追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)系統是包(bao)裝機(ji)的控制核(he)心(xin)，采用正(zheng)反向雙向追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)，進一步提(ti)(ti)高(gao)(gao)了(le)(le)追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)精(jing)度。機(ji)器運(yun)行后(hou)，薄(bo)膜(mo)標記傳感器不(bu)斷的在檢(jian)測薄(bo)膜(mo)標記（色標），同(tong)時(shi)(shi)機(ji)械部分的追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)微動(dong)開關檢(jian)測機(ji)械的位(wei)置，上(shang)述(shu)兩種信號(hao)送至(zhi)PLC，經(jing)程(cheng)序運(yun)算后(hou)，由PLC的輸出Y6（正(zheng)追(zhui)(zhui)）、Y12（反追(zhui)(zhui)）控制追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)電機(ji)的正(zheng)反追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)，對(dui)包(bao)裝材料(liao)在生(sheng)產過(guo)程(cheng)中出現的誤(wu)差及(ji)時(shi)(shi)發(fa)現同(tong)時(shi)(shi)準確(que)的給予補(bu)償和糾正(zheng)，避(bi)免(mian)了(le)(le)包(bao)裝材料(liao)的浪費。檢(jian)測若在追(zhui)(zhui)蹤(zong)(zong)(zong)(zong)預定次數后(hou)仍不(bu)能達到技術要求，可自(zi)(zi)動(dong)停機(ji)待檢(jian)，避(bi)免(mian)廢品的產生(sheng)；由于采用了(le)(le)變頻調(diao)速(su)，大幅減(jian)少了(le)(le)鏈(lian)條傳動(dong)，提(ti)(ti)高(gao)(gao)了(le)(le)機(ji)器運(yun)轉(zhuan)的穩定性和可靠性，降低(di)了(le)(le)機(ji)器運(yun)轉(zhuan)的噪音。保(bao)證了(le)(le)該包(bao)裝機(ji)高(gao)(gao)效、低(di)損耗、自(zi)(zi)動(dong)檢(jian)測等多(duo)功能、全自(zi)(zi)動(dong)的高(gao)(gao)技術水平(ping)。