代碼 201688: <location>SI Motion CU: Actual value synchronization not permissible
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>SI Motion CU: Actual value synchronization not permissible 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: Drive object: SERVO, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY (POWER ON) SINAMICS-Alarms Cause: It is not permissible to simultaneously enable the ac tual value synchronization and a monitoring function with absolute re ference (SCA/SLP). Note: This fault results in a STOP A that cannot be acknowledged. Remedy: Either de-select the function "actual value synchr onization" or the monitori ng functions with absolute reference (SCA/SLP) and carry out a POWER ON. Note: SCA: Safe Cam / SN: Safe software cam SI: Safety Integrated SLP: Safely-Limited Position / SE: Safe software limit switches See also: p9501 (SI Motion enable safety functions (Control Unit))
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 201688 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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