Siemens siprotec 7SA6 User Manual page 12

6.17 Thermal Overload Protection........................................................................................... 6-245
6.17.1 Method of Operation ........................................................................................................ 6-245
6.17.2 Applying the Function Parameter Settings ...................................................................... 6-246
6.17.3 Settings............................................................................................................................ 6-248
6.17.4 Information Overview....................................................................................................... 6-248
6.18 Analog Outputs ................................................................................................................ 6-249
6.18.1 Method of Operation ........................................................................................................ 6-249
6.18.2 Applying the Function Parameter Settings ...................................................................... 6-249
6.18.3 Settings............................................................................................................................ 6-252
6.19 Monitoring Functions ....................................................................................................... 6-254
6.19.1 Method of Operation ........................................................................................................ 6-254
6.19.1.1 Hardware Monitoring ....................................................................................................... 6-254
6.19.1.2 Software-Monitoring........................................................................................................ 6-256
6.19.1.3 Monitoring of the External Instrument Transformer Circuits ............................................ 6-256
6.19.1.4 Trip Circuit Supervision.................................................................................................... 6-260
6.19.1.5 Response to Failures....................................................................................................... 6-262
6.19.2 Applying the Function Parameter Settings ...................................................................... 6-264
6.19.3 Settings............................................................................................................................ 6-266
6.19.4 Information Overview....................................................................................................... 6-267
6.20 Function Control .............................................................................................................. 6-269
6.20.1 Detection of Line Energization......................................................................................... 6-269
6.20.2 Processing of the Circuit Breaker Position ...................................................................... 6-270
6.20.3 Overall Fault Detection Logic of the Device..................................................................... 6-273
6.20.4 Overall Tripping Logic of the Device................................................................................ 6-275
6.20.5 Circuit Breaker Trip Test.................................................................................................. 6-281
6.20.6 Applying the Function Parameter Settings ...................................................................... 6-282
6.20.7 Settings............................................................................................................................ 6-282
6.20.8 Information Overview....................................................................................................... 6-283
6.21 Supplementary Functions ................................................................................................ 6-284
6.21.1 Processing of Messages.................................................................................................. 6-284
6.21.2 Operational Measurement ............................................................................................... 6-285
6.21.3 Data Storage for Fault Recording .................................................................................... 6-288
6.21.4 Applying the Function Parameter Settings ...................................................................... 6-288
6.21.5 Settings............................................................................................................................ 6-290
6.21.6 Information Overview....................................................................................................... 6-291
6.22 Processing of Commands............................................................................................... 6-295
6.22.1 Types of commands ........................................................................................................ 6-295
6.22.2 Steps in the Command Sequence ................................................................................... 6-296
6.22.3 Interlocking ...................................................................................................................... 6-297
6.22.3.1 Interlocked/Non-Interlocked Switching ............................................................................ 6-297
6.22.4 Recording and acknowledgement of commands............................................................. 6-300
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7SA6 Manual
C53000-G1176-C133-1