產(chǎn)品展示
【3TK2845-2EB42】3TK2845-2EB42西門子繼電器
【簡(jiǎn)單介紹】
【詳細(xì)說(shuō)明】
多電機(jī)交流控制系統(tǒng)的軟件設(shè)計(jì)
1 多電機(jī)交流控制系統(tǒng)的軟件流程 基于現(xiàn)場(chǎng)總線的多電機(jī)交流控制系統(tǒng)的軟件設(shè)計(jì)包括以下幾點(diǎn), 1) PLC IM308接口模塊的初始化:在現(xiàn)場(chǎng)總線啟動(dòng)前,必須先配置Profibus總線,并分配各個(gè)總線站的參數(shù)(總線上的傳輸速率、總線的標(biāo)準(zhǔn)(一般為DP-Standard)、設(shè)定故障模式(包括診斷設(shè)置和診斷地址等)。
★【歡迎在線咨詢】
★:林麗聰 (銷售工程師)
★:
★ (請(qǐng)備注“林麗聰”收)以便我及時(shí)您!
★
★ : 2283170971
★:2283170971
★地址:廈門市湖里區(qū)嘉禾路388號(hào)永同昌大廈21A室
2) 讀取1#變頻器的狀態(tài)字和實(shí)際值:通過(guò)連接在變頻器端的ET200從站的I/O端子,通過(guò)對(duì)遠(yuǎn)程I/O的操作,讀取變頻器的狀態(tài)字(數(shù)字量)和實(shí)際值(模擬量)。 3) 判斷變頻器是否處于故障,如故障則報(bào)警存檔,否則根據(jù)系統(tǒng)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(shè)定值。 4) 重復(fù)2、3步驟,依次對(duì)2#、3#、4#……N#變頻器進(jìn)行讀寫操作。 4.2 多電機(jī)交流控制系統(tǒng)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(hào)間實(shí)現(xiàn)對(duì)特定設(shè)備的開啟和運(yùn)行進(jìn)行邏輯互鎖。比如在紙廠對(duì)供料泵進(jìn)行變頻控制時(shí),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(gè),將不能開啟該設(shè)備。而該供料泵持續(xù)運(yùn)行的條件,除以上3個(gè)條件,尚需增加管路流量、壓力正常這一條件,否則將自動(dòng)停止供料泵的運(yùn)行。 邏輯控制的目的是為了保護(hù)人身安全、保證設(shè)備正常和穩(wěn)定生產(chǎn)質(zhì)量,因此在多電機(jī)交流控制中對(duì)其進(jìn)行邏輯互鎖的保護(hù)是*的一步。 4.3 變頻器的閉環(huán)控制原理 通常情況下,變頻器以開環(huán)方式運(yùn)行,但對(duì)于較高的生產(chǎn)要求時(shí),尤其在多電機(jī)交流傳動(dòng)控制中,變頻器必須在閉環(huán)控制下才能達(dá)成生產(chǎn)所需的目標(biāo)。比如膠片機(jī)、冷軋機(jī)、造紙機(jī)等連續(xù)性生產(chǎn)線,閉環(huán)控制尤其重要。 在圖二中,變頻器是以閉環(huán)控制進(jìn)行工作。其中電流內(nèi)環(huán)轉(zhuǎn)矩控制直接由變頻器內(nèi)部完成,未在本圖中注明。圖中描述的是速度控制閉環(huán),從模擬輸入信號(hào)(按照各變頻器的說(shuō)明書來(lái)決定是電流或電壓信號(hào),并且需設(shè)置好相應(yīng)的DIP開關(guān)和參數(shù)),通過(guò)zui高和zui低頻率的限定,即與從速度傳感器反饋回來(lái)經(jīng)過(guò)濾的信號(hào)相比后,進(jìn)入PID控制(PID的參數(shù)可在變頻器參數(shù)中整定),再通過(guò)斜率發(fā)生器(包括RAMP ON TIME / RAMP DOWN TIME)后,直接進(jìn)入電流環(huán)控制電機(jī)的輸出。如此就構(gòu)成了變頻器的閉環(huán)控制。
軟啟動(dòng)器型號(hào)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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