330180-50-05
330180-50-05
[關(guān)鍵詞] 現(xiàn)場總線;以太網(wǎng)通信;DCS;電氣控制系統(tǒng) ;PLC; 機(jī)電控制系統(tǒng);監(jiān)測控制系統(tǒng)
關(guān)鍵詞:PLC可編程控制系統(tǒng),分散控制系統(tǒng)(DCS)安全儀表系統(tǒng)(SIS),ESD系統(tǒng),振動監(jiān)測系統(tǒng),汽輪機(jī)控制 壓縮機(jī)組控制系統(tǒng)(CCS)等各類工控系統(tǒng)部件
+1 7 7 8 6 0 3 2 5 1 6 微號 扣扣+2 1 7 7 4 9 6 9 4 6
·掃描結(jié)束狀態(tài)的狀態(tài)監(jiān)控。在執(zhí)行狀態(tài)時執(zhí)行菜單命令“調(diào)試”→“使用執(zhí)行狀態(tài)”,菜單中該命令行前面的“√”號消失,進(jìn)入掃描結(jié)束狀態(tài)。
掃描結(jié)束狀態(tài)顯示在程序掃描結(jié)束時讀取的狀態(tài)結(jié)果。這些結(jié)果可能不會反映PLC數(shù)據(jù)地址的所有數(shù)值變化,因為隨后的程序指令在程序掃描結(jié)束之前可能會寫入和重新寫入數(shù)值。由于快速的PLC掃描周期和相對慢速的PLC狀態(tài)數(shù)據(jù)通信之間存在的速度差別,掃描結(jié)束狀態(tài)顯示的是幾個掃描周期結(jié)束時采集的數(shù)據(jù)值。
只有在RUN模式時才會顯示觸點和線圈中的顏色塊,以區(qū)別RUN和STOP模式。
對強(qiáng)制的處理與執(zhí)行狀態(tài)基本上相同,強(qiáng)制和取消強(qiáng)制功能不能用于V、M、AI和AQ的位。在PLC處于RUN和STOP模式時都會顯示強(qiáng)制狀態(tài)。只有在“調(diào)試”菜單中選中了“STOP(停止)模式下寫入一強(qiáng)制輸出”(該項的左邊出現(xiàn)“√”號),才能在STOP模式執(zhí)行對輸出Q和AQ的寫操作。
②語句表程序的程序狀態(tài)監(jiān)控。啟動語句表和梯形圖的程序狀態(tài)監(jiān)控功能的方法wq相同。
用菜單命令“工具”→“選項”打開“選項”窗口,選擇“程序編輯器”中的“STL狀態(tài)監(jiān)控”選項(見圖5-8),可以選擇語句表程序狀態(tài)監(jiān)控的內(nèi)容,每條指令最多可以監(jiān)控17個操作數(shù)、邏輯堆棧中4個當(dāng)前值和1個指令狀態(tài)位。
狀態(tài)信息從位于編輯窗口頂端的{dy}條STL語句開始顯示。向下滾動編輯窗口時,將從CPU中獲取新的信息。
關(guān)鍵詞:PLC可編程控制系統(tǒng),分散控制系統(tǒng)(DCS)安全儀表系統(tǒng)(SIS),ESD系統(tǒng),振動監(jiān)測系統(tǒng),汽輪機(jī)控制 壓縮機(jī)組控制系統(tǒng)(CCS)等各類工控系統(tǒng)部件
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Ortlinghaus 0085-669-04-020000
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