Password Forgotten
By pressing the »Ack/Rst« key during a cold restart a reset dialog is launched. It allows for
resetting all passwords to the default »1234«. See ╚═▷ “Reset to Factory Defaults, Reset
All Passwords” for details.
General Considerations
You have to ensure that the access authorizations are protected by secure passwords.
These passwords have to be kept as a secret and to be known only by the authorized
persons. The default password “1234” does not provide any security against
unauthorized access.
A lock symbol in the upper right corner of the display indicates if there are any access
authorizations active at the moment . That means, within the mode “Read Only-Lv0” a
closed (locked) lock symbol will be shown in the upper right corner of the display. As soon
as there are any access authorizations active (above the “Read Only-Lv0” level), the
upper right corner of the display will show an unlocked (open) lock symbol.
During setting parameters the »Ack/Rst« key can be used for canceling the parameter
changes. Because of that it is not possible to acknowledge (LEDs, Output Relays...) as
long as there are non-saved (cached only) parameters.
The acknowledgment menu cannot be accessed as long as the parameter modications
are not taken over by the device (indicated by a star symbol in the upper left corner).
Existing passwords are persistent (assigned to a device). If an oine created parameter
le is transmitted into a device, or if a parameter le is transmitted from one device to
another, this will have no impact on existing passwords within the device.
1.4.1.2 Passwords – Areas
The access authorizations are designed in form of two hierarchic strands.
The supervisor (administrator) password provides access to all parameters and settings.
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1 EMR‑3MP0 Motor Protection Relay
1.4 Security
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