代码 207491: <location>EPOS: STOP cam minus reached
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 <location>EPOS: STOP cam minus reached 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
Message value: Drive object: SERVO, VECTOR Reaction: OFF3 Acknowledge: IMMEDIATELY Cause: A zero signal was detected at binector input BI: p2569, i.e. the STOP cam minus was reached. For a positive traversing direction, the STOP ca m minus was reached - i.e. the wiring of the STOP cam is incorrect. See also: p2569 (EPOS STOP cam minus) Remedy: - leave the STOP cam minus in the positive traversing direction and return the axis to the valid traversing range. - check the wiring of the STOP cam.
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 207491 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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