ABB Relion 620 Series - Clearing and Acknowledging

Some parameters have an edit-copy. If editing is cancelled, the values with an edit-copy
are immediately restored to the original value. The values without an edit-copy, such as
string values, are restored to the original value only after a reboot even though the edited
value is not stored in the flash memory.
1.
Press to confirm any changes.
2.
Press to move upwards in the menu tree or to enter the Main Menu.
3.
To save the changes in non-volatile memory, select Yes and press .
A070891 V3 EN
Figure 27: Confirming settings
•
To exit without saving changes, select No and press .
• If the parameter has an edit-copy, the original parameter value is
restored.
• If the parameter does not have an edit-copy, the edited parameter value
remains visible until the protection relay is rebooted. However, the
edited value is not stored in non-volatile memory and the reboot
restores the original value.
•
To cancel saving settings, select Cancel and press
.
After certain parameters are changed, the protection relay has to be
restarted.
4.1.14 Clearing and acknowledging
The Clear button is used to reset, acknowledge or clear all messages and indications,
including LEDs and latched outputs as well as registers and recordings. Press the Clear
Section 4 1MAC456939-IB D
Using the HMI
54 620 series ANSI
Operation Manual