【正文】 用戶請求的數(shù)據(jù) . All rights reserved, OSI Software, Inc. 169。 2022 29 PI 系統(tǒng)服務(wù) ? PI 接口 ? PIRamp Soak Simulator ? PIRandom Simulator ? PIRecalculator Subsystem ? PIPerformance Monitor ? PIPing Data Measurement Program ? PISNMP Interface ? PIBatch Generator All rights reserved, OSI Software, Inc. 169。 2022 33 PI SQL子系統(tǒng) (Chap. 8) ? 可以將 PI 系統(tǒng)看作 ODBC或 OLEDB 的數(shù)據(jù)源 . 以下的表可以用 ODBC來察看數(shù)據(jù) : pipoint, piavg, pimin, pimax, pitot, pip, pimean, pistd, pirange, pialias, pibatch, pibaunit. ? 并且 , 你可以用 PIOLEDB來察看修改以下的表 : PIUser, PIGroup and PIDS. ? 為了查詢數(shù)據(jù)庫你必須安裝 PIODBC 客戶端 (OSIsoft Windows ODBC driver) 或 PIOLEDB客戶端 ? 所有的表都是可讀的 . Piarchive允許插入數(shù)值 . 對于 PIUser, PIGroup, PIDS及 Pipoint 表可以用 PIOLEDB 客戶端修改 . 例如 : select tag,value,time from pip where tag=??。 2022 36 All rights reserved, OSI Software, Inc. 169。 All rights reserved, OSI Software, Inc. 169。 2022 44 PI 模塊數(shù)據(jù)庫 ? Configurable structure ? Plant and Equipment hierarchy ? Products and Alias representation ? Tag grouping by control loops ? Stores many types of properties (Metadata) ? Simplifies tag access and research using Aliases ? Keeps a history of all changes ? Revisions and effective date ? PI Modules are reusable (copy/paste) ? PI Tools that Use the MDB: PIBatchDatabase, PIRTSQC, PIACE, Process Template, PI ICU. All rights reserved, OSI Software, Inc. 169。 2022 48 PI 客戶端工具 ? PIProcessBook: A software that lets users build and visualise process mimics, values and trends All rights reserved, OSI Software, Inc. 169。 2022 52 通用對話框窗口 Changes here are stored in \\pipc\dat\. All rights reserved, OSI Software, Inc. 169。 2022 56 新的 PI SDK 對話框 ? The newer clients such as PI PointBuilder use different dialogs. ? Eventually all PI Clients will use the PI SDK dialogs All rights reserved, OSI Software, Inc. 169。 2022 60 PI ProcessBook, PI Datalink ? A brief review of PI ProcessBook and PI Datalink All rights reserved, OSI Software, Inc. 169。 2022 64 測點名 ? Tags are subject to the following constraints: ? The first character must be a letter or a number ? No control characters are allowed (such as linefeeds or tabs) ? The following characters are not allowed: ? * ? ? 。 2022 67 零點 , 量程和典型值 Back 5 0050100150Zero = 50 Span = 100 5 0050100150Zero = 0 Span = 100 5 0050100150Zero = 50 Span = 100 All rights reserved, OSI Software, Inc. 169。 2022 71 PI 測點屬性 (General 3 of 3) Tag Security ? PtOwner and PtGroup: PtAccess (example: o:rw g:r w:r) ? DataOwner and DataGroup: DataAccess (example: o:rw g:rw w:r) These attributes control PI client tool access User is not case sensitive but case preserving Password is case sensitive To set a password, use PISETPASS utility or PIConfig This is discussed in more detail below during the security discussion. All rights reserved, OSI Software, Inc. 169。 2022 PIConfig 工具 (Chap. 12) PIConfig is a powerfull utility for maintaining and configuring the PI System databases All rights reserved, OSI Software, Inc. 169。 Changes PIConfig delimiter ? c amp。 input 187。 output 187。 2022 81 應(yīng)用 PIConfig (5 步列出測點 ) 1. 選擇表 (如 : tabl pipoint,classic) 2. 選擇方式 (如 : mode list) 3. 選擇測點 (如 : sele tag=si*) 4. 初始化輸出格式 (如 : ostr tag,zero,span) 5. 執(zhí)行命令 (如 : endsection ) All rights reserved, OSI Software, Inc. 169。 2022 85 應(yīng)用 PI Config (5 步創(chuàng)建測點 ) 1. 選擇表 (ex: tabl pipoint,classic) 2. 選擇方式 (ex: mode create) 3. 初始化輸入格式 (ex: istr,tag,zero,span) 4. 輸入數(shù)據(jù)行 (ex: ,0,1000) 5. 執(zhí)行命令 (ex: endsection ) All rights reserved, OSI Software, Inc. 169。 2022 89 應(yīng)用 PIConfig (4 步編輯測點 ) 1. 選擇表 (ex: tabl pipoint,classic) 2. 選擇方式 (ex: mode edit) 3. 修改屬性 (ex: sele tag=) (ex: modify zero=100) OR (ex: istr tag,zero) (ex: , 100) 4. 執(zhí)行命令 (ex: endsection ) All rights reserved, OSI Software, Inc. 169。 2022 練習(xí) 5 對所選測點編輯特定的屬性 All rights reserved, OSI Software, Inc. 169。descriptor。 2022 練習(xí) 7 Input a Series of Commands (optional) All rights reserved, OSI Software, Inc. 169。 2022 練習(xí) 9 Add a New Digital State Set and Change the Capitalization of a State All rights reserved, OSI Software, Inc. 169。 2022 練習(xí) 11 列出所選測點的快照值 All rights reserved, OSI Software, Inc. 169。 2022 103 用 PI Config訪問 pi數(shù)據(jù) Why? ? Using PI Config on the PI Server helps to troubleshoot where a problem es from. ? PI Config allows to ? Read time and values ? Change values ? Delete values All rights reserved, OSI Software, Inc. 169。 2022 99 應(yīng)用省略號通配符 (…) ? Use the Ellipsis construct when you don?t know the number of data elements to enter or extract from the PI System Example: ? ostr set,state,… ? set01,0,1 ? setctr,man,auto,cascade,remote All rights reserved, OSI Software, Inc. 169。 2022 95 Example of a Space Delimited File *000000001111111111222222222233333333334444444444 *234567890123456789012345678901234567890123456789 Test tag 0, DCS data 0 20 10 GPM Test tag 1, DCS data 20 20 30 GPM All rights reserved, OSI Software, Inc. 169。 (This changes the delimiter to 。 2022 91 算術(shù)修改 ? Attribute +=value ? Attribute =value ? Attribute *=value ? Attribute /=value Example: tabl pipoint sele tag=* modify exdev /=2, pdev /=2 ends All rights reserved, OSI Software, Inc. 169。 2022 87 用 PIConfig (4 步 刪除測點 ) 1. 選擇表 (ex: tabl pipoint,classic) 2. 選擇方式 (ex: mode delete) 3. 選擇測點 (ex: sele tag=sinusoid) OR (ex: istr tag input ) 4. 執(zhí)行命令 (ex: endsection ) All rights reserved, OSI Software, Inc. 169。 2022 83 PIConfig – 輸入和輸出格式 ? 輸入格式 ? istructure (或 istr) ? 例如 : istr tag,descriptor,zero,span