廈門宇創自動化設備有限公司位于經濟特區福建省廈門市,是一家集生產加工、經銷批發為一體、經國家相關部門批準注冊的企業。以誠信經營和薄利多銷的原則,贏得了廣大客戶的信任,熱誠歡迎各界朋友前來參觀、考察、洽談業務。 
模塊:DCS系統所有I/O模塊都帶有CPU,可以實現對采集及輸出信號品質判斷與標量變換,故障帶電插拔,隨機更換。而PLC模塊只是簡單電氣轉換單元,沒有智能芯片,故障后相應單元全部癱瘓。 
我們不得不從PLC和DCS的起源談起:PLC的發展基于制造業的現場控制需求,DCS大發展基于化工行業的連續過程控制和監控。從控制需求分類看,控制系統可分成:順序控制(PLC的基本功能)、過程控制(DCS)、位置控制(CNC)、傳動控制(調速或同步),但從發展的角度來看,這幾部分控制方式在漸漸融合。如果非要說出不同來,我認為有如下幾點: 
1、面向對象不同:PLC面向一般工控制領域,通用性強。DCS偏重過程控制,用于化工行業。 
2、DCS強調連續過程控制的精度,可實現PID、前饋、串級、多級、模糊、自適應等復雜控制,一般PLC僅具有PID功能,控制精度不如DCS高。
3、DCS系統具有功能強大的SCAND軟件包,具有配方功能,并針對不同行開發了專家軟件(化工工藝參數配置和控制算法),比PLC應用方便。聯系人:蘇寶珠電話:18050108292 
聯系人:小蘇
電話:0592-6083552
手機:18050108292
傳真:0592-6535181
QQ:3070246084
E-mail:3070246084@qq
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