6ES7197-1lB00-0XA0

模塊的診斷和過程監(jiān)視

SIMATIC S7-300的大量輸入/輸出模塊都具有智能功能：

• 信號采用的監(jiān)控（診斷）。
• 監(jiān)控來自過程的信號（硬件中斷）。

診斷

診斷功能可以用來判斷模塊的信號采集（針對數(shù)字量模塊）或者模擬量處理（針對模擬模塊）是否工作于無故障狀態(tài)。在診斷分析中，必須區(qū)分可參數(shù)化和非參數(shù)化診斷消息：

• 可參數(shù)賦值的診斷報文：
  僅由合適的設(shè)定參數(shù)啟用之后才會發(fā)出診斷消息。
• 不可參數(shù)賦值的診斷報文：
  這些消息的發(fā)出是一個常規(guī)事件，即該過程與參數(shù)化無關(guān)。

如果某個診斷消息處于激活狀態(tài)（例如“無傳感器輸入”），則模塊會發(fā)起一個診斷中斷（若已經(jīng)為該診斷消息設(shè)置了參數(shù)，則僅在相應(yīng)的參數(shù)化過程之后才會產(chǎn)生中斷）。CPU會中斷用戶程序或較低優(yōu)先級任務(wù)的執(zhí)行，并接下來執(zhí)行相關(guān)的診斷中斷塊（OB 82）。

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Fairchild / Ashcroft 30222 Model 30 Pressure Regulator 250 PSIG Max 0-10 Rang
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承諾一：1、保證全新原裝進口

承諾二：2、保證安全準(zhǔn)時發(fā)貨

承諾三：3、保證售后服務(wù)質(zhì)量

流程一：1、客戶確認(rèn)所需采購產(chǎn)品型號

流程二：2、我方會根據(jù)詢價單型號查詢價格以及交貨期，擬一份詳細正規(guī)報價單

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流程四：4、報價單負(fù)責(zé)人根據(jù)客戶提供型號以及數(shù)量擬份銷售合同

流程五：5、客戶收到合同查閱同意后蓋章回傳并按照合同銷售額匯款到公司開戶行

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