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The parameter set cannot be transferred to the device.

The reason for this is that the parameter for the EN100 module has not yet been updated after changing the IEC61850 system interface. To do so, open the “update” property page of the IEC61850 station and update all parameter sets. A transfer to the device now works again.

Terms of I> mean Time delay O/C, and I>> is instantaneous O/C.

problem: 1ph fault but relay give 3ph command in Siemens 7SA522.

Solution: In the matrix, you can raise the signal 1ph trip permitted by AR via one BI. Normally Simense relay giving always a 3ph trip.

Error in Siemens low Impedance busbar protection 7SS52 and alarm on bay units.

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