1326-CB-CPB1-150現(xiàn)貨
本公司專業(yè)銷售大型進口各種品牌DCS系統(tǒng)模塊備件:主營產(chǎn)品:DCS集散式控制系統(tǒng)、PLC可編程控制。
主要業(yè)務(wù): ABB DCS卡件Ovation系統(tǒng)模塊Foxboro系統(tǒng)卡件Triconex系統(tǒng)模塊
Rexroth力士樂全系列產(chǎn)品Modicon停產(chǎn)模塊 等各類工控產(chǎn)品施耐德140系列CPU,PLC
西門子6DD,6FX,6SC,6FC,6S5系列AB1746,1756,1747,1785系列PLC
GE 通用電氣 發(fā)那科
5. 生成電機的FB
電機的FB包括以下邏輯功能:
(1) 啟動和停止輸入。
(2) 允許設(shè)備操作的一系列互鎖(泵和攪拌電機)?;ユi狀態(tài)存儲在OB1的臨時局域數(shù)據(jù)(L堆棧)中(“Motor_enable”和“Valve_enable”),并且當(dāng)電機的FB被處理時與啟動和停止的輸入進行邏輯組合。
(3) 來自設(shè)備的反饋必須在一個特定的時間內(nèi)出現(xiàn),否則就假定有故障或錯誤出現(xiàn),并使電機停止。
(4) 時間點和響應(yīng)時間或錯誤故障循環(huán)持續(xù)時間都必須被指定。
(5) 如果啟動按鈕被按下并且電機被使能,則設(shè)備自行接通并運行直至按下停機按鈕。
(6) 當(dāng)設(shè)備接通時,一個定時器啟動運行,如果在定時器的時間到達(dá)之前未接到來自設(shè)備的響應(yīng)信號,則停機。
在STEP 7中,每一個被不同的塊調(diào)用的塊一定要在調(diào)用它的塊之前生成,因此在樣板程序中必須在OBl之前先生成電機的FB。STL編程語言的FBl程序部分如下:
Network l 啟動停止和鎖存
A(
O #Start
O #Motor
)
AN #Stop
= #Motor
Network 2 啟動監(jiān)控
A #Motor
L #Response_Time
SD #Timer No
AN #Motor
R #Timer No
L #Timer No
T #Timer bin
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ADEPT TECH 10330-00400 NSPP 1033000400
1326-CB-CPB1-150
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1326-CB-CPB1-150
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1326-CB-CPB1-150
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