7SR105 Rho Description Of Operation
©2018 Siemens Protection Devices Chapter 1 Page 3 of 57
Section 5: Control and Logic Functions ............................................................................................................. 44
5.1 Motor Start/Stop .............................................................................................................................. 44
Emergency Start .............................................................................................................................. 45
5.2 User Logic ....................................................................................................................................... 47
5.2.1 Quick Logic ........................................................................................................................ 47
Section 6: Other Features ................................................................................................................................ 49
6.1 Data Communications ...................................................................................................................... 49
6.1.1 Communication Ports ......................................................................................................... 49
6.2 CB Maintenance .............................................................................................................................. 52
6.2.1 Output Matrix Test .............................................................................................................. 52
6.2.2 CB Counters ...................................................................................................................... 52
6.2.3 I
2
t CB Wear ........................................................................................................................ 52
6.3 Data Storage ................................................................................................................................... 53
6.3.1 General .............................................................................................................................. 53
6.3.2 Demand ............................................................................................................................. 53
6.3.3 Event Records ................................................................................................................... 53
6.3.4 Waveform Records............................................................................................................. 53
6.3.5 Fault Records..................................................................................................................... 54
6.3.6 Disk Activity Warning .......................................................................................................... 54
6.4 Metering .......................................................................................................................................... 54
6.5 Operating Mode ............................................................................................................................... 55
6.6 Control Mode ................................................................................................................................... 55
6.7 Real Time Clock .............................................................................................................................. 56
6.7.1 Time Synchronisation – Data Communication Interface ....................................................... 56
6.7.2 Time Synchronisation – Binary Input ................................................................................... 56
6.8 Settings Groups ............................................................................................................................... 56
6.9 Password Feature............................................................................................................................ 56