Changing a password in LHMI - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - Operation Manual - REX615 Protection and control - Relion 615 series - PCL2 - IEC - ANSI - 01.04.2026

REX615 Operation Manual

Local override needs to be disabled to change a password in LHMI.

  1. Press for manual logout.
  2. Select "Change password" and press to select option.
    Figure 1. Selecting change password

  3. Input the new password when prompted with keymap.
    Figure 2. Entering a new password

  4. Press to confirm inputted password and activate change.

To cancel the procedure, press .

To remove one character from left side of the cursor, press .