(xiàng)目的正常投運(yùn)，一般要求PLC的存儲(chǔ)器容量，按256個(gè)I/O點(diǎn)至少選8K存儲(chǔ)器選擇。需要復(fù)雜控制功能時(shí)，應(yīng)選擇容量更大，檔次更高的存儲(chǔ)器。30