Bosch 0302463274現(xiàn)貨
先將控制器由STOP位置旋MRES,STOP燈慢閃后將再回到STOP位置,再旋至MRES,STOP燈快閃后,回到RUN位置。 然后下裝硬件組態(tài),下裝過(guò)程中程序會(huì)將控制器置于STOP狀態(tài),正確下裝結(jié)束后會(huì)提示重新激活到RUN狀態(tài)。
3.程序的編寫(xiě):已經(jīng)建立的項(xiàng)目至少包括一個(gè)組織塊(OB1)所有的程序都要在OB1中運(yùn)行,還要建立數(shù)據(jù)塊(DB),用于定義程要用到的中間變量。為了減少OB1中的掃描時(shí)間,好是建立一些功能塊(FC),用于編寫(xiě)具有獨(dú)立功能的子程序,當(dāng)然每個(gè)FC功能塊都必須在OB中運(yùn)行才有效,否則不會(huì)被執(zhí)行。在編寫(xiě)程序的過(guò)程中我們除了I/O點(diǎn)之外,要調(diào)用DB塊中定義的。
3.1DB塊的建立
是在硬件組態(tài)后的畫(huà)面空白處,右鍵選中插入DB塊,為了在FC塊中能夠正確調(diào)用,要給DB塊定義符號(hào)名稱(chēng),比如在這里定義為L(zhǎng)C3201。
以一個(gè)液位測(cè)量回路為例,我們看一下要怎么在DB 塊中定義變量。變送器輸出的4-20MA的量要經(jīng)過(guò)輸入通道映像到程序中,這就是我們接收到的數(shù)據(jù),假如是個(gè)AI通道,那么它的硬件地址就是PIW288,十進(jìn)制數(shù)值范圍0-27648,是一個(gè)WORD型16位的變量,在這里我們終要將其變成一個(gè)實(shí)型變量(REAL),轉(zhuǎn)換的過(guò)程依次是先把WORD轉(zhuǎn)化成INT(16位的整型變量),然后再轉(zhuǎn)換DINT(32位的雙整型變量),再轉(zhuǎn)換為32位的REAL(實(shí)型變
Ametek 2 Stage Tangential Discharge Motor 7.2", 120V, 1400W
Returns: Accepted
AMETEK DIGISTROBE III HANDHELD STROBESCOPE MODEL 1965
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Bosch 0302463274
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Ametek Single Stage Bypass Motor 5.7", 110V, 800W
Returns: Accepted
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New Ametek Sweeper Scrubber Vaccum Motor 3 Stage Fan 36VDC P/N 116513-13
New Ametek Sweeper Scrubber Vaccum Motor 3 Stage Fan 36VDC P/N 116512-13
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Bosch 0302463274
ACCURAY 067455-004 DISPLAY ACCURAY 067455004 MAKE OFFER
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Accuray 67461-002 67461002 PC Board
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INDUSTRIAL NUCLEONICS ACCURAY AD-9-055109-30?269 727622008 55169-30269 PCB CIRCUI
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Actus Power AC Servo Controller NPSA-104MU-IP1 USPP NPSA104MUIP1 Pak 3PH 220V
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Actus Power AC Servo Controller NPSA-102MU-E9B?S USPP NPSA102MUE9BS Pak 3PH 220V
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ACTUS POWER NPSA-2.5-64 NSPP NPSA2564
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Bosch 0302463274