產品展示
【3TK2845-2EB42】3TK2845-2EB42西門子繼電器
【簡單介紹】
【詳細說明】
多電機交流控制系統的軟件設計
1 多電機交流控制系統的軟件流程 基于現場總線的多電機交流控制系統的軟件設計包括以下幾點, 1) PLC IM308接口模塊的初始化:在現場總線啟動前,必須先配置Profibus總線,并分配各個總線站的參數(總線上的傳輸速率、總線的標準(一般為DP-Standard)、設定故障模式(包括診斷設置和診斷地址等)。
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★:
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2) 讀取1#變頻器的狀態字和實際值:通過連接在變頻器端的ET200從站的I/O端子,通過對遠程I/O的操作,讀取變頻器的狀態字(數字量)和實際值(模擬量)。 3) 判斷變頻器是否處于故障,如故障則報警存檔,否則根據系統的要求輸出模擬量值到連接1#變頻器端ET200從站的I/O端子,包括控制字和設定值。 4) 重復2、3步驟,依次對2#、3#、4#……N#變頻器進行讀寫操作。 4.2 多電機交流控制系統的邏輯控制原理 邏輯控制是指變頻器與其它外部控制信號間實現對特定設備的開啟和運行進行邏輯互鎖。比如在紙廠對供料泵進行變頻控制時,改供料泵開啟的必要條件有:(1)閥門打開到位;(2)料罐液位正常;(3)供料泵密封水正常。如果此3條件缺少任何一個,將不能開啟該設備。而該供料泵持續運行的條件,除以上3個條件,尚需增加管路流量、壓力正常這一條件,否則將自動停止供料泵的運行。 邏輯控制的目的是為了保護人身安全、保證設備正常和穩定生產質量,因此在多電機交流控制中對其進行邏輯互鎖的保護是*的一步。 4.3 變頻器的閉環控制原理 通常情況下,變頻器以開環方式運行,但對于較高的生產要求時,尤其在多電機交流傳動控制中,變頻器必須在閉環控制下才能達成生產所需的目標。比如膠片機、冷軋機、造紙機等連續性生產線,閉環控制尤其重要。 在圖二中,變頻器是以閉環控制進行工作。其中電流內環轉矩控制直接由變頻器內部完成,未在本圖中注明。圖中描述的是速度控制閉環,從模擬輸入信號(按照各變頻器的說明書來決定是電流或電壓信號,并且需設置好相應的DIP開關和參數),通過zui高和zui低頻率的限定,即與從速度傳感器反饋回來經過濾的信號相比后,進入PID控制(PID的參數可在變頻器參數中整定),再通過斜率發生器(包括RAMP ON TIME / RAMP DOWN TIME)后,直接進入電流環控制電機的輸出。如此就構成了變頻器的閉環控制。
軟啟動器型號代表
3RK4320-3AQ54-0BA2
3RK4320-3AQ54-0BA3
3RK4320-3AQ54-1BA2
3RK4320-3AQ54-1BA3
3RK4320-3AR51-0BA0
3RK4320-3AR51-1BA0
3RK4320-3BQ54-0BA2
3RK4320-3BQ54-0BA3
3RK4320-3BQ54-1BA2
3RK4320-3BQ54-1BA3
3RK4320-3BR51-0BA0
3RK4320-3BR51-1BA0
3RK4320-3CQ54-0BA2
3RK4320-3CQ54-0BA3
3RK4320-3CQ54-1BA2
3RK4320-3CQ54-1BA3
3RK4320-3CR51-0BA0
3RK4320-3CR51-1BA0
3RK4320-3DQ54-0BA2
3RK4320-3DQ54-0BA3
3RK4320-3DQ54-1BA2
3RK4320-3DQ54-1BA3
3RK4320-3DR51-0BA0
3RK4320-3DR51-1BA0
3RK4320-3EQ54-0BA2
3RK4320-3EQ54-0BA3
3RK4320-3EQ54-1BA2
3RK4320-3EQ54-1BA3
3RK4320-3ER51-0BA0
3RK4320-3ER51-1BA0
3RK4320-3FQ54-0BA2
3RK4320-3FQ54-0BA3
3RK4320-3FQ54-1BA2
3RK4320-3FQ54-1BA3
3RK4320-3FR51-0BA0
3RK4320-3FR51-1BA0
3RK4320-3GQ54-0BA2
3RK4320-3GQ54-0BA3
3RK4320-3GQ54-1BA2
3RK4320-3GQ54-1BA3
3RK4320-3GR51-0BA0
3RK4320-3GR51-1BA0
3RK4320-3HQ54-0BA2
3RK4320-3HQ54-0BA3
3RK4320-3HQ54-1BA2
3RK4320-3HQ54-1BA3
3RK4320-3HR51-0BA0
3RK4320-3HR51-1BA0
3RK4320-3JQ54-0BA2
3RK4320-3JQ54-0BA3
3RK4320-3JQ54-1BA2
3RK4320-3JQ54-1BA3
3RK4320-3JR51-0BA0
3RK4320-3JR51-1BA0
3RK4320-3KQ54-0BA2
3RK4320-3KQ54-0BA3
3RK4320-3KQ54-1BA2
3RK4320-3KQ54-1BA3
3RK4320-3KR51-0BA0
3RK4320-3KR51-1BA0
3RK4320-3LQ54-0BA2
3RK4320-3LQ54-0BA3
3RK4320-3LQ54-1BA2
3RK4320-3LQ54-1BA3
3RK4320-3LR51-0BA0
3RK4320-3LR51-1BA0
3RK4320-3MQ54-0BA2
3RK4320-3MQ54-0BA3
3RK4320-3MQ54-1BA2
3RK4320-3MQ54-1BA3
3RK4320-3MR51-0BA0
3RK4320-3MR51-1BA0
3RK4320-3NQ54-0BA2
3RK4320-3NQ54-0BA3
3RK4320-3NQ54-1BA2
3RK4320-3NQ54-1BA3
3RK4320-3NR51-0BA0
3RK4320-3NR51-1BA0
3RK4320-3PQ54-0BA2
3RK4320-3PQ54-0BA3
3RK4320-3PQ54-1BA2
3RK4320-3PQ54-1BA3
3RK4320-3PR51-0BA0
3RK4320-3PR51-1BA0
3RK4320-5DQ64-0BA2
3RK4320-5DQ64-0BA3
3RK4320-5DQ64-1BA2
3RK4320-5DQ64-1BA3
3RK4320-5JQ64-0BA2
3RK4320-5JQ64-0BA3
3RK4320-5JQ64-1BA2
3RK4320-5JQ64-1BA3
3RK4320-5PQ64-0BA2
3RK4320-5PQ64-0BA3
3RK4320-5PQ64-1BA2
3RK4320-5PQ64-1BA3
3RK4322-3DR51-1BC0-ZX01
3RK4322-3DR54-1BC0-ZX01
3RK4322-3DR54-1BD0-ZD01
3RK4322-3DR54-1BD0-ZX01
3RK4322-3ER51-1BC0-ZX01
3RK4322-3ER54-1BC0-ZX01
3RK4322-3ER54-1BD0-ZD01
3RK4322-3FR51-1BC0-ZX01
3RK4322-3FR54-1BC0-ZX01
3RK4322-3FR54-1BD0-ZD01
3RK4322-3GR51-1BC0-ZX01
3RK4322-3GR54-1BC0-ZX01
3RK4322-3GR54-1BD0-ZD01
3RK4322-3HR51-1BC0-ZX01
3RK4322-3HR54-1BC0-ZX01
3RK4322-3HR54-1BD0-ZD01
3RK4322-3LR51-1BC0-ZX01
3RK4322-3LR54-1BC0-ZX01
3RK4322-3LR54-1BD0-ZD01
3RK4322-3PR51-1BC0-ZX01
3RK4322-3PR54-1BC0-ZX01
3RK4322-3PR54-1BD0-ZD01
3RK4322-4JQ67-0BB3
3RK4322-4JQ67-1BB3
3RK4322-4PQ67-0BB3
3RK4322-4PQ67-1BB3
3RK4322-5DQ51-0BM0-ZP01
3RK4322-5JQ51-0BM0-ZP01
3RK4322-5JQ51-1BM0-ZP01
3RK4322-5PQ51-0BM0-ZP01
3RK4322-5PQ51-1BM0-ZP01
3RK4324-3AR51-0BC0
3RK4324-3AR51-1BC0
3RK4324-3AR54-0BC0
3RK4324-3AR54-1BC0
3RK4324-3BR51-0BC0
3RK4324-3BR51-1BC0
3RK4324-3BR54-0BC0
3RK4324-3BR54-1BC0
3RK4324-3CR51-0BC0
3RK4324-3CR51-1BC0
3RK4324-3CR54-0BC0
3RK4324-3CR54-1BC0
3RK4324-3DR51-0BC0
3RK4324-3DR51-1BC0
3RK4324-3DR54-0BC0
3RK4324-3DR54-1BC0
3RK4324-3ER51-0BC0
3RK4324-3ER51-1BC0
3RK4324-3ER54-0BC0
3RK4324-3ER54-1BC0
3RK4324-3FR51-0BC0
3RK4324-3FR51-1BC0
3RK4324-3FR54-0BC0
3RK4324-3FR54-1BC0
3RK4324-3GR51-0BC0
3RK4324-3GR51-1BC0
3RK4324-3GR54-0BC0
3RK4324-3GR54-1BC0
3RK4324-3HR51-0BC0
3RK4324-3HR51-1BC0
3RK4324-3HR54-0BC0
3RK4324-3HR54-1BC0
3RK4324-3JR51-0BC0
3RK4324-3JR51-1BC0
3RK4324-3JR54-0BC0
3RK4324-3JR54-1BC0
3RK4324-3KR51-0BC0
3RK4324-3KR51-1BC0
3RK4324-3KR54-0BC0
3RK4324-3KR54-1BC0
3RK4324-3LR51-0BC0
3RK4324-3LR51-1BC0
3RK4324-3LR54-0BC0
3RK4324-3LR54-1BC0
3RK4324-3MR51-0BC0
3RK4324-3MR51-1BC0
3RK4324-3MR54-0BC0
3RK4324-3MR54-1BC0
3RK4324-3NR51-0BC0
3RK4324-3NR51-1BC0
3RK4324-3NR54-0BC0
3RK4324-3NR54-1BC0
3RK4324-3PR51-0BC0
3RK4324-3PR51-1BC0
3RK4324-3PR54-0BC0
3RK4324-3PR54-1BC0
3RK4340-3AR51-0BA0
3RK4340-3AR51-1BA0
3RK4340-3BR51-0BA0
3RK4340-3BR51-1BA0
3RK4340-3CR51-0BA0
3RK4340-3CR51-1BA0
3RK4340-3DR51-0BA0
3RK4340-3DR51-1BA0
3RK4340-3ER51-0BA0
3RK4340-3ER51-1BA0
3RK4340-3FR51-0BA0
3RK4340-3FR51-1BA0
3RK4340-3GR51-0BA0
3RK4340-3GR51-1BA0
3RK4340-3HR51-0BA0
3RK4340-3HR51-1BA0
3RK4340-3JR51-0BA0
3RK4340-3JR51-1BA0
3RK4340-3KR51-0BA0
3RK4340-3KR51-1BA0
3RK4340-3LR51-0BA0
3RK4340-3LR51-1BA0
3RK4340-3MR51-0BA0
3RK4340-3MR51-1BA0
3RK4340-3NR51-0BA0
3RK4340-3NR51-1BA0
3RK4340-3PR51-0BA0
3RK4340-3PR51-1BA0
3RK4353-3CR58-0BA0
3RK4353-3CR58-1BA0
3RK4353-3DR58-0BA0
3RK4353-3DR58-1BA0
3RK4353-3ER58-0BA0
3RK4353-3ER58-1BA0
3RK4353-3FR58-0BA0
3RK4353-3FR58-1BA0
3RK4353-3HR58-0BA0
3RK4353-3HR58-1BA0
3RK4353-3JR58-0BA0
3RK4353-3JR58-1BA0
3RK4353-3LR58-0BA0
3RK4353-3LR58-1BA0
3RK4353-3MR58-0BA0
3RK4353-3MR58-1BA0
3RK4353-3NR58-0BA0
3RK4353-3NR58-1BA0
3RK4353-3PR58-0BA0
3RK4353-3PR58-1BA0
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