Ied Settings For Ied Functionality; Ied Settings For Different Operating Conditions - ABB Relion 650 Series Operation Manual

1MRK 500 093-UUS A
Setting parameters need to be calculated according to the electrical network conditions and the
electrical characteristics of the protected equipment. The IED's settings need to be verified before
the IED is connected to a system.
A mechanism for limiting the number of writings per time period is included in the IED to prevent
the flash memory to be worn out due to too many writings. As a consequence it may take up to an
hour to save changes. If the auxiliary power is interrupted before a change is saved, that change is
lost.
6.3.1

IED settings for IED functionality

Function settings can be edited one by one by navigating to the individual setting values, for
example via the LHMI. The values in other setting groups should be known before editing a certain
setting value.
After completing the editing of setting group values, the new values are activated. The user can
either commit the edited values or discard them.
6.3.2

IED settings for different operating conditions

IED settings can be designed for various operation conditions by defining different setting values
to different setting groups. The active setting group can be changed by the IED application or
manually via the LHMI or PCM600.
650 series
Operation manual
Document all changes to parameter settings.
For more information, see PCM600 documentation.
Do not switch off the auxiliary power supply to the IED before changes, for
example, setting parameter or local/remote control state changes are saved.
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Section 6
IED operation
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