代码 A01691: SLS signal inconsistency
问题描述与安全警告
Siemens SINAMICS G120 CU240S Drive 触发了严重的 SLS signal inconsistency 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
Reaction: NONE Acknowledge: NONE Cause: Problem with the consistency of the safety input signals. The drive reduces the frequency according to the settings of the SS1. When zero frequency is reached, the passivated STO is entered and a drive fault is issued. Remedy: Check consistency of safety input signals and acknowledge the following safe torque off due to a drive fault.
Source: SINAMICS G120 Control Units CU240S Faults and Alarms (Edition 05/2007)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Siemens SINAMICS G120 CU240S Drive 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 SINAMICS G120 CU240S Drive 出现类似 A01691 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。
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