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代碼 207989: <location>Drive: Rotating measurement leakage inductance (q-axis)

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>Drive: Rotating measurement leakage inductance (q-axis) 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: VECTOR Reaction: OFF1 (NONE, OFF2) Acknowledge: IMMEDIATELY Cause: An error has occurred while measur ing the dynamic leakage inductance. Fault value (r0949, interpret decimal): 1: The speed did not reach a steady-state condition. 2: The speed setpoint was not able to be approached as the minimum limiting is active. 3: The speed setpoint was not able to be approached as the suppression (skip) bandwidth is active. 4: The speed setpoint was not able to be appr oached as the maximum limiting is active. 5: The 100% flux setpoint was not reached. 6: No Lq measurement possible bec ause field weakening is active. 7: Speed actual value exceeds the maximum speed p1082 or 75% of the rated motor speed. 8: Speed actual value is below 2 % of the rated motor speed. Remedy: Re fault value = 1: - check the motor parameters. - carry out a motor data identification routine (p1910). - if required, reduce the dynamic factor (p1967 < 25 %). Re fault value = 2: - adapt the speed setpoint (p1965) or adapt the minimum limit (p1080). Re fault value = 3: - adapt the speed setpoint (p1965) or suppre ssion (skip) bandwidths (p1091... p1094, p1101). Re fault value = 4: - adapt the speed setpoint (p1965) or maximum limit (p1082, p1083 and p1086). Re fault value = 5: - flux setpoint p1570 = 100% and current setpoint p1610 = 0% kept during the Lq measurement. Re fault value = 6: - reduce the regenerative load so that the drive do es not reach field weak ening when accelerating. - reduce p1965 so that the q leakage induc tance is recorded at lower speeds. Re fault value = 7: - increase p1082 if this is technically permissible. - reduce p1965 so that the q leakage induc tance is recorded at lower speeds. Re fault value = 8: - reduce the load when motoring so that the drive is not braked. - increase p1965 so that the measurem ent is possibly done at higher speeds. Note: The measurement of the q leakage inductance can be disabled using p1959.5. If only p1959.5 is set, then only this measurement is carried out if p1960 is set to 1, 2 and the drive is powered up. See also: p1959

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 207989 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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