7SR105 Rho Description of Operation
©2018 Siemens Protection Devices Chapter 1 Page 57 of 57
The Settings Password prevents unauthorised changes to settings from the front fascia or over the data
communications channel(s). The Control Password prevents unauthorised operation of controls in the relay
Control Menu from the front fascia.
The password validation screen also displays a numerical code. If the password is lost or forgotten, this code
should be communicated to Siemens Limited and the password can be retrieved.
NOTE:
The default control password is "AAAA". It is recommended to change the default password after the final
configuration.
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