基本裝置:
連接模塊的基本功能是將信號從現(xiàn)場送入模塊,或者從模塊送入現(xiàn)場,使用方便、快捷。適用于傳輸數(shù)字或模擬信號。
信號模板:
數(shù)字基本模塊可選配LED,用以指示工作態(tài)高電平,從而為調(diào)試工作帶來方便,始終監(jiān)控I/O的信號狀態(tài)。其中一個LED作為電源指示燈。
功能模板:
配備繼電器或光電耦合器的數(shù)字連接模塊。
如果現(xiàn)場需要使用其他電壓或功率,可使用 TPRo 或 TPOo 連接模塊提供輸出信號。TPRo 連接模塊實施時須使用繼電器。TPOo 連接模塊實施時須使用光電耦合器。該模塊能夠?qū)?4 V DC輸出信號轉(zhuǎn)為其他電壓或功率大小,使用簡單,工作可靠。如果需要將230 V AC輸入信號送到現(xiàn)場的控制器上,可使用配備TPRi繼電器的連接模塊,從而將230 V AC信號轉(zhuǎn)為24 V DC信號,即模塊側(cè)始終保持同一電壓水平。
與 TPRo 繼電器模塊的光電耦合器組合使用
如果輸出信號要求繼電器連接模塊具有較高的開關(guān)頻率,可改用光電耦合器(請注意技術(shù)數(shù)據(jù))代替繼電器以提高開關(guān)頻率。
屏蔽條
該屏蔽條安裝于3芯啟動元件的連接模塊上或安裝于模擬信號的連接模塊上(單獨選配),然后與連接模塊一起卡到安裝軌道上。通過端子元件,可實現(xiàn)屏蔽圓護(hù)套帶狀電纜或屏蔽現(xiàn)場電纜與接地安裝軌道之間的屏蔽連接。
全模塊化連接設(shè)計(以16通道為例)
功能
如果使用全模塊化系統(tǒng),根據(jù)具體需求,信號模塊和傳感器/執(zhí)行器之間的距離可達(dá)30 m。 連接模塊可通過連接電纜連接, I/O與現(xiàn)場連接模塊連接。 該連接模塊能夠滿足各種性能需要,
送入信號作用于連接模塊或前連接器模塊。
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