代碼 28001: NCU link connection to the NCU %1 of the link network has been aborted
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 NCU link connection to the NCU %1 of the link network has been aborted 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
Parameters: %1 = NCU number Definitions: All NCUs in the NCU link network exchange data cyclica lly (sign-of-life). If this alarm occurs, sign-oflife signals have not been received from one other NCU on the NCU network. (see alarm parameters) This fault in the link can have various causes: - Defective hardware. - The machine data which configure the NCU link are not identical on all NCUs. - An identical interpolator cycle ti me has not been selected on all NCUs. Reaction: NC not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Remedy: - Check the IPO cycle on all the NCUs. - If necessary, check NCU li nk-specific alarms first. Program Continuation: Switch control OFF - ON. Diagnostics Manual (DAsl), 03/2009
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 28001 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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