西門子原裝電纜代理商,西門子DP通訊總線
上海湘昌電氣設(shè)備有限公司(西門子代理)
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地址( Add ):上海市金山區(qū)楓涇鎮(zhèn)涇商路99弄1138號
郵政編碼:201605
字數(shù)有限,詢價。
西門子電纜,西門子DP電纜,西門子PROFIBUS通訊電纜
6XV1830-0EH10 SIMATIC NET, PROFIBUS 快速標準電纜 GP, 2 芯, 屏蔽, 為快速安裝而特殊設(shè)計,zui大長度: 1000m, zui小訂購數(shù)量: 20m, 按米銷售
6XV1830-0EN20 SIMATIC NET, PROFIBUS 標準總線電纜, 2 芯, 屏蔽, 為快速安裝而特殊設(shè)計, 20 m
6XV1830-0EN50 SIMATIC NET, PROFIBUS 標準總線電纜, 2 芯, 屏蔽, 為快速安裝而特殊設(shè)計, 50 m
6XV1830-0ET10 SIMATIC NET, PROFIBUS 標準總線電纜, 2 芯, 屏蔽, 為快速安裝而特殊設(shè)計, 100m
6XV1830-3EH10 SIMATIC NET, PROFIBUS FC 拖纜, PROFIBUS 拖纜, zui大加速度:4 m/s2, 至少 3 百萬次 彎曲次數(shù),彎曲半徑: 約 120mm,雙芯屏蔽線,按米銷售,zui大長度: 1000m, zui小訂購量: 20 m
為了構(gòu)建 PROFIBUS DP 網(wǎng)絡(luò),提供有不同類型的電纜,可滿足不同類型應(yīng)用的要求。一般地,應(yīng)該使用所列出的電纜。有關(guān)網(wǎng)絡(luò)組態(tài)的詳細信息,請參見 PROFIBUS 網(wǎng)絡(luò)手冊。
UL 認證
用于網(wǎng)絡(luò)電纜的 UL 列表(安全標準)對于美國和加拿大市場尤為必需。根據(jù)電纜敷設(shè)在建筑物中位置來決定適當?shù)恼J證要求。這適用所有電纜,這些電纜從一個機器敷設(shè)到一遠程控制柜,位于電纜架上并保護著建筑物。通過 UL 認證的電纜在其名稱后面附加字母“GP”(通用)。
Ex認證
由于 PROFIBUS-DP/-PA, 可將現(xiàn)場設(shè)備如分布式 I/O 或驅(qū)動器連接到 PLC 如 SIMATIC S7 或 PC 上。
當 I/O 設(shè)備分布在很大范圍內(nèi),裝在機器上或設(shè)備內(nèi)(如在現(xiàn)場級),以及它們在站內(nèi)(如ET200)至少以 16 點 I/O 成組組合時,采用 PROFIBUS DP/PA。
執(zhí)行器和傳感器與現(xiàn)場設(shè)備相連。按主/從模式向現(xiàn)場設(shè)備提供輸出數(shù)據(jù),并向 PLC 或工控機饋送輸入數(shù)據(jù)。
高性能的 STEP 7 工具用于分布式 I/O 設(shè)備的配置和參數(shù)化.這些工具可用于 PROFIBUS-DP 任意連接點的測試和啟動。
PROFIBUS-DP從站
DP設(shè)備類型
PROFIBUS DP 在兩個不同的主站類型和各種 DP 功能之間會有不同:
DP 主站類型 1
DP主站類型1是PROFIBUS DP應(yīng)用的核心部件。在一個固定的、重復(fù)的報文周期內(nèi),*控制器或工控機與分布式從站(DP從站)交換信息。
DP 主站類型 2
這種類型的設(shè)備(如編程器,組態(tài)設(shè)備或操作設(shè)備)用于DP系統(tǒng)的調(diào)試、組態(tài)或用于正常運行過程(如診斷)中的系統(tǒng)操作。一個類型2 DP主站可以讀取(例如)由設(shè)備來的輸入、輸出、診斷和組態(tài)數(shù)據(jù)。
DP 從站
一個 DP 從站為一個 I/O 設(shè)備,可讀取輸入數(shù)據(jù)并向 I/O 轉(zhuǎn)發(fā)輸出數(shù)據(jù)。輸入和輸出數(shù)據(jù)容量取決于設(shè)備類型,zui大可達 244 字節(jié)。
Class 1 和 2 DP主站以及 DP 從站的功能范圍有很大程度的不同。這決定了通訊處理器的性能和可用性。
DP-V0
DP 主站功能(DP-V0)包括組態(tài)、參數(shù)設(shè)置、讀取輸入數(shù)據(jù)和寫輸出數(shù)據(jù)以及讀取診斷數(shù)據(jù)。
DP-V1
通過其它 DP 功能擴展(DP-V 1),可以執(zhí)行非同步讀和寫功能以及在處理循環(huán)數(shù)據(jù)通訊的同時進行報警響應(yīng)。擴展 DP 功能也包括從站參數(shù)與測試值的非循環(huán)訪問(例如處理自動化和智能 HMI 裝置的現(xiàn)場設(shè)備)。該類從站在起動和正常運行期間裝有擴展的參數(shù)數(shù)據(jù)。于周期性測量值相比,非周期性傳送的數(shù)據(jù)(如參數(shù)化數(shù)據(jù))很少發(fā)生變化, 并且以較低的優(yōu)先級與快速周期性實用數(shù)據(jù)并行傳送。主站中的中斷確認,保證了從 DP 從站來的中斷的可靠傳輸。
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