ABB RELION REX640 - Managing forgotten password; Logging out

Figure 14: Local HMI error message
4.1.1 Managing forgotten password
If the ADMINISTRATOR password is lost and there is no user account available to be
used for logging in to the protection relay, a one-time password can be generated.
1. Connect a computer to the HMI port of the protection relay.
2. Open a Web browser and go to https://192.168.0.254/OTP.html . (Note that
default HMI port's IP address is used in this instruction, check e.g. from PCM600
project if it has been changed.)
3. Forward the displayed OTP related information to ABB's technical customer
support to receive a one-time password.
4. Reset the ADMINISTRATOR password.
a) Open https://192.168.0.254/OTP.html . (Note that default HMI port's IP
address is used in this instruction, check e.g. from PCM600 project if it
has been changed.)
b) Type the ADMINISTRATOR username with capital letters.
c) Type the one-time password.
d) Click Reset.
Once the OTP is used to reset the protections relays' user
accounts (that is, the user accounts are reverted to factory
defaults), the previous Local User Account Management/CAM
configuration is lost and needs to be reconfigured from the
Account Management Tool in PCM600.
4.2 Logging out
1. Tap the username on the menu bar.
1MRS759118 D
Using HMI
REX640
Operation Manual
33