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代码 27012: Axis %1 safe end position exceeded

问题描述与安全警告

Siemens SINUMERIK 840D CNC 触发了严重的 Axis %1 safe end position exceeded 警报。需要由合格的操作员或维修技师立即处理,以防止在制造周期中对设备造成二次损坏或导致零件报废。在接触电气控制箱之前,请务必确保遵循标准安全和停机挂牌 (LOTO) 程序。

官方故障排除步骤

Parameters: %1 = Axis number Definitions: The axis has exceeded the li mit position entered in MD $MA_SAFE_POS_LIMT_PLUS or MD $MA_SAFE_POS_LIMIT_MINUS. Reaction: NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Stop the axis with STOP C,D or E, depending on the configuration in MD $MA_SAFE_POS_STOP_MODE. Remedy: If no obvious operator error occurred: Check the input value of the machine data and check the SGEs: was the correct one of 2 limit positions selected ? If the MDs and SGEs are o.k., check the machine for any damage and rectify it. Program Continuation: Clear alarm with the RESET key. Restart part program Remove the user agreement for this axis. Then press the RESET key causing the program to be aborted and the alarm to be deleted. Traverse the axis in JOG mode to the valid traversing range. After fault correction of the NC program and an axis pos ition check, the user agreement can be set again and the program can be restarted.

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.

关于 Siemens SINUMERIK 840D CNC 警报

由 Siemens 制造的工业控制器具有广泛的诊断系统,用于保护内部电路和机械连杆。当 SINUMERIK 840D CNC 出现类似 27012 的错误代码时,通常表示指令值与实际传感器反馈之间存在不匹配。

完整报警清单: 4014 Siemens SINUMERIK 840D CNC 代码s.

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