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jint20130103
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樓主  發(fā)表于: 2014-10-13 15:00
        本人初學(xué)PLC 用wincc flexible 2008 SP4軟件做了一個(gè)畫(huà)面,用PC機與300PLC通訊,實(shí)現畫(huà)面數據顯示。
用300通訊電纜PPI之間連接PC 機,在設置PC/PG選項卡選擇PC Adapter(Auto)    在屬性一欄下 選擇USB后,連接PLC,遇到下面幾個(gè)問(wèn)題:
1、畫(huà)面有數據了,但是不實(shí)時(shí)更新,需要人為在刷新下當前畫(huà)面后,數據才會(huì )變化一下,我想請問(wèn)這個(gè)是什么原因,wincc flexible 2008 軟件里設置周期為100ms。
2、如果我想直接將PC顯示器作為上位機,那么300PLC之間和PC的數據通訊最好用什么呢?300PLC 的CPU CP315 -2DP 。   剛才查了下資料,如果要用DP直接與計算機通訊的話(huà)是要增加一塊網(wǎng)卡CP5611或者CP 5613,如果我不選擇用這種通訊方式呢?還有別的解決辦法嗎 ?
3、如果要多站點(diǎn)連接,那么是否只能用DP 連接呢?
[ 此帖被jint20130103在2014-10-13 15:43重新編輯 ]
taotaoba
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1樓  發(fā)表于: 2014-10-16 14:06
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