代碼 201751: <location>SI Motion CU: eff.test error safe encoder
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>SI Motion CU: eff.test error safe encoder 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: SERVO, VECTOR Reaction: NONE Acknowledge: IMMEDIATELY (POWER ON) Cause: The DQ encoder used for the safety-relevant motion monitoring functions signal s an effectiveness test error. Message value (r9749, interpret decimal): 1 - TFD bit in EncoderStatusWord2 set in last effectiveness test set 2 - Actual effectiveness test no. in last ef fectiveness test set smaller/greater than expected 3 - IG1/IG2 bits in EncoderStatusWord2 in la st effectiveness test set longer than expected 4 - F1/F2 bits in EncoderStatusWord2 in last effectiveness test set not dynamized 5 - Effectiveness tests performed too frequently 6 - LS1/LS2 were not frozen during effectiveness test 7 - Effectiveness tests performed too rarely or not at all Remedy: - check the encoder connection. - replace the encoder. This message can be acknowledged as follows: - motion monitoring functions integrated in the driv e: Via Terminal Module 54F (TM54F) or PROFIsafe - motion monitoring functions with SINU MERIK: Via the machine control panel.
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 201751 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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