1、雙向高速計數(shù)信號查看
S7-214CPU模塊具有多路高速計數(shù)輸入查看端口，可靈敏規(guī)劃完結多路單向、雙向計數(shù)信號的查看。在旋挖鉆機上運用其雙向高速計數(shù)功用完結了上車反轉視點查看、鉆頭鉆孔深度查看。
旋挖鉆機上車有些為液壓驅動的獨立旋轉組織。在規(guī)劃中選用旋轉編碼器查看其滾動視點，經過對編碼器A、B兩路脈沖信號的查看，PLC的雙向高速計數(shù)輸入端可精確計算出旋挖鉆機上車的相對視點（0-360O）改動值。
一同PLC的復位信號輸入端查看編碼器的C信任號，在上車每次反轉至編碼器的一固定方位時將高速計數(shù)器內變量清零，可消除各種因素形成的計數(shù)差錯，保證計數(shù)的精確性。
鉆頭鉆孔深度查看的原理與上車反轉視點查看根本相同，但復位信號選用按鈕輸入，由操作人員依據(jù)狀況校準鉆頭深度零位值。在查看運算上鉤數(shù)值為鉆頭深度改動值。
2、左右操控手柄多路按鈕信號的查看
旋挖鉆機的操控首要經過駕馭座椅左右兩個操控手柄的多個按鈕操控完結，經過對PLC的指令編程，可變換完結按鈕信號的上升沿、降低沿、延時操控等多種邏輯功用。
3、外部傳感信號的查看
西門子S7-200系列PLC輸入信號查看選用光耦隔絕電流信號查看，可隔絕輸入信號線上因各種因素導致的非正常電氣信號，電流信號查看方法可有用防止外部強攪擾對正常信號的查看。一同各輸入端輸入信號的濾波時刻可依據(jù)需求別離設置。

廈門興銳達自動化設備有限公司

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