诊断发现buffer中有：STOP caused by execution system, cause: too many interrupts for the task TechnologicalFaultTask而导致停止。且有很多Fault in the drive on the log. address E416, fault message: 7930，416为机床的X4轴报文地址，不知道为何发生，求高人解答，谢谢！
问题补充：
由于无法上传log附件，我再补充一下，抱闸配置为：motor holding brake acc. to sequence control. 照道理来说是使能之后抱闸一直是打开状态的。每次7930报警之前都有Axis_X4: Alarm Error 20005 : Device type:1, log. address:416 faulted. (Bit:0, encoder number:0, reason: 0x1h)报警，这个报警到底是什么意义呢？如何避免这个报警呢？谢谢！
最佳答案
fault message: 7930
x轴驱动器报警号：
F07930 Drive: Brake control error
Cause: The Control Unit has detected a brake control error.
– no motor holding brake connected.
– motor holding brake incorrectly parameterized (p1278).
– the motor holding brake control on the Motor Module is faulty.
– a DRIVE-CLiQ communications error has occurred between the Control Unit and the Motor Module involved.
Fault value (r0949, interpret decimal):
10: No brake connected or fault in the Motor Module brake control circuit ("open brake" operation).
11: Defect in the brake control circuit of the Motor Module ("brake open" operation).
20: Short-circuit in the brake winding or fault in the brake control circuit of the Motor Module ("brake open" state).
30: No brake connected, short-circuit in the brake winding or fault in the Motor Module brake control circuit ("close
brake" operation).
31: Defect in the brake control circuit of the Motor Module ("close brake" operation).
40: Defect in the brake control circuit of the Motor Module ("brake closed" state).
50: Defect in the brake control circuit of the Motor Module or communications fault between the Control Unit and the
Motor Module (brake control diagnostics).
– check the parameterization of the motor holding brake (p1278).
– check the function of the motor holding brake.
– check whether there is a DRIVE-CLiQ communications error between the Control Unit and the Motor Module
involved and if required, carry out a diagnostics routine for the faults identified.
– check the electrical cabinet design and cable routing for EMC compliance
– replace the Motor Module involved.
– operation with Safe Brake Module: Check the connection of the Safe Brake Module.
– operation with Safe Brake Module: Replace the Safe Brake Module.
See also: p1215 (Motor holding brake configuration), p1278 (Brake control, diagnostics evaluation)
提问者对于答案的评价：
没其他人回答，不知道你能不能再补充点~
专家置评
7930：是爆闸控制信号检测有问题，一般是由于电磁干扰导致的，请检查系统的接地，电缆布线情况，以及抱闸控制信号线是否老旧破损。
另外20005的报警，一般是由于对应的S120驱动轴侧有报警导致的。
原创文章，作者：more0621，如若转载，请注明出处：https://www.zhaoplc.com/plc137432.html
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