KTM P4-75-D600-PTFE

KTM P4-75-D600-PTFE

KTM P4-75-D600-PTFE

KTM P4-75-D600-PTFE 深度不準(zhǔn)，在大鉤上下運(yùn)行時(shí)，同樣的距離測(cè)的絞車脈沖不一樣，顯示下行或上行速度不一致，甚至出現(xiàn)深度有跳變現(xiàn)象。
1) 首先判斷軟件方面：查看絞車傳感器的基本數(shù)據(jù)，即大鉤高度參數(shù)：滾筒直徑、層圈數(shù)、層數(shù)、大繩股數(shù)、終圈數(shù)、大繩直徑等是否與實(shí)際相符，如不相符將會(huì)造成深度誤差。故障排除：將大鉤高度參數(shù)按實(shí)際設(shè)置。如果軟件設(shè)置沒(méi)有問(wèn)題再判斷硬件方面。
2) 接口方面：假如大鉤上行、下行都能采集到數(shù)據(jù)，一般模塊沒(méi)有問(wèn)題；如果其間曾經(jīng)更換或設(shè)置過(guò)模塊，可能模塊設(shè)置錯(cuò)誤：
⑴采集速率不對(duì)
⑵脈沖脈寬、峰高設(shè)置不恰當(dāng)
⑶模塊阻抗不匹配都會(huì)產(chǎn)生丟失脈沖現(xiàn)象。
故障排除：⑴設(shè)置模塊采集速率；
⑵重新設(shè)置脈寬和峰高（一般高電平為2.4V低電平為0.8V）；⑶更換采集模塊。
3) 傳感器方面：
故障判斷：絞車傳感器有問(wèn)題
⑴線路有虛接或短路現(xiàn)象
⑵傳感器感應(yīng)體臟污使感應(yīng)信號(hào)紊亂。
故障排除：
⑴檢查線路接頭，確保接觸良好，有時(shí)鉆井隊(duì)打掃衛(wèi)生會(huì)使線路接頭進(jìn)水而產(chǎn)生弱短路，可用萬(wàn)用表測(cè)量供電電壓是否是+5V；
⑵拆卸傳感器，清除內(nèi)部鐵銹和臟污；
⑶更換絞車傳感器。
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