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代碼 207220: <location>Drive: Master control by PLC missing

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>Drive: Master control by PLC missing 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: A_INF, B_INF, S_INF, SERVO, VECTOR Reaction: A_INFEED: OFF1 (NONE, OFF2) SERVO: OFF1 (NONE, OFF2, OFF3, STOP1, STOP2) VECTOR: OFF1 (NONE, OFF2, OFF3, STOP1, STOP2) Acknowledge: IMMEDIATELY Cause: The "master control by PLC" si gnal was missing in operation. - interconnection of the binector input for "mas ter control by PLC" is incorrect (p0854). - the higher-level control has withdraw n the "master control by PLC" signal. - data transfer via the fieldbus (master/drive) was interrupted. Remedy: - check the interconnection of the binector i nput for "master control by PLC" (p0854). - check the "master control by PLC" signal and, if required, switch in. - check the data transfer via the fieldbus (master/drive). Note: If the drive should continue to operate after withdr awing "master control by PLC" then fault response must be parameterized to NONE or the message type should be parameterized as alarm.

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 207220 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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