1、雙向高速計(jì)數(shù)信號(hào)查看
S7-214CPU模塊具有多路高速計(jì)數(shù)輸入查看端口，可靈敏規(guī)劃完結(jié)多路單向、雙向計(jì)數(shù)信號(hào)的查看。在旋挖鉆機(jī)上運(yùn)用其雙向高速計(jì)數(shù)功用完結(jié)了上車反轉(zhuǎn)視點(diǎn)查看、鉆頭鉆孔深度查看。
旋挖鉆機(jī)上車有些為液壓驅(qū)動(dòng)的獨(dú)立旋轉(zhuǎn)組織。在規(guī)劃中選用旋轉(zhuǎn)編碼器查看其滾動(dòng)視點(diǎn)，經(jīng)過(guò)對(duì)編碼器A、B兩路脈沖信號(hào)的查看，PLC的雙向高速計(jì)數(shù)輸入端可精確計(jì)算出旋挖鉆機(jī)上車的相對(duì)視點(diǎn)（0-360O）改動(dòng)值。
一同PLC的復(fù)位信號(hào)輸入端查看編碼器的C信任號(hào)，在上車每次反轉(zhuǎn)至編碼器的一固定方位時(shí)將高速計(jì)數(shù)器內(nèi)變量清零，可消除各種因素形成的計(jì)數(shù)差錯(cuò)，保證計(jì)數(shù)的精確性。
鉆頭鉆孔深度查看的原理與上車反轉(zhuǎn)視點(diǎn)查看根本相同，但復(fù)位信號(hào)選用按鈕輸入，由操作人員依據(jù)狀況校準(zhǔn)鉆頭深度零位值。在查看運(yùn)算上鉤數(shù)值為鉆頭深度改動(dòng)值。
2、左右操控手柄多路按鈕信號(hào)的查看
旋挖鉆機(jī)的操控首要經(jīng)過(guò)駕馭座椅左右兩個(gè)操控手柄的多個(gè)按鈕操控完結(jié)，經(jīng)過(guò)對(duì)PLC的指令編程，可變換完結(jié)按鈕信號(hào)的上升沿、降低沿、延時(shí)操控等多種邏輯功用。
3、外部傳感信號(hào)的查看
西門子S7-200系列PLC輸入信號(hào)查看選用光耦隔絕電流信號(hào)查看，可隔絕輸入信號(hào)線上因各種因素導(dǎo)致的非正常電氣信號(hào)，電流信號(hào)查看方法可有用防止外部強(qiáng)攪擾對(duì)正常信號(hào)的查看。一同各輸入端輸入信號(hào)的濾波時(shí)刻可依據(jù)需求別離設(shè)置。

廈門興銳達(dá)自動(dòng)化設(shè)備有限公司

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