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代碼 201651: <location>SI CU: Synchronization safety time slices unsuccessful

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>SI CU: Synchronization safety time slices unsuccessful 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

Message value: %1 Drive object: A_INF, B_INF, CU_LINK, S_INF, SERVO, TM41, TM54F_MA, TM54F_SL, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY (POWER ON) SINAMICS-Alarms Diagnostics Manual (DAsl), 03/2009 Cause: The "Safety Integrated" function requires a synchroni zation of the safety time slices between the Control Unit (CU) and Motor Module (MM) and between the Control Unit and the higher-level control. This synchronization routine was unsuccessful. Note: This fault results in a STOP A that cannot be acknowledged. Fault value (r0949, interpret decimal): 150: Fault in the synchronization to the PROFIBUS master. All other values: Only for in ternal Siemens troubleshooting. See also: p9510 (SI Motion clock-cycle synchronous PROFIBUS master) Remedy: Re fault value = 150: - check the setting of p9510 (SI Motion clock-cycle synchronous PROFIBUS master) and if required, correct. General: - carry out a POWER ON (power off/on) for all components. - upgrade the Motor Module software. - upgrade the Control Unit software. - upgrade the software of the higher-level control. Note: CU: Control Unit MM: Motor Module SI: Safety Integrated

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 201651 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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