代碼 20070: [Channel %1: ] Axis %2 software limit switch %3
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 [Channel %1: ] Axis %2 software limit switch %3 警報。需要由合格的操作員或維修技師立即處理，以防止在製造週期中對設備造成二次損壞或導致零件報廢。在接觸電氣控制箱之前，請務必確保遵循標準安全和停機掛牌 (LOTO) 程序。
官方故障排除步驟
Parameters: %1 = Channel number %2 = Axis number %3 = "+" or "-" Definitions: The axis is traversed by the PL C as a concurrent positioning axis and the corresponding software limit switch is violated for the axis. No traversing. With an additional message to alarm 20140, the axis is traversed as a command axis. Reaction: Alarm display. Remedy: Please inform the authorized personnel/service departm ent. Specify smaller target position. Modify MD for SW limit switch. Possibly activate another SW limit switch. Retract axis via JOG. Program Continuation: Alarm display showing cause of alarm disapp ears. No further operator action necessary.
Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Siemens SINUMERIK 840D CNC 警報
由 Siemens 製造的工業控制器具有廣泛的診斷系統，用於保護內部電路和機械連桿。當 SINUMERIK 840D CNC 出現類似 20070 的錯誤代碼時，通常表示指令值與實際感測器回饋之間存在不匹配。
完整警報清單: 4014 Siemens SINUMERIK 840D CNC 代碼s.
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